AEMC 502 User manual

TRMS CLAMP-ON METER

502
®
INSTRUMENTS
ENGLISH User Manual
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Statement of Compliance
Chauvin Arnoux®, Inc. d.b.a. AEMC®
Instruments certifies that this instrument
has been calibrated using standards and
instruments traceable to international
standards.
We guarantee that at the time of shipping
your instrument has met its published
specifications.
An NIST traceable certificate may be
requested at the time of purchase, or
obtained by returning the instrument to
our repair and calibration facility, for a
nominal charge.
The recommended calibration interval for
this instrument is 12 months and begins
on the date of receipt by the customer.
Serial #: ___________________________
Catalog #: 2117.66
Model #: 502
Please fill in the appropriate date as
indicated:
Date Received: ______________________
Date Calibration Due: _________________
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TRMS Clamp-on Meter Model 502 1
Table of Contents
1. INTRODUCTION............................. 2
1.1 International Electrical Symbols ................ 3
1.2 Receiving Your Shipment...................3
1.3 Ordering Information..........................3
2. PRODUCT FEATURES.................... 4
2.1 Control Features ................................4
2.2 LCD Display.......................................5
3. SPECIFICATIONS........................... 6
3.1 ElectricalSpecications ..................... 6
3.2 MechanicalSpecications ................. 7
3.3 EnvironmentalSpecications.............8
3.4 SafetySpecications ........................8
4. OPERATION ................................... 9
4.1 AC Current Measurement..................9
4.2 AC Volt Measurement......................10
4.3 DC Volt Measurement...................... 11
4.4 Resistance Measurement ................12
4.5 Continuity Measurement..................13
4.6 Frequency Measurement Using
Current Input....................................14
4.7 Frequency Measuring Using
Voltage Input....................................15
5. MAINTENANCE............................ 16
5.1 Warning!...........................................16
5.2 Cleaning...........................................16
5.3 Battery Replacement .......................17
Limited Warranty .............................................19
Warranty Repairs.............................................19
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2 TRMS Clamp-on Meter Model 502
CHAPTER 1
INTRODUCTION
Warning
• Readtheusermanualbeforeoperat-
ing and follow all safety information.
• Onlyusethemeterasspeciedinthis
user manual.
• Neverusethismeteronacircuitwith
voltages greater than 600Vrms @
50/60Hz.
• Nevermeasurecurrentwhilethe
test leads are connected to the input
jacks.
• Donotoperatethemeterifthebody
or test leads look damaged.
• Onlyusefactorysuppliedleads.
• Checktherotaryrangeswitchand
make sure it is at the correct position
before each measurement.
• Donotperformresistanceandconti-
nuity test on a live circuit.
• Useextremecautionwhenmeasur-
ing live systems with voltages greater
than 60VDC or 30VAC.
• Useextremecarewhenworking
around bus bars and bare conductors.
• Donotusethemeterinoverrange/
overload conditions (OL).
• Foraccuratereadings,changethe
battery when the symbol appears.
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TRMS Clamp-on Meter Model 502 3
1.1 International Electrical Symbols
Thissymbolsigniesthattheinstrument
is protected by double or reinforced insu-
lation.
This symbol on the instrument indicates
a WARNING and that the operator must
refer to the user manual for instructions
before operating the instrument. In this
manual,thesymbolprecedinginstructions
indicates that if the instructions are not
followed,bodilyinjury,installation/sample
and product damage may result.
Risk of electric shock. The voltage at the
parts marked with this symbol may be
dangerous.
1.2 Receiving Your Shipment
Upon receiving your shipment, make sure that
the contents are consistent with the packing list.
Notify your distributor of any missing items. If the
equipmentappearsto be damaged, le a claim
immediately with the carrier and notify your dis-
tributor at once, giving a detailed description of
any damage. Save the damaged packing con-
tainer to substantiate your claim.
1.3 Ordering Information
TRMS Clamp-on Meter 502 ............Cat. #2117.66
Includes meter, pair of test leads (red/black with probe
tips), two 1.5V AAA batteries, soft carrying case and a
user manual.
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4 TRMS Clamp-on Meter Model 502
CHAPTER 2
PRODUCT FEATURES
2.1 Control Features
1. Jaw assembly - Ø 1.18" (30mm)
2. Safety barrier - anti-slip guard
3. Lever for jaw opening/closing
4. Rotary range selector switch
5. LCD display
6. COM (Black) input terminal jack
7. Positive (Red) input terminal jack
8. Data hold button
9. Battery compartment cover
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TRMS Clamp-on Meter Model 502 5
2.2 LCD Display
Low Battery
AUTO Auto Range
Data Hold
Continuity with beeper
VVoltage Indicator
ACurrent Indicator
AC Input
DC Input
Polarity Indicator
Analog Bargraph
MK Hz Frequency Measurement
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6 TRMS Clamp-on Meter Model 502
CHAPTER 3
SPECIFICATIONS
Accuracy is provided under the following reference conditions:
23°C±5°C,45to80%RH,TrueRMSforACVandACAaccuracy
arespeciedfrom5%to100%ofrange,crestfactor1.4<CF<3
atfullscale&CF<6athalfscale.
3.1 Electrical Specifications
AC Amperes (Auto-ranging)
Range Res Accuracy
40A 0.01A 50to60Hz:1.9%ofRdg±5cts
60to500Hz:2.5%ofRdg±5cts
400A 0.1A
Overload Protection: 600Arms
AC Volts (Auto-ranging)
Range Res Accuracy Input Impedance
400V 0.1V 50 to 500Hz:
1.5%ofRdg±5cts
1MΩ
600V 1V
Overload Protection: 600Vrms
DC Volts (Auto-ranging)
Range Res Accuracy Input Impedance
400V 0.1V 1%Rdg
± 2 cts 1MΩ
600V 1V
Overload Protection: 600Vrms
Resistance(Ω)
Range Res Accuracy Max Test Voltage
400Ω 0.1Ω 1%Rdg±2cts 1.5VDC
Overload Protection: 600Vrms
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TRMS Clamp-on Meter Model 502 7
Continuity ( )
Range Beeper Activation Max Test Voltage
<40Ω 1.5VDC
Overload Protection: 600Vrms
Frequency (Hz) (Auto-ranging)
Input Range Res Accuracy Sensitivity
Current 20 to 4kHz 1 Hz 0.1%Rdg
± 1ct 2Arms
10kHz 10 Hz
Voltage
10 to 4kHz 1 Hz
0.1%Rdg
± 1ct 5Vrms40kHz 10 Hz
400kHz 100 Hz
Overload Protection: 600Vrms or 600Arms
3.2 Mechanical Specifications
Digital Display:
3¾digitsLCDdisplay,4000-count(3999max)
Analog Display:
Fast 42 segment analog bargraph display
Symbol and Scale Range:
Automatic according to range and input signal
Polarity:
displayed when negative signal applied to
input
Over Load:
displayedwheninputsignalexceedsrange
Sample Rate:
2 samples/sec for the digital display
20 samples/sec for the analog bargraph
Power Supply:
Two 1.5V AAA (LR03) alkaline batteries
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8 TRMS Clamp-on Meter Model 502
Low Battery: displayed when the battery is
below the required voltage
Battery Life: 100hoursapprox
Auto Power Off: The meter will shut itself OFF
if there is no activity for 30 minutes.
Jaw Opening: 1.18" (30mm)
Dimension:
1.97x7.60x1.1"(50x193x28mm)
Weight: 8.11 oz (230g) with batteries
3.3 Environmental Specifications
Operating Temperature:
32° to 104°F (0° to 40°C), <80% RH, non-con-
densing
Storage Temperature:
14° to 140°F (-10° to 60°C), <70% RH, battery
removed
Altitude: 2000m
3.4 Safety Specifications
EN61010,600V,CATII
EN61010,300V,CATIII
Pollution Degree: 2
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TRMS Clamp-on Meter Model 502 9
CHAPTER 4
OPERATION
4.1 AC Current Measurement
NOTE: Remove test leads before measuring current
• Turntherotaryrangeswitchtothe range.
• Pressthelevertoopenthejaws.
• Clamp the jaws around the conductor to be
measured.
• Ifreadingisunstableandishardtoread,
push the HOLD button and read the mea-
surement.
WARNING: Unclamp the meter
immediately if " "isdisplayed,
V
V
A
0
AUTO
OFF Hz
A
2 0 0 0
COM
Ω
CATII
600V
!
®
INSTRUMENTS
MODEL 502
TRMS CLAMP METER
HOLD
600V CAT II
300V CAT III 400A
H
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10 TRMS Clamp-on Meter Model 502
4.2 AC Volt Measurement
WARNING: MaximumInputVoltageis
600V.Donotexceedthisvoltageto
avoid electrical shock and/or damage to
the instrument.
• Turntherotaryrangeswitchtothe range.
• Inserttheredtestleadtothered"+" input
jack and the black lead to the black "COM"
input jack.
• Bringthetestprobetipsintocontactwiththe
test points.
• Ifreadingisunstableandishardtoread,
push the HOLD button and read the mea-
surement.
WARNING: Immediately unclamp the
meter from the conductor under test if
overload " " is displayed.
0 10
AUTO
V
1 1 0 0
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TRMS Clamp-on Meter Model 502 11
4.3 DC Volt Measurement
• Turntherotaryrangeswitchtothe range.
• Inserttheredtestleadtothered"+" input
jack and the black lead to the black "COM"
input jack.
• Bringthetestprobetipsintocontactwiththe
test points.
• Ifreadingisunstableandishardtoread,
push the HOLD button and read the mea-
surement.
WARNING: Immediately unclamp the
meter from the conductor under test if
overload " " is displayed.
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12 TRMS Clamp-on Meter Model 502
4.4 Resistance Measurement
• Turn the rotary range switch to the
range.
• Inserttheredtestleadtothered"+" input
jack and the black lead to the black "COM"
input jack.
• Bringthetestprobetipsintocontactwiththe
sample under test.
WARNING: Immediately unclamp the
meter from the conductor under test if
overload " " is displayed.
WARNING: When making a resis-
tancemeasurement,makesurethat
the power is off (dead circuit), and
that all capacitors in the measured
circuit are fully discharged.
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TRMS Clamp-on Meter Model 502 13
4.5 Continuity Measurement
• Turn the rotary range switch to the
range.
• Insertredtestleadtothered"+" input jack
and the black lead to the black "COM" input
jack.
• Bringthetestprobetipsintocontactwiththe
sample under test.
• Iftheresistanceislessthan40Ω,thebeeper
emits a continuous sound.
WARNING: Immediately unclamp the
meter from the conductor under test if
overload " " is displayed.
WARNING: When testing continuity,
make sure that there is no power in
the tested sample or circuit (dead cir-
cuit). This may be checked by using
the voltage functions.
®
INSTRUMENTS
MODEL 502
TRMS CLAMP METER
HOLD
600V CAT II
300V CAT III 400A
H
V
V
A
0
OFF Hz
Ω
0.1
COM
Ω
CAT II
600V
!
®
INSTRUMENTS
MODEL 502
TRMS CLAMP METER
HOLD
600V CAT II
300V CAT III 400A
H
V
V
A
OFF Hz
Ω
0102030 40
Ω
COM
CAT II
600V
!
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14 TRMS Clamp-on Meter Model 502
4.6 Frequency Measurement Using
Current Input
NOTE: Remove the test leads before measuring
current
• Turntherotaryrangeswitchtothe range.
• Pressthelevertoopenthejaws.
• Clampthejawsaroundtheconductortobe
measured.
WARNING: Do not use both voltage
and current inputs at the same time
when measuring frequency. This may
be dangerous. Erroneous readings
will occur if both inputs are used at
the same time.
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TRMS Clamp-on Meter Model 502 15
4.7 Frequency Measuring Using
Voltage Input
• Turntherotaryrangeswitchtothe range.
• Insertredtestleadtothered"+" input jack
and the black lead to the black "COM" input
jack.
• Bringthetestprobetipsintocontactwiththe
sample under test.
WARNING: Immediately unclamp the
meter from the conductor under test if
overload " " is displayed.
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16 TRMS Clamp-on Meter Model 502
CHAPTER 5
MAINTENANCE
5.1 Warning!
• Remove the test leads on any input before
opening the case.
• Donotoperatetheclamp-onprobewithouta
battery case cover.
• To avoid electrical shock, do not attempt to
performanyservicingunlessyouarequalied
to do so.
• Toavoidelectricalshockand/ordamagetothe
instrument,donotgetwaterorother foreign
agents into the probe.
5.2 Cleaning
• Tocleantheprobe,wipethecasewithadamp
cloth and mild detergent.
• Donotuseabrasivesorsolvents.
• Do not get water inside the case. This may
lead to electrical shock or damage to the
instrument.
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TRMS Clamp-on Meter Model 502 17
5.3 Battery Replacement
The symbol will appear on the LCD display
when the voltage drops below proper operating
range. This indicates that the batteries need to
be changed.
It is recommended to replace both batteries at the
same time.
• The meter must be in the OFF position and
disconnected from any circuit or input.
• Placethemeterfacedownandloosenthe
batterycoverscrewwithaatheadscrew-
driver.
• Replacethebatterieswithtwofresh1.5VAAA
(LR03) batteries.
• Replacethebatterycompartmentcoverand
tighten down the screw.
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