Hioki CM4001 User manual
May 2020 Edition 1
CM4001A961-00 20-05H
AC LEAKAGE
CLAMP METER
Instruction Manual
CM4001
EN
Warranty
Warranty malfunctions occurring under conditions of normal
use in conformity with the Instruction Manual and Product
Precautionary Markings will be repaired free of charge. This
warranty is valid for a period of three (3) years from the date
of purchase. Please contact the distributor from which you
purchased the product for further information on warranty
provisions.
Introduction
Thank you for choosing the Hioki CM4001 AC Leakage
Clamp Meter. To ensure your ability to get the most out of
this instrument over the long term, please read this manual
carefully and keep it available for future reference.
Familiarize yourself with the separate document entitled
“Operating Precautions” before using the instrument.
Overview
The instrument is an AC leakage clamp meter capable of true
RMS value measurement of current ranging from 0.60 mA to
a comparator function to facilitate instantaneous pass/fail
judgments.
Intended audience
This manual has been written for use by individuals who
use the product or provide information about how to use the
product.
In explaining how to use the product, it assumes electrical
knowledge (equivalent of the knowledge possessed by a
graduate of an electrical program at a technical high school).
Notations
In this document, the severity levels of risk and hazard are
DANGER
Indicates an imminently hazardous situation
that will result in death of or serious injury to the
operator.
WARNING
Indicates a potentially hazardous situation that
may result in death of or serious injury to the
operator.
CAUTION
Indicates a potentially hazardous situation
that may result in minor or moderate injury to
the operator or damage to the instrument or
malfunction.
Indicates an action that must not be performed.
Indicates an action that must be performed.
Indicates the need for caution or the presence
of danger. For more information about locations
where this symbol appears on instrument
components, see the “Usage Notes” section,
warning messages listed at the beginning of
operating instructions, and accompanying the
document entitled “Operating Precautions”.
Indicates that the instrument may be connected to
or disconnected from a live conductor.
[ ] The names of user interface elements on the
screen are enclosed in brackets ([ ]).
Bold Operation keys are printed in bold.
The instrument screen displays the alphanumeric characters
as follows.
1 2 3 4 5 6 7 8 9 0
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
1 2 3 4 5 6 7 8 9 0
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Usage Notes
CAUTION
• Avoid dropping or jarring the instrument which could
• Do not place any foreign object between the jaws or
insert any foreign object into the gap of the sensor
head. Doing so may worsen the performance of the
sensor or the opening-closing operation of the sensor
head.
•
potential even when no voltage is applied. This, however, is
not a malfunction.
•
characteristics than the 60 A and above ranges. As a result,
instrument.
•
accessories, options, battery, and other equipment in use.
Specications
Operating
environment
Indoors, Pollution Degree 2, altitude up to
2000 m (6562 ft.)
Operating
temperature and
humidity range
Humidity:
(non-condensing)
Storage
temperature and
humidity range
Standards Safety EN 61010
EMC EN 61326
Power supply LR03 alkaline battery × 1
Rated power voltage: 1.5 VDC
Maximum rated power: 450 mVA
voltage 1.5 V, ACA measurement, LCD
Continuous
operating time
• Approx. 32 hours (without Z3210)
• Approx. 16 hours (with Z3210, wireless
communication)
•
Dimensions Approx. 37W × 160H × 27D mm
(1.46”W × 6.3”H × 1.06”D)
(excluding the protruding parts, operation
grip, and jaw)
Jaw dimensions
Jaw cross-sectional
minimum dimension
Maximum measurable
φ24 mm
conductor diameter
Mass Approx. 115 g (4.1 oz.)
Product warranty
period
3 years
(number of jaw open/close cycles: 10000)
Accessories LR03 Alkaline battery × 1, Carrying case,
Instruction Manual, Operating Precautions
Option Z3210 Wireless Adapter
Option is subject to change. Check Hioki’s
website for the latest information.
Measurement items AC Current ( A), Frequency (Hz)
Maximum rated
terminal-to-ground
voltage
300 V AC (Measurement Category III)
Anticipated transient overvoltage: 4000 V
Measurement method
True RMS value measurement
Display update rate Measured value:
frequency)
1 time to 2 times/sec. (frequency)
(does not include range change time)
Zero-display range 5 counts or less
Crest factor For the 60.00 mA range/ 600.0 mA range/
6.000 A range/ 60.00 A range/600.0 A range
4.5 (4000 counts or less)
3 (more than 4000 counts, 6000 counts or less)
Maximum input
current
As per frequency derating (within 5 min.)
Accuracy Specications
rdg.: The value currently being measured and indicated on the measuring instrument.
Accuracy guarantee
conditions
Accuracy guarantee period: 1 year
Accuracy guarantee period after adjustment made by Hioki: 1 year
Accuracy guarantee temperature and humidity range:
Number of jaw open/close cycles: 10000 or less
Accuracy guarantee
input conditions
Sine wave input
Eect of external
magnetic eld
Max. 7.0 mA (6.000 A range and below)
Max. 4.0 A (60.00 A range and above)
Eects of conductor
position
(At any positions, based on the center of sensor)
Temperature
coecient
AC current RMS value measurement (ACA/ACA MAX/ACA MIN/ACA AVG)
Range
(Display range)
Resolution
(Accuracy
guarantee range)
Accuracy
guarantee
frequency range
Measurement accuracy
Filter o Filter on
60.00 mA
(0.00 mA to 60.00 mA)
0.01 mA
(0.60 mA rms to
60.00 mA rms)
–
600.0 mA
(0.0 mA to 600.0 mA)
0.1 mA
(6.0 mA rms to
600.0 mA rms)
–
6.000 A
(0.000 A to 6.000 A)
0.001 A
(0.060 A rms to
6.000 A rms)
–
60.00 A
(0.00 A to 60.00 A)
0.01 A
(0.60 A rms to
60.00 A rms)
–
600.0 A
(0.0 A to 600.0 A)
0.1 A
(6.0 A rms to
600.0 A rms)
–
AC current peak measurement (ACA PEAK MAX/ACA PEAK MIN)
Range
(Display range)
Resolution
(Accuracy
guarantee range)
Accuracy
guarantee
frequency range
Measurement accuracy
Filter o Filter on
60.00 mA
(0.0 mA to
0.1 mA
–
600.0 mA
(0 mA to
1 mA
–
6.000 A
(0.00 A to
0.01 A
–
60.00 A
(0.0 A to
0.1 A
–
600.0 A
1 A
–
AC inrush current measurement (ACA INRUSH)
Range
(Display range)
Resolution
(Accuracy
guarantee range)
Accuracy
guarantee
frequency range
Trigger
threshold
value (PEAK
value)
Measurement
accuracy
Filter o
600.0 mA
(0.0 mA to
600.0 mA)
0.1 mA
(60.0 mA rms to
600.0 mA rms)
+60.0 mA or more
or
6.000 A
(0.000 A to
6.000 A)
0.001 A
(0.600 A rms to
6.000 A rms)
+0.600 A or more
or
60.00 A
(0.00 A to
60.00 A)
0.01 A
(6.00 A rms to
60.00 A rms)
+2.00 A or more
or
600.0 A
(0.0 A to
600.0 A)
0.1 A
(60.0 A rms to
600.0 A rms)
+20.0 A or more
or
Frequency measurement (Current)
Range
(Display range)
Resolution
(Accuracy guarantee range)
Measurement
accuracy
0.1 Hz
10000100010010
0
100
200
300
400
500
600
700
GENNECT Cross
special site
https://gennect.net/en/cross/index
HIOKI CM4001A961-00
May 2020 Edition 1
CM4001A961-00 20-05H
AC LEAKAGE
CLAMP METER
Instruction Manual
CM4001
EN
Warranty
Warranty malfunctions occurring under conditions of normal
use in conformity with the Instruction Manual and Product
Precautionary Markings will be repaired free of charge. This
warranty is valid for a period of three (3) years from the date
of purchase. Please contact the distributor from which you
purchased the product for further information on warranty
provisions.
Introduction
Thank you for choosing the Hioki CM4001 AC Leakage
Clamp Meter. To ensure your ability to get the most out of
this instrument over the long term, please read this manual
carefully and keep it available for future reference.
Familiarize yourself with the separate document entitled
“Operating Precautions” before using the instrument.
Overview
The instrument is an AC leakage clamp meter capable of true
RMS value measurement of current ranging from 0.60 mA to
a comparator function to facilitate instantaneous pass/fail
judgments.
Intended audience
This manual has been written for use by individuals who
use the product or provide information about how to use the
product.
In explaining how to use the product, it assumes electrical
knowledge (equivalent of the knowledge possessed by a
graduate of an electrical program at a technical high school).
Notations
In this document, the severity levels of risk and hazard are
DANGER
Indicates an imminently hazardous situation
that will result in death of or serious injury to the
operator.
WARNING
Indicates a potentially hazardous situation that
may result in death of or serious injury to the
operator.
CAUTION
Indicates a potentially hazardous situation
that may result in minor or moderate injury to
the operator or damage to the instrument or
malfunction.
Indicates an action that must not be performed.
Indicates an action that must be performed.
Indicates the need for caution or the presence
of danger. For more information about locations
where this symbol appears on instrument
components, see the “Usage Notes” section,
warning messages listed at the beginning of
operating instructions, and accompanying the
document entitled “Operating Precautions”.
Indicates that the instrument may be connected to
or disconnected from a live conductor.
[ ] The names of user interface elements on the
screen are enclosed in brackets ([ ]).
Bold Operation keys are printed in bold.
The instrument screen displays the alphanumeric characters
as follows.
1 2 3 4 5 6 7 8 9 0
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
1 2 3 4 5 6 7 8 9 0
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Usage Notes
CAUTION
• Avoid dropping or jarring the instrument which could
• Do not place any foreign object between the jaws or
insert any foreign object into the gap of the sensor
head. Doing so may worsen the performance of the
sensor or the opening-closing operation of the sensor
head.
•
potential even when no voltage is applied. This, however, is
not a malfunction.
•
characteristics than the 60 A and above ranges. As a result,
instrument.
•
accessories, options, battery, and other equipment in use.
Specications
Operating
environment
Indoors, Pollution Degree 2, altitude up to
2000 m (6562 ft.)
Operating
temperature and
humidity range
Humidity:
(non-condensing)
Storage
temperature and
humidity range
Standards Safety EN 61010
EMC EN 61326
Power supply LR03 alkaline battery × 1
Rated power voltage: 1.5 VDC
Maximum rated power: 450 mVA
voltage 1.5 V, ACA measurement, LCD
Continuous
operating time
• Approx. 32 hours (without Z3210)
• Approx. 16 hours (with Z3210, wireless
communication)
•
Dimensions Approx. 37W × 160H × 27D mm
(1.46”W × 6.3”H × 1.06”D)
(excluding the protruding parts, operation
grip, and jaw)
Jaw dimensions
Jaw cross-sectional
minimum dimension
Maximum measurable
φ24 mm
conductor diameter
Mass Approx. 115 g (4.1 oz.)
Product warranty
period
3 years
(number of jaw open/close cycles: 10000)
Accessories LR03 Alkaline battery × 1, Carrying case,
Instruction Manual, Operating Precautions
Option Z3210 Wireless Adapter
Option is subject to change. Check Hioki’s
website for the latest information.
Measurement items AC Current ( A), Frequency (Hz)
Maximum rated
terminal-to-ground
voltage
300 V AC (Measurement Category III)
Anticipated transient overvoltage: 4000 V
Measurement method
True RMS value measurement
Display update rate Measured value:
frequency)
1 time to 2 times/sec. (frequency)
(does not include range change time)
Zero-display range 5 counts or less
Crest factor For the 60.00 mA range/ 600.0 mA range/
6.000 A range/ 60.00 A range/600.0 A range
4.5 (4000 counts or less)
3 (more than 4000 counts, 6000 counts or less)
Maximum input
current
As per frequency derating (within 5 min.)
Accuracy Specications
rdg.: The value currently being measured and indicated on the measuring instrument.
Accuracy guarantee
conditions
Accuracy guarantee period: 1 year
Accuracy guarantee period after adjustment made by Hioki: 1 year
Accuracy guarantee temperature and humidity range:
Number of jaw open/close cycles: 10000 or less
Accuracy guarantee
input conditions
Sine wave input
Eect of external
magnetic eld
Max. 7.0 mA (6.000 A range and below)
Max. 4.0 A (60.00 A range and above)
Eects of conductor
position
(At any positions, based on the center of sensor)
Temperature
coecient
AC current RMS value measurement (ACA/ACA MAX/ACA MIN/ACA AVG)
Range
(Display range)
Resolution
(Accuracy
guarantee range)
Accuracy
guarantee
frequency range
Measurement accuracy
Filter o Filter on
60.00 mA
(0.00 mA to 60.00 mA)
0.01 mA
(0.60 mA rms to
60.00 mA rms)
–
600.0 mA
(0.0 mA to 600.0 mA)
0.1 mA
(6.0 mA rms to
600.0 mA rms)
–
6.000 A
(0.000 A to 6.000 A)
0.001 A
(0.060 A rms to
6.000 A rms)
–
60.00 A
(0.00 A to 60.00 A)
0.01 A
(0.60 A rms to
60.00 A rms)
–
600.0 A
(0.0 A to 600.0 A)
0.1 A
(6.0 A rms to
600.0 A rms)
–
AC current peak measurement (ACA PEAK MAX/ACA PEAK MIN)
Range
(Display range)
Resolution
(Accuracy
guarantee range)
Accuracy
guarantee
frequency range
Measurement accuracy
Filter o Filter on
60.00 mA
(0.0 mA to
0.1 mA
–
600.0 mA
(0 mA to
1 mA
–
6.000 A
(0.00 A to
0.01 A
–
60.00 A
(0.0 A to
0.1 A
–
600.0 A
1 A
–
AC inrush current measurement (ACA INRUSH)
Range
(Display range)
Resolution
(Accuracy
guarantee range)
Accuracy
guarantee
frequency range
Trigger
threshold
value (PEAK
value)
Measurement
accuracy
Filter o
600.0 mA
(0.0 mA to
600.0 mA)
0.1 mA
(60.0 mA rms to
600.0 mA rms)
+60.0 mA or more
or
6.000 A
(0.000 A to
6.000 A)
0.001 A
(0.600 A rms to
6.000 A rms)
+0.600 A or more
or
60.00 A
(0.00 A to
60.00 A)
0.01 A
(6.00 A rms to
60.00 A rms)
+2.00 A or more
or
600.0 A
(0.0 A to
600.0 A)
0.1 A
(60.0 A rms to
600.0 A rms)
+20.0 A or more
or
Frequency measurement (Current)
Range
(Display range)
Resolution
(Accuracy guarantee range)
Measurement
accuracy
0.1 Hz
10000100010010
0
100
200
300
400
500
600
700
GENNECT Cross
special site
https://gennect.net/en/cross/index
HIOKI CM4001A961-00
Names and Function of Parts
Power Key
Operation keysBarrier Battery cover
Display
Operation grip
Serial No.
not remove this sticker as the number is important.)
Jaw Strap hole
(Be sure to attach the strap to prevent the instrument from dropping.)
Front Rear
Power-on Option
(Turns the power on while pressing operation keys)
Key Function Default
value
Setting
retained?
+Cancels the auto power
save function ( On No
+Automatic backlight
On Yes
+
is powered on.
Yes
+ On Yes
++ Displays Serial No. – –
++
Displays model number,
version of software, and
all indicators.
– –
Operation keys
Key Press once Press for 1 sec.
or more
Retains measured value ( lights up)
(Cancel: Press the HOLD key),
saves measured value
when using the GENNECT Cross.
Turns the auto hold
(
Automatically deactivates the backlight when the
instrument is not in use for 40 sec.
Turns the comparator
( lights up)
Switches among the maximum value, minimum value,
average value, maximum peak value, minimum peak
value, and current value.
Cancel: Press the MAX/MIN key for 1 sec. or more.
( lights up)
Switches among the auto range, 60.00 mA range,
600.0 mA range, 6.000 A range, 60.00 A range, and
600.0 A range.
Switches frequency
measurement and
current measurement.
Making Measurements
To ensure that the instrument is properly operating, conduct an inspection and check instrument operation before using instrument to ensure
that no damage has occurred during storage or transport. Verify that the tips of the jaws are free of damage and cracking. If there is any
damage to the instrument, contact your authorized Hioki distributor or reseller for repair.
DANGER
•To prevent an electric shock, do not touch any areas beyond the barrier while the instrument is in use.
•The maximum measurement current varies with the frequency, and the current that can be measured
continuously is limited. Operating the instrument at less than this limitation is referred to as derating. Do not
measure currents in excess of the derating curve. Damage to the instrument or overheating can malfunction,
a re, or burn.
Ax around the wire and check the measured value.
AC current measurement, frequency measurement
• Clamp the instrument on one wire only.
• Put the conductor perpendicular to the sensor.
• Correct measurement may be impossible for the case of rush
• At a low temperature, there are cases when the reading may not
measurement.
• Press RANGE key for 1 sec. or more to switch frequency
measurement and current measurement.
OK
NO NO
OK
NO NO
• For measurement of grounded wires, clamp the instrument on one
• For overall measurement, clamp the instrument on the entire
• To measure a single-phase 2-wire circuit, clamp both of the circuit’s
wires together.
• To measure a 3-phase 4-wire circuit, clamp all 4 of the circuit’s
wires bundled together. If this is not possible, carry out the
measurement on the equipment’s ground wire.
• Measurement may not be accurate in the cases below.
(2) If you use the instrument to measure the waveforms on the
secondary side of an inverter, or other special waveforms.
• Note that a large display count may appear momently when
opening or closing the jaws. This is not an error. It may take
some time for the display to return to zero. However, starting
measurement.
3-phase 3-wire circuit
b
b
a
a
E (PE)
Leak
current
Load
equipment
Single-phase 3-wire circuit
b
b
E (PE)
Load
equipment
a
Leak
current
Leakage current measurement
The measured value is beyond the measurable
range of current measurement. Halt
measurement as the instrument is in an over-
input state.
The backlight will also turn red if the comparator
or event function threshold is exceeded.
Over-input warning
Repairs, Inspections, and Cleaning
is not discharged before contacting your authorized Hioki distributor
or reseller.
During shipment of the instrument, handle it carefully so that it is not
damaged due to a vibration or shock.
Cleaning
If the instrument becomes dirty, wipe the instrument clean with a soft
cloth slightly moistened with water or a neutral detergent.
Error display
When an error is displayed on the LCD screen, repair is necessary.
Please contact your authorized Hioki distributor or reseller.
[Err 1] ROM error (program)
[Err 2] ROM error (adjustment data)
[Err 4] Memory error
[Err 8] Z3210 communication error (bad connection, malfunction
of Z3210 or hardware)
Useful Functionality
Auto hold function
When the measured value stabilizes, the value automatically retains.
Next measurement
(Cancel: Press key for 1 sec. or more.)
Clamp the instrument
around a conductor.
Press for 1 sec. or more.
value)
Measured value
automatically retains.
Comparator function
If the present threshold value is exceeded, the instrument will sound
an intermittent beep, and the display will turn red.
Changing the threshold values
Press for 1
sec. or more.
(Changes
automatically)
Set the threshold
values.
Measurement
screen
threshold values.
Filter function
The passband is −
when performing measurement of current frequencies in excess of
be lower than the actual value.
AC Inrush function (Inrush current measurement)
The measured value (RMS value) is retained when an inrush current
is detected.
Repeat measurement by pressing
the HOLD key.
Revert to normal measurement by
pressing and holding the MAX/MIN
key and RANGE key at the same
time for 1 sec. or more.
range during current measurement.
using the auto range for current
measurement and to the 600.0 mA
range when using the 60 mA range
for current measurement.
(Inrush current
occurrence)
Measured value
automatically retains.
Clamp the
instrument
around a
conductor.
Press for 1 sec.
or more.
Auto power save (APS) function
about 10 min.
Wireless function (GENNECT Cross)
When the wireless function is enabled, you can review measurement
data and create measurement reports on mobile devices. For more
information about this functionality, see the Help function in the
GENNECT Cross (application software, free of charge).
1
Connect the Z3210 Wireless Adapter (option) to the
instrument.
2. Remove the
battery cover by
turning screws.
3. Remove the
protective cap.
4.
Exercising care to orient
the Z3210 correctly,
insert the Z3210 as far
as it will go.
5. Replace the battery cover and secure in place with the screw.
1
from the object under measurement.
2
Install the GENNECT Cross on your mobile device.
3
Turn on the power switch and conrm that the wireless
function is enabled.
Press 1 sec.
or more.
Flashes: Communicating
Lights up: Wireless function on
4
Launch the GENNECT Cross and pair it with the instrument.
5
Select the measurement function (such as General
Measurement and Waveform Graph function) and start
measurement.
• The communication distance is approx. 10 m (line of sight). The distance
over which data can be sent and received varies greatly depending on
whether there are any obstructions between the paired instruments (for
example, walls, metal barriers, etc.) and on the distance between the
adequate signal strength.
• Although this application software is provided free of charge, downloading
or using the application software may incur internet connection charges.
Such charges are the sole responsibility of the user.
• This application software is not guaranteed to operate on all mobile devices.
Event function
By using GENNECT Cross, you can set a
threshold value as desired and record data if it is
exceeded. The instrument displays the number
of events recorded. For more information, see
the Help function in the GENNECT Cross.
Press 1 sec. or more.
Displays the
number of events.
Replace battery
WARNING
To avoid electric shock, turn o the power switch
and disconnect the clamp from the object under
measurement before replacing the battery.
Fully charged.
As the battery charge diminishes, black charge bars
disappear, one by one, from the left of the battery indicator.
The battery voltage is low. Replace the battery as soon as
possible.
(Flashes) The battery is exhausted. Replace the battery.
1
,
3
2
1
Remove the battery cover by
turning screws.
2
Replace the battery.
3
Replace the battery cover and
secure in place with the screw.
(Cancel: Press key for 1 sec. or more.)
PE
HIOKI CM4001A961-00
Names and Function of Parts
Power Key
Operation keysBarrier Battery cover
Display
Operation grip
Serial No.
not remove this sticker as the number is important.)
Jaw Strap hole
(Be sure to attach the strap to prevent the instrument from dropping.)
Front Rear
Power-on Option
(Turns the power on while pressing operation keys)
Key Function Default
value
Setting
retained?
+Cancels the auto power
save function ( On No
+Automatic backlight
On Yes
+
is powered on.
Yes
+ On Yes
++ Displays Serial No. – –
++
Displays model number,
version of software, and
all indicators.
– –
Operation keys
Key Press once Press for 1 sec.
or more
Retains measured value ( lights up)
(Cancel: Press the HOLD key),
saves measured value
when using the GENNECT Cross.
Turns the auto hold
(
Automatically deactivates the backlight when the
instrument is not in use for 40 sec.
Turns the comparator
( lights up)
Switches among the maximum value, minimum value,
average value, maximum peak value, minimum peak
value, and current value.
Cancel: Press the MAX/MIN key for 1 sec. or more.
( lights up)
Switches among the auto range, 60.00 mA range,
600.0 mA range, 6.000 A range, 60.00 A range, and
600.0 A range.
Switches frequency
measurement and
current measurement.
Making Measurements
To ensure that the instrument is properly operating, conduct an inspection and check instrument operation before using instrument to ensure
that no damage has occurred during storage or transport. Verify that the tips of the jaws are free of damage and cracking. If there is any
damage to the instrument, contact your authorized Hioki distributor or reseller for repair.
DANGER
•To prevent an electric shock, do not touch any areas beyond the barrier while the instrument is in use.
•The maximum measurement current varies with the frequency, and the current that can be measured
continuously is limited. Operating the instrument at less than this limitation is referred to as derating. Do not
measure currents in excess of the derating curve. Damage to the instrument or overheating can malfunction,
a re, or burn.
Ax around the wire and check the measured value.
AC current measurement, frequency measurement
• Clamp the instrument on one wire only.
• Put the conductor perpendicular to the sensor.
• Correct measurement may be impossible for the case of rush
• At a low temperature, there are cases when the reading may not
measurement.
• Press RANGE key for 1 sec. or more to switch frequency
measurement and current measurement.
OK
NO NO
OK
NO NO
• For measurement of grounded wires, clamp the instrument on one
• For overall measurement, clamp the instrument on the entire
• To measure a single-phase 2-wire circuit, clamp both of the circuit’s
wires together.
• To measure a 3-phase 4-wire circuit, clamp all 4 of the circuit’s
wires bundled together. If this is not possible, carry out the
measurement on the equipment’s ground wire.
• Measurement may not be accurate in the cases below.
(2) If you use the instrument to measure the waveforms on the
secondary side of an inverter, or other special waveforms.
• Note that a large display count may appear momently when
opening or closing the jaws. This is not an error. It may take
some time for the display to return to zero. However, starting
measurement.
3-phase 3-wire circuit
b
b
a
a
E (PE)
Leak
current
Load
equipment
Single-phase 3-wire circuit
b
b
E (PE)
Load
equipment
a
Leak
current
Leakage current measurement
The measured value is beyond the measurable
range of current measurement. Halt
measurement as the instrument is in an over-
input state.
The backlight will also turn red if the comparator
or event function threshold is exceeded.
Over-input warning
Repairs, Inspections, and Cleaning
is not discharged before contacting your authorized Hioki distributor
or reseller.
During shipment of the instrument, handle it carefully so that it is not
damaged due to a vibration or shock.
Cleaning
If the instrument becomes dirty, wipe the instrument clean with a soft
cloth slightly moistened with water or a neutral detergent.
Error display
When an error is displayed on the LCD screen, repair is necessary.
Please contact your authorized Hioki distributor or reseller.
[Err 1] ROM error (program)
[Err 2] ROM error (adjustment data)
[Err 4] Memory error
[Err 8] Z3210 communication error (bad connection, malfunction
of Z3210 or hardware)
Useful Functionality
Auto hold function
When the measured value stabilizes, the value automatically retains.
Next measurement
(Cancel: Press key for 1 sec. or more.)
Clamp the instrument
around a conductor.
Press for 1 sec. or more.
value)
Measured value
automatically retains.
Comparator function
If the present threshold value is exceeded, the instrument will sound
an intermittent beep, and the display will turn red.
Changing the threshold values
Press for 1
sec. or more.
(Changes
automatically)
Set the threshold
values.
Measurement
screen
threshold values.
Filter function
The passband is −
when performing measurement of current frequencies in excess of
be lower than the actual value.
AC Inrush function (Inrush current measurement)
The measured value (RMS value) is retained when an inrush current
is detected.
Repeat measurement by pressing
the HOLD key.
Revert to normal measurement by
pressing and holding the MAX/MIN
key and RANGE key at the same
time for 1 sec. or more.
range during current measurement.
using the auto range for current
measurement and to the 600.0 mA
range when using the 60 mA range
for current measurement.
(Inrush current
occurrence)
Measured value
automatically retains.
Clamp the
instrument
around a
conductor.
Press for 1 sec.
or more.
Auto power save (APS) function
about 10 min.
Wireless function (GENNECT Cross)
When the wireless function is enabled, you can review measurement
data and create measurement reports on mobile devices. For more
information about this functionality, see the Help function in the
GENNECT Cross (application software, free of charge).
1
Connect the Z3210 Wireless Adapter (option) to the
instrument.
2. Remove the
battery cover by
turning screws.
3. Remove the
protective cap.
4.
Exercising care to orient
the Z3210 correctly,
insert the Z3210 as far
as it will go.
5. Replace the battery cover and secure in place with the screw.
1
from the object under measurement.
2
Install the GENNECT Cross on your mobile device.
3
Turn on the power switch and conrm that the wireless
function is enabled.
Press 1 sec.
or more.
Flashes: Communicating
Lights up: Wireless function on
4
Launch the GENNECT Cross and pair it with the instrument.
5
Select the measurement function (such as General
Measurement and Waveform Graph function) and start
measurement.
• The communication distance is approx. 10 m (line of sight). The distance
over which data can be sent and received varies greatly depending on
whether there are any obstructions between the paired instruments (for
example, walls, metal barriers, etc.) and on the distance between the
adequate signal strength.
• Although this application software is provided free of charge, downloading
or using the application software may incur internet connection charges.
Such charges are the sole responsibility of the user.
• This application software is not guaranteed to operate on all mobile devices.
Event function
By using GENNECT Cross, you can set a
threshold value as desired and record data if it is
exceeded. The instrument displays the number
of events recorded. For more information, see
the Help function in the GENNECT Cross.
Press 1 sec. or more.
Displays the
number of events.
Replace battery
WARNING
To avoid electric shock, turn o the power switch
and disconnect the clamp from the object under
measurement before replacing the battery.
Fully charged.
As the battery charge diminishes, black charge bars
disappear, one by one, from the left of the battery indicator.
The battery voltage is low. Replace the battery as soon as
possible.
(Flashes) The battery is exhausted. Replace the battery.
1
,
3
2
1
Remove the battery cover by
turning screws.
2
Replace the battery.
3
Replace the battery cover and
secure in place with the screw.
(Cancel: Press key for 1 sec. or more.)
PE
HIOKI CM4001A961-00
Names and Function of Parts
Power Key
Operation keysBarrier Battery cover
Display
Operation grip
Serial No.
not remove this sticker as the number is important.)
Jaw Strap hole
(Be sure to attach the strap to prevent the instrument from dropping.)
Front Rear
Power-on Option
(Turns the power on while pressing operation keys)
Key Function Default
value
Setting
retained?
+Cancels the auto power
save function ( On No
+Automatic backlight
On Yes
+
is powered on.
Yes
+ On Yes
++ Displays Serial No. – –
++
Displays model number,
version of software, and
all indicators.
– –
Operation keys
Key Press once Press for 1 sec.
or more
Retains measured value ( lights up)
(Cancel: Press the HOLD key),
saves measured value
when using the GENNECT Cross.
Turns the auto hold
(
Automatically deactivates the backlight when the
instrument is not in use for 40 sec.
Turns the comparator
( lights up)
Switches among the maximum value, minimum value,
average value, maximum peak value, minimum peak
value, and current value.
Cancel: Press the MAX/MIN key for 1 sec. or more.
( lights up)
Switches among the auto range, 60.00 mA range,
600.0 mA range, 6.000 A range, 60.00 A range, and
600.0 A range.
Switches frequency
measurement and
current measurement.
Making Measurements
To ensure that the instrument is properly operating, conduct an inspection and check instrument operation before using instrument to ensure
that no damage has occurred during storage or transport. Verify that the tips of the jaws are free of damage and cracking. If there is any
damage to the instrument, contact your authorized Hioki distributor or reseller for repair.
DANGER
•To prevent an electric shock, do not touch any areas beyond the barrier while the instrument is in use.
•The maximum measurement current varies with the frequency, and the current that can be measured
continuously is limited. Operating the instrument at less than this limitation is referred to as derating. Do not
measure currents in excess of the derating curve. Damage to the instrument or overheating can malfunction,
a re, or burn.
Ax around the wire and check the measured value.
AC current measurement, frequency measurement
• Clamp the instrument on one wire only.
• Put the conductor perpendicular to the sensor.
• Correct measurement may be impossible for the case of rush
• At a low temperature, there are cases when the reading may not
measurement.
• Press RANGE key for 1 sec. or more to switch frequency
measurement and current measurement.
OK
NO NO
OK
NO NO
• For measurement of grounded wires, clamp the instrument on one
• For overall measurement, clamp the instrument on the entire
• To measure a single-phase 2-wire circuit, clamp both of the circuit’s
wires together.
• To measure a 3-phase 4-wire circuit, clamp all 4 of the circuit’s
wires bundled together. If this is not possible, carry out the
measurement on the equipment’s ground wire.
• Measurement may not be accurate in the cases below.
(2) If you use the instrument to measure the waveforms on the
secondary side of an inverter, or other special waveforms.
• Note that a large display count may appear momently when
opening or closing the jaws. This is not an error. It may take
some time for the display to return to zero. However, starting
measurement.
3-phase 3-wire circuit
b
b
a
a
E (PE)
Leak
current
Load
equipment
Single-phase 3-wire circuit
b
b
E (PE)
Load
equipment
a
Leak
current
Leakage current measurement
The measured value is beyond the measurable
range of current measurement. Halt
measurement as the instrument is in an over-
input state.
The backlight will also turn red if the comparator
or event function threshold is exceeded.
Over-input warning
Repairs, Inspections, and Cleaning
is not discharged before contacting your authorized Hioki distributor
or reseller.
During shipment of the instrument, handle it carefully so that it is not
damaged due to a vibration or shock.
Cleaning
If the instrument becomes dirty, wipe the instrument clean with a soft
cloth slightly moistened with water or a neutral detergent.
Error display
When an error is displayed on the LCD screen, repair is necessary.
Please contact your authorized Hioki distributor or reseller.
[Err 1] ROM error (program)
[Err 2] ROM error (adjustment data)
[Err 4] Memory error
[Err 8] Z3210 communication error (bad connection, malfunction
of Z3210 or hardware)
Useful Functionality
Auto hold function
When the measured value stabilizes, the value automatically retains.
Next measurement
(Cancel: Press key for 1 sec. or more.)
Clamp the instrument
around a conductor.
Press for 1 sec. or more.
value)
Measured value
automatically retains.
Comparator function
If the present threshold value is exceeded, the instrument will sound
an intermittent beep, and the display will turn red.
Changing the threshold values
Press for 1
sec. or more.
(Changes
automatically)
Set the threshold
values.
Measurement
screen
threshold values.
Filter function
The passband is −
when performing measurement of current frequencies in excess of
be lower than the actual value.
AC Inrush function (Inrush current measurement)
The measured value (RMS value) is retained when an inrush current
is detected.
Repeat measurement by pressing
the HOLD key.
Revert to normal measurement by
pressing and holding the MAX/MIN
key and RANGE key at the same
time for 1 sec. or more.
range during current measurement.
using the auto range for current
measurement and to the 600.0 mA
range when using the 60 mA range
for current measurement.
(Inrush current
occurrence)
Measured value
automatically retains.
Clamp the
instrument
around a
conductor.
Press for 1 sec.
or more.
Auto power save (APS) function
about 10 min.
Wireless function (GENNECT Cross)
When the wireless function is enabled, you can review measurement
data and create measurement reports on mobile devices. For more
information about this functionality, see the Help function in the
GENNECT Cross (application software, free of charge).
1
Connect the Z3210 Wireless Adapter (option) to the
instrument.
2. Remove the
battery cover by
turning screws.
3. Remove the
protective cap.
4.
Exercising care to orient
the Z3210 correctly,
insert the Z3210 as far
as it will go.
5. Replace the battery cover and secure in place with the screw.
1
from the object under measurement.
2
Install the GENNECT Cross on your mobile device.
3
Turn on the power switch and conrm that the wireless
function is enabled.
Press 1 sec.
or more.
Flashes: Communicating
Lights up: Wireless function on
4
Launch the GENNECT Cross and pair it with the instrument.
5
Select the measurement function (such as General
Measurement and Waveform Graph function) and start
measurement.
• The communication distance is approx. 10 m (line of sight). The distance
over which data can be sent and received varies greatly depending on
whether there are any obstructions between the paired instruments (for
example, walls, metal barriers, etc.) and on the distance between the
adequate signal strength.
• Although this application software is provided free of charge, downloading
or using the application software may incur internet connection charges.
Such charges are the sole responsibility of the user.
• This application software is not guaranteed to operate on all mobile devices.
Event function
By using GENNECT Cross, you can set a
threshold value as desired and record data if it is
exceeded. The instrument displays the number
of events recorded. For more information, see
the Help function in the GENNECT Cross.
Press 1 sec. or more.
Displays the
number of events.
Replace battery
WARNING
To avoid electric shock, turn o the power switch
and disconnect the clamp from the object under
measurement before replacing the battery.
Fully charged.
As the battery charge diminishes, black charge bars
disappear, one by one, from the left of the battery indicator.
The battery voltage is low. Replace the battery as soon as
possible.
(Flashes) The battery is exhausted. Replace the battery.
1
,
3
2
1
Remove the battery cover by
turning screws.
2
Replace the battery.
3
Replace the battery cover and
secure in place with the screw.
(Cancel: Press key for 1 sec. or more.)
PE
HIOKI CM4001A961-00
Names and Function of Parts
Power Key
Operation keysBarrier Battery cover
Display
Operation grip
Serial No.
not remove this sticker as the number is important.)
Jaw Strap hole
(Be sure to attach the strap to prevent the instrument from dropping.)
Front Rear
Power-on Option
(Turns the power on while pressing operation keys)
Key Function Default
value
Setting
retained?
+Cancels the auto power
save function ( On No
+Automatic backlight
On Yes
+
is powered on.
Yes
+ On Yes
++ Displays Serial No. – –
++
Displays model number,
version of software, and
all indicators.
– –
Operation keys
Key Press once Press for 1 sec.
or more
Retains measured value ( lights up)
(Cancel: Press the HOLD key),
saves measured value
when using the GENNECT Cross.
Turns the auto hold
(
Automatically deactivates the backlight when the
instrument is not in use for 40 sec.
Turns the comparator
( lights up)
Switches among the maximum value, minimum value,
average value, maximum peak value, minimum peak
value, and current value.
Cancel: Press the MAX/MIN key for 1 sec. or more.
( lights up)
Switches among the auto range, 60.00 mA range,
600.0 mA range, 6.000 A range, 60.00 A range, and
600.0 A range.
Switches frequency
measurement and
current measurement.
Making Measurements
To ensure that the instrument is properly operating, conduct an inspection and check instrument operation before using instrument to ensure
that no damage has occurred during storage or transport. Verify that the tips of the jaws are free of damage and cracking. If there is any
damage to the instrument, contact your authorized Hioki distributor or reseller for repair.
DANGER
•To prevent an electric shock, do not touch any areas beyond the barrier while the instrument is in use.
•The maximum measurement current varies with the frequency, and the current that can be measured
continuously is limited. Operating the instrument at less than this limitation is referred to as derating. Do not
measure currents in excess of the derating curve. Damage to the instrument or overheating can malfunction,
a re, or burn.
Ax around the wire and check the measured value.
AC current measurement, frequency measurement
• Clamp the instrument on one wire only.
• Put the conductor perpendicular to the sensor.
• Correct measurement may be impossible for the case of rush
• At a low temperature, there are cases when the reading may not
measurement.
• Press RANGE key for 1 sec. or more to switch frequency
measurement and current measurement.
OK
NO NO
OK
NO NO
• For measurement of grounded wires, clamp the instrument on one
• For overall measurement, clamp the instrument on the entire
• To measure a single-phase 2-wire circuit, clamp both of the circuit’s
wires together.
• To measure a 3-phase 4-wire circuit, clamp all 4 of the circuit’s
wires bundled together. If this is not possible, carry out the
measurement on the equipment’s ground wire.
• Measurement may not be accurate in the cases below.
(2) If you use the instrument to measure the waveforms on the
secondary side of an inverter, or other special waveforms.
• Note that a large display count may appear momently when
opening or closing the jaws. This is not an error. It may take
some time for the display to return to zero. However, starting
measurement.
3-phase 3-wire circuit
b
b
a
a
E (PE)
Leak
current
Load
equipment
Single-phase 3-wire circuit
b
b
E (PE)
Load
equipment
a
Leak
current
Leakage current measurement
The measured value is beyond the measurable
range of current measurement. Halt
measurement as the instrument is in an over-
input state.
The backlight will also turn red if the comparator
or event function threshold is exceeded.
Over-input warning
Repairs, Inspections, and Cleaning
is not discharged before contacting your authorized Hioki distributor
or reseller.
During shipment of the instrument, handle it carefully so that it is not
damaged due to a vibration or shock.
Cleaning
If the instrument becomes dirty, wipe the instrument clean with a soft
cloth slightly moistened with water or a neutral detergent.
Error display
When an error is displayed on the LCD screen, repair is necessary.
Please contact your authorized Hioki distributor or reseller.
[Err 1] ROM error (program)
[Err 2] ROM error (adjustment data)
[Err 4] Memory error
[Err 8] Z3210 communication error (bad connection, malfunction
of Z3210 or hardware)
Useful Functionality
Auto hold function
When the measured value stabilizes, the value automatically retains.
Next measurement
(Cancel: Press key for 1 sec. or more.)
Clamp the instrument
around a conductor.
Press for 1 sec. or more.
value)
Measured value
automatically retains.
Comparator function
If the present threshold value is exceeded, the instrument will sound
an intermittent beep, and the display will turn red.
Changing the threshold values
Press for 1
sec. or more.
(Changes
automatically)
Set the threshold
values.
Measurement
screen
threshold values.
Filter function
The passband is −
when performing measurement of current frequencies in excess of
be lower than the actual value.
AC Inrush function (Inrush current measurement)
The measured value (RMS value) is retained when an inrush current
is detected.
Repeat measurement by pressing
the HOLD key.
Revert to normal measurement by
pressing and holding the MAX/MIN
key and RANGE key at the same
time for 1 sec. or more.
range during current measurement.
using the auto range for current
measurement and to the 600.0 mA
range when using the 60 mA range
for current measurement.
(Inrush current
occurrence)
Measured value
automatically retains.
Clamp the
instrument
around a
conductor.
Press for 1 sec.
or more.
Auto power save (APS) function
about 10 min.
Wireless function (GENNECT Cross)
When the wireless function is enabled, you can review measurement
data and create measurement reports on mobile devices. For more
information about this functionality, see the Help function in the
GENNECT Cross (application software, free of charge).
1
Connect the Z3210 Wireless Adapter (option) to the
instrument.
2. Remove the
battery cover by
turning screws.
3. Remove the
protective cap.
4.
Exercising care to orient
the Z3210 correctly,
insert the Z3210 as far
as it will go.
5. Replace the battery cover and secure in place with the screw.
1
from the object under measurement.
2
Install the GENNECT Cross on your mobile device.
3
Turn on the power switch and conrm that the wireless
function is enabled.
Press 1 sec.
or more.
Flashes: Communicating
Lights up: Wireless function on
4
Launch the GENNECT Cross and pair it with the instrument.
5
Select the measurement function (such as General
Measurement and Waveform Graph function) and start
measurement.
• The communication distance is approx. 10 m (line of sight). The distance
over which data can be sent and received varies greatly depending on
whether there are any obstructions between the paired instruments (for
example, walls, metal barriers, etc.) and on the distance between the
adequate signal strength.
• Although this application software is provided free of charge, downloading
or using the application software may incur internet connection charges.
Such charges are the sole responsibility of the user.
• This application software is not guaranteed to operate on all mobile devices.
Event function
By using GENNECT Cross, you can set a
threshold value as desired and record data if it is
exceeded. The instrument displays the number
of events recorded. For more information, see
the Help function in the GENNECT Cross.
Press 1 sec. or more.
Displays the
number of events.
Replace battery
WARNING
To avoid electric shock, turn o the power switch
and disconnect the clamp from the object under
measurement before replacing the battery.
Fully charged.
As the battery charge diminishes, black charge bars
disappear, one by one, from the left of the battery indicator.
The battery voltage is low. Replace the battery as soon as
possible.
(Flashes) The battery is exhausted. Replace the battery.
1
,
3
2
1
Remove the battery cover by
turning screws.
2
Replace the battery.
3
Replace the battery cover and
secure in place with the screw.
(Cancel: Press key for 1 sec. or more.)
PE
HIOKI CM4001A961-00
Names and Function of Parts
Power Key
Operation keysBarrier Battery cover
Display
Operation grip
Serial No.
not remove this sticker as the number is important.)
Jaw Strap hole
(Be sure to attach the strap to prevent the instrument from dropping.)
Front Rear
Power-on Option
(Turns the power on while pressing operation keys)
Key Function Default
value
Setting
retained?
+Cancels the auto power
save function ( On No
+Automatic backlight
On Yes
+
is powered on.
Yes
+ On Yes
++ Displays Serial No. – –
++
Displays model number,
version of software, and
all indicators.
– –
Operation keys
Key Press once Press for 1 sec.
or more
Retains measured value ( lights up)
(Cancel: Press the HOLD key),
saves measured value
when using the GENNECT Cross.
Turns the auto hold
(
Automatically deactivates the backlight when the
instrument is not in use for 40 sec.
Turns the comparator
( lights up)
Switches among the maximum value, minimum value,
average value, maximum peak value, minimum peak
value, and current value.
Cancel: Press the MAX/MIN key for 1 sec. or more.
( lights up)
Switches among the auto range, 60.00 mA range,
600.0 mA range, 6.000 A range, 60.00 A range, and
600.0 A range.
Switches frequency
measurement and
current measurement.
Making Measurements
To ensure that the instrument is properly operating, conduct an inspection and check instrument operation before using instrument to ensure
that no damage has occurred during storage or transport. Verify that the tips of the jaws are free of damage and cracking. If there is any
damage to the instrument, contact your authorized Hioki distributor or reseller for repair.
DANGER
•To prevent an electric shock, do not touch any areas beyond the barrier while the instrument is in use.
•The maximum measurement current varies with the frequency, and the current that can be measured
continuously is limited. Operating the instrument at less than this limitation is referred to as derating. Do not
measure currents in excess of the derating curve. Damage to the instrument or overheating can malfunction,
a re, or burn.
Ax around the wire and check the measured value.
AC current measurement, frequency measurement
• Clamp the instrument on one wire only.
• Put the conductor perpendicular to the sensor.
• Correct measurement may be impossible for the case of rush
• At a low temperature, there are cases when the reading may not
measurement.
• Press RANGE key for 1 sec. or more to switch frequency
measurement and current measurement.
OK
NO NO
OK
NO NO
• For measurement of grounded wires, clamp the instrument on one
• For overall measurement, clamp the instrument on the entire
• To measure a single-phase 2-wire circuit, clamp both of the circuit’s
wires together.
• To measure a 3-phase 4-wire circuit, clamp all 4 of the circuit’s
wires bundled together. If this is not possible, carry out the
measurement on the equipment’s ground wire.
• Measurement may not be accurate in the cases below.
(2) If you use the instrument to measure the waveforms on the
secondary side of an inverter, or other special waveforms.
• Note that a large display count may appear momently when
opening or closing the jaws. This is not an error. It may take
some time for the display to return to zero. However, starting
measurement.
3-phase 3-wire circuit
b
b
a
a
E (PE)
Leak
current
Load
equipment
Single-phase 3-wire circuit
b
b
E (PE)
Load
equipment
a
Leak
current
Leakage current measurement
The measured value is beyond the measurable
range of current measurement. Halt
measurement as the instrument is in an over-
input state.
The backlight will also turn red if the comparator
or event function threshold is exceeded.
Over-input warning
Repairs, Inspections, and Cleaning
is not discharged before contacting your authorized Hioki distributor
or reseller.
During shipment of the instrument, handle it carefully so that it is not
damaged due to a vibration or shock.
Cleaning
If the instrument becomes dirty, wipe the instrument clean with a soft
cloth slightly moistened with water or a neutral detergent.
Error display
When an error is displayed on the LCD screen, repair is necessary.
Please contact your authorized Hioki distributor or reseller.
[Err 1] ROM error (program)
[Err 2] ROM error (adjustment data)
[Err 4] Memory error
[Err 8] Z3210 communication error (bad connection, malfunction
of Z3210 or hardware)
Useful Functionality
Auto hold function
When the measured value stabilizes, the value automatically retains.
Next measurement
(Cancel: Press key for 1 sec. or more.)
Clamp the instrument
around a conductor.
Press for 1 sec. or more.
value)
Measured value
automatically retains.
Comparator function
If the present threshold value is exceeded, the instrument will sound
an intermittent beep, and the display will turn red.
Changing the threshold values
Press for 1
sec. or more.
(Changes
automatically)
Set the threshold
values.
Measurement
screen
threshold values.
Filter function
The passband is −
when performing measurement of current frequencies in excess of
be lower than the actual value.
AC Inrush function (Inrush current measurement)
The measured value (RMS value) is retained when an inrush current
is detected.
Repeat measurement by pressing
the HOLD key.
Revert to normal measurement by
pressing and holding the MAX/MIN
key and RANGE key at the same
time for 1 sec. or more.
range during current measurement.
using the auto range for current
measurement and to the 600.0 mA
range when using the 60 mA range
for current measurement.
(Inrush current
occurrence)
Measured value
automatically retains.
Clamp the
instrument
around a
conductor.
Press for 1 sec.
or more.
Auto power save (APS) function
about 10 min.
Wireless function (GENNECT Cross)
When the wireless function is enabled, you can review measurement
data and create measurement reports on mobile devices. For more
information about this functionality, see the Help function in the
GENNECT Cross (application software, free of charge).
1
Connect the Z3210 Wireless Adapter (option) to the
instrument.
2. Remove the
battery cover by
turning screws.
3. Remove the
protective cap.
4.
Exercising care to orient
the Z3210 correctly,
insert the Z3210 as far
as it will go.
5. Replace the battery cover and secure in place with the screw.
1
from the object under measurement.
2
Install the GENNECT Cross on your mobile device.
3
Turn on the power switch and conrm that the wireless
function is enabled.
Press 1 sec.
or more.
Flashes: Communicating
Lights up: Wireless function on
4
Launch the GENNECT Cross and pair it with the instrument.
5
Select the measurement function (such as General
Measurement and Waveform Graph function) and start
measurement.
• The communication distance is approx. 10 m (line of sight). The distance
over which data can be sent and received varies greatly depending on
whether there are any obstructions between the paired instruments (for
example, walls, metal barriers, etc.) and on the distance between the
adequate signal strength.
• Although this application software is provided free of charge, downloading
or using the application software may incur internet connection charges.
Such charges are the sole responsibility of the user.
• This application software is not guaranteed to operate on all mobile devices.
Event function
By using GENNECT Cross, you can set a
threshold value as desired and record data if it is
exceeded. The instrument displays the number
of events recorded. For more information, see
the Help function in the GENNECT Cross.
Press 1 sec. or more.
Displays the
number of events.
Replace battery
WARNING
To avoid electric shock, turn o the power switch
and disconnect the clamp from the object under
measurement before replacing the battery.
Fully charged.
As the battery charge diminishes, black charge bars
disappear, one by one, from the left of the battery indicator.
The battery voltage is low. Replace the battery as soon as
possible.
(Flashes) The battery is exhausted. Replace the battery.
1
,
3
2
1
Remove the battery cover by
turning screws.
2
Replace the battery.
3
Replace the battery cover and
secure in place with the screw.
(Cancel: Press key for 1 sec. or more.)
PE
HIOKI CM4001A961-00
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