Kyoritsu Electrical Instruments Works, Ltd. KEW 6305 Installation guide

Quick Manual
DIGITAL POWER METER
KEW 6305
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−1 −KEW6305
KEW6305
Preface
●Preface
This Quick manual is a simplified version of the full instruction manual which can be found in the supplied
CD-ROM. This manual is intended only as a handy reference guide and should only be used
after having read the full instruction manual which contains full details on each function of this
instrument and the items contained in the package.
●Precautions
The instruction manual (full manual) contains warnings and safety procedures which have to be
observed to ensure safe operation of the instrument and maintain it in a safe condition. Thus,
these operating instructions have to be read prior to using the instrument.
Contents
1. Instrument Overview ······························································································································ 2
2. Instrument Layout ··································································································································4
3. Preparations ··········································································································································· 7
4. Set-up: SET UP Range ······················································································································9
5. Measurement Ranges ·························································································································13
6. Instantaneous value Measurement: W Range···············································································14
7. Integration value Measurement: Wh Range ···················································································18
8. Demand Measurement: DEMAND Range ·······················································································21
9. SD card/ Saved data ··························································································································24
10. Wiring check: WIRING CHECK Range··························································································27
11. Data check: DATA CHECK Range ···································································································29
The latest software can be downloaded from our web site.
http://www.kew-ltd.co.jp
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KEW6305
KEW6305
Instrument Overview
1. Instrument Overview
Features
This is a digital Power meter that can be used for various wiring systems and can measure up to 3
systems on single-phase 2-wire circuit. That is, this instrument does the jobs of three just by one. It can be
used for measurements of instantaneous, integration and also demand values.
Measured data can be saved in SD card or the internal memory, and the data can be transmitted to PC via
USB. Measured data can be checked on android devices in real-time by using Bluetooth function.
Safety construction
Designed to meet the international safety standard IEC 61010-1 CAT.III 600V
Wiring configration
KEW6305 supports: Single-phase 2-wire, Single-phase 3-wire, Three-phase 3-wire and Three-phase
4-wire
Measurement and calculation
KEW6305 measures voltage (RMS), current (RMS), active power, frequency and calculates reactive/
apparent power, power factor, neutral current (Three-phase 4-wire only) and active/ reactive/
apparent energy.
Demand measurement
Electricity consumption can be easily monitored so as not to exceed the target maximum demand
values.
Saving data
Instantaneous values can be saved every time pressing the
W
SAVE
Key. Integration and demand
values can be saved for various periods from 1 second up to 1 hour. The maximum, minimum and
average values of instantaneous values during each cycle can also be saved.
Dual power supply system
KEW6305 operates either with an AC power supply or with batteries. In the event of interruption,
while operating with an AC power supply, power to the instrument is automatically restored by the
batteries in the instrument.
Large display
Up to 3 measured items can be displayed on the large screen simultaneously.
(e.g. voltage, current and active power)
Backlight
Backlight to facilitate working in dimly illuminated areas
Light & compact design
Clamp sensor type, compact and light weight design
Application
Data in the internal memory and in SD card can be transferred to PC using USB connection or SD
slot. The supplied PC software application enables easy settings of the instrument and analysis
of the saved data from PC, moreover, can synchronize recording intervals and internal clocks of
two KEW6305 to perform synchronous measurement. Measured data can be checked on android
devices in real-time via Bluetooth communication.
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−3 −KEW6305
KEW6305
Functional Overview
Functional Overview
SET UP
Configures KEW6305 and makes settings for
measurements.
DATA CHECK
Displays the saved data on the LCD.
See (Section 11) “Data Check” for further
details.
WIRING CHECK
Performs a check for proper connection.
See (Section 10) “Wiring check” for further details.
[W] Instantaneous value measurement
Measures average, max, min values of instantaneous
values of current, voltage and electric power.
See (Section 6) “Instantaneous value measurement”
for further details.
[Wh] Integration value measurement
Measures active/apparent/reactive powers on
each CH.
See (Section 7) “Integration value measurement”
for further details.
[DEMAND] Demand value measurement
Measures demand values based on the preset
target values.
See (Section 8) “Demand measurement” for
further details.
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KEW6305
KEW6305
Instrument Layout
2. Instrument Layout
Front view
Display
（LCD）
Keys
Status indicator LED
Green
Light up: Recording&
Measuring
Blink: Stand-by
Red Light up: Recording error
START/ STOP
Key
START
/STOP
Start/stop integration &
demand measurements
Backlight
Key
Turn on/off the LCD
backlight
Cursor
Key
Select settings,
switch screens
ENTER
Key
ENTER
Confirm entries
Function Switch W SAVE
Key
ESC
/
RESET
Key
Power on/ off, select
Measurement range.
W
SAVE
Save measured
instantaneous values
ESC
Cancel setting change
or clear integration/
demand data selected
with
Cursor
Key
DATA HOLD
/
KEY LOCK
Key
DATA
HOLD
Freeze the readings on the LCD.
* Measurement is being performed while the readings are
being fixed.
A long press (2 sec or longer) disables all Keys (except for
Backlight Key) to prevent operational errors in recording.
Another long press (2 sec or longer) can restore the disabled
Keys.
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−5 −KEW6305
KEW6305
Connector
Connector
SD Card Cover USB Port Cover SD Card Slot USB Port
SD Memory Card
Voltage Input Terminal
(VN, V1, V2, V3)
Power Connector
Current Input Terminal
(A1, A2, A3)
Terminal Cover
< When the Connector Cover is opened >
< When the Connector Cover is closed >
Units
Phase No.
Wiring system Voltage range Current range
Side face
Symbols displayed on the LCD
< All symbols >
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−6 −
KEW6305
KEW6305
Symbols displayed on the LCD
< Symbols appear to show the state of the instrument or measurement >
Symbol Description
Keys are being locked.
Preset voltage value is exceeded.
Preset current value is exceeded.
Operating with AC power supply.
Operating with batteries.
Data hold function is active.
SET UP Range is selected.
WIRING CHECK Range is selected.
Blinks while instantaneous value is being displayed on the LCD.
Blinks while integration value is being displayed on the LCD.
Blinks while demand value is being displayed on the LCD.
Capacity of SD card or internal memory is full.
DATA CHECK Range is selected.
Data can be saved in the SD card.
* Blinks while saving data.
USB cord is connected to the terminal.
* Blinks during data communication.
Using Bluetooth communication.
Data can be saved in the internal memory.
* Blinks while accessing to the memory.
VT ratio is set to other than1.
CT ratio is set to other than1.
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−7 −KEW6305
KEW6305
Preparations
3. Preparations
Battery
KEW6305 operates either an AC power supply or batteries. Capable of performing measurements in an
event of AC power interruption, power to the instrument is automatically restored by the batteries installed
in the instrument. Size AA alkaline dry-cell batteries (LR6) can be used.
If an AC power supply is interrupted and batteries have not been installed, the instrument will be powered
off and the measuring data may be lost.
Indication on screen
Symbol of power supply displayed on each measurement screen changes as follows.
< During AC power supply operation > < During battery operation >
AC power supply symbol ( ) appears. Battery symbol ( ) appears.
●Battery condition
Battery symbol changes as follows depending on battery condition.
Battery operating time
For approx. 15 hours, with new alkaline batteries.
* It is reference time and will be shortened if using the backlight or
Bluetooth function.
Batteries are exhausted.
(Accuracy of readings cannot be guaranteed.)
Depending on the states of measurement, instrument operates as
follows automatically.
* while saving instantaneous value data (Files are opened.)
-> Close the open files. (Data will be saved.)
* while measuring integration/ demand values
-> Force-quit measurements. (Data will be saved.)
How to install batteries
Install batteries in correct polarity as marked inside.
Remove all the batteries if the instrument is to be stored and will not be in use for a long period.
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−8 −
KEW6305
KEW6305
Cord connection
Cord connection
Start-up screen
KEW6305 will be powered on when setting the Function switch to any position other than OFF.
All of the LCD segments will be displayed first, and then model name with version information.
After that, stand-by screen for the selected range will be displayed.
Upon powering on the instrument, self-check routine initiates automatically. Stop using the instrument if
error message appear on the LCD after self-check and refer to (Section 15) Troubleshooting in the full
instruction manual.
Match the
arrow marks.
Rated supply voltage : 100 - 240VAC(±10%)
Rated supply frequency : 45 - 65Hz
Max power consumption : 10VAmax
Voltage test lead
Power cord
Clamp sensor
Error No. (001 – 063)
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−9 −KEW6305
KEW6305
Set-up: SET UP Range
4. Set-up: SET UP Range
Set the Function switch to SET UP Range for making various settings.
Settings listed below can be changed. (27 items in total)
List of setting items
Setting Setting no./ item Symbol Details
Basic
setting
01 Wiring system 1P2W(1ch)/ 1P2W(2ch)/ 1P2W(3ch)/
1P3W/ 3P3W/ 3P3W3A/ 3P4W
02 Voltage range 150/ 300/ 600V
03 Clamp sensor 50/ 100/ 200/ 500/ 1000/ 3000A type
04 Current range -
03
Sensor Range
50A 1/5/10/25/50A/AUTO
100A 2/10/20/50/100A/AUTO
200A 4/20/40/100/200A/AUTO
500A 10/50/100/250/500A/AUTO
1000A 20/100/200/500/1000A/AUTO
3000A 300/1000/3000A
05 VT ratio 0.01 - 9999.99 (can be set by 0.01)
06 CT ratio 0.01 - 9999.99 (can be set by 0.01)
Time&
Buzzer
07 Date and time Year:Month:Day:Hour:Minute:Second
08 Buzzer ON / OFF
Measure-
ment
09 Recording interval 1/ 2/ 5/ 10/ 15/ 20/ 30 sec./
1/ 2/ 5/ 10/ 15/ 20/ 30 min./ 1 hour
10 Specific time period
rec. or endless rec.
ON: Specifying start/ stop time
(repeatedly recorded)
OFF : Record the data continuously
11*1 Time period setting
Time setting
Start and stop time
(Year:Month:Day:Hour:Minute:Second)
12*1 Time period setting
Date setting Year:Month:Day:Hour:Minute:Second
13*2 Start of continuous
measurement Year:Month:Day:Hour:Minute:Second
14*2 End of continuous
measurement Year:Month:Day:Hour:Minute:Second
15 Target demand Value : 0.1 - 999.9
Unit: W/kW/MW/GW/VA/kVA/MVA/GVA
16 Demand measure-
ment cycle
NO/ 10/ 15/ 30 min
* Demand measurement will not be
performed whenNOhas been
selected.
17 Demand warning
cycle
1/2/5 min. when measurement cycle is
10or15 min., 1/2/5/10/15 min. when
measurement cycle is 30 min.
*1 : Setting 11& 12 can be changed only when Setting 10 has been set toON.
*2 : Setting 13& 14 can be changed only when Setting 10 has been set toOFF.
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KEW6305
KEW6305
Set-up: SET UP Range
Setting Setting no./ item Symbol Details
SD card/
Internal
memory
18 Available space in
SD card
Show the available space in the installed
SD card in percentage.
19 SD card Format ON(Format)/ OFF(Not format)
20 Available space in
Internal memory
Show the available space in the internal
memory in percentage.
21 Internal memory
Format ON(Format)/ OFF(Not format)
Others
22 System reset ON(Reset)/ OFF(Not reset)
23 ID number - Designate ID no. (00-001 - 99-999)
24 Setting read Save no.: 01 - 20
25 Setting save Save no.: 01 - 20
26 Bluetooth ON/ OFF
27 V/A Range Auto-
switching ON/ OFF
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−11 −KEW6305
KEW6305
Setting procedure
4-1. Setting procedure
STEP1
Set the Function Switch to SET UP Range. (to show the Set-up screen)
STEP2
Use the Cursor keys and switch the Setting items with Setting no. 01 to 27.
(Up) (Right)
for increasing numbers,
(Left)(Down)
for decreasing numbers.
STEP3
Press on the desired Setting no..
(corresponding setting item starts blinking and enters into the setting change mode.)
STEP4
Use the Cursor keys and change settings.
Item no.
Set-up screen
3P3W (default setting)
3P4W 1P2W(1ch)
1P3W 1P2W(3ch) 1P2W(2ch)
< Example >
3P3W3A
or
or
Setting no. “01”, Setting Item “Wiring system”:
Setting: Select any one of 1P2W(1ch)/1P2W(2ch)/1P2W(3ch)/1P3W/3P3W/3P3W3A/3P4W.
STEP5
Confirm the changed setting.
STEP5
Cancel the change.
(Press .) (Press .)
Setting completes. Go to STEP 2 for the other settings.
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KEW6305
KEW6305
Wiring system
4-2. Wiring system
Orientation of Clamp sensor
Power
supply
Arrow mark:
Point towards
load side
Load
Reverse clamping switches the symbols (+/-)
for active power (P).
1P3W
A1
V1
VN
V2
L1
N
L2
L1
L1
N
L2
Load
1
1P3W
A2
A2
L
N
L
N
L
N
L
N
A1
V1
VN
A3
Load
1
Load
2
Load
3
1P2W(2ch)
1P2W(3ch)
1P2W(1ch)
Power
supply
Power
supply
V2 A3
V1
V3
A1
A2
L1(R) L1(R)
L2(S)
L3(T)
Load
3P3W
3P3W3A
VN
V2
V1
A1
A2
L1(R)
L2(S)
L3(T)
L1(R)
L2(S)
L3(T)
Load
1
3P3W
3P3W
Power
supply
Power
supply
V3
3P4W
VN
V2 A3
V1
A1
A2
L1(R)
L2(S)
N
L1(R)
L2(S)
L3(T)
N
Load
3P4W
Power
supply
L3(T)
L3(T)
L2(S)
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−13 −KEW6305
KEW6305
Measurement Ranges
5. Measurement Ranges
KEW6305 can perform the following three different measurements.
(a) Instantaneous value measurement (W Range)
(b) Integration value measurement (Wh Range)
(c) Demand measurement (DEMAND Range)
Select a desirable Range according to the steps below.
1. Set the Function Switch to W/ Wh/ DEMAND Range.
Set the switch to W/ Wh/ DEMAND position.
2. Select a Range
Any one of following symbols blinks on the LCD to show which Range has been selected.
e.g.: When Wh Range is selected, symbol blinks.
(a) Selecting WRange
(1) Use the Keys and select theWsymbol on the LCD.
(2) Then use the Keys to switch screens (1- 3) to be displayed.
Screen 1 -symbol blinks on the top
Screen 2 -symbol blinks on the middle
Screen 3 -symbol blinks on the bottom
(b) Selecting Wh or DEMAND Range
(1) Use the Keys and select the symbol while the Function switch is at the W
Range position.
(2) Press the Keys and select the Wh or DEMAND Range.
(Selecting eitherWhorDEMANDRange is impossible unless symbol is not selected.)
(3) Use the Keys and switch the displayed contents.
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KEW6305
KEW6305
Instantaneous value Measurement: WRange
6. Instantaneous value Measurement: WRange
6-1. Steps for measurement
Ensuring your safety
↓
Preparation for measurement
↓
Setting
↓
Wiring
↓
Instantaneous value measurement
●Parameters for WRange
Parameters to be displayed on the LCD Unit
Voltage
(RMS)
V : average voltage of each phase
Vi : voltage of each phase V
Current
(RMS)
A : average current of each phase
Ai : current of each phase A
Active
power
P : total active power Pi : active power of each phase
Polarity :+ (no sign) consumption
- (minus) regenerating
W
Reactive
power
Q : total reactive power Qi : reactive power of each phase
Polarity :+ (no sign) lagging phase
- (minus) leading phase
Var
Apparent
power S : total apparent power Si: apparent power of each phase VA
Power
factor
PF : power factor of whole system PFi : power factor of each phase
Polarity :+ (no sign) lagging phase
- (minus) leading phase
PF
Frequency f : frequency of V1 Hz
Neutral
current In : current on neutral line (3P4W only) An
* i = 1, 2, 3
SET UP Range
Basic setting Measurement setting
Setting 01Wiring system
Setting 02Voltage range
Setting 03Clamp sensor
Setting 04Current range
Setting 05VT ratio (if necessary)
Setting 06CT ratio (if necessary)
Range
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−15 −KEW6305
KEW6305
Selecting/switching display contents
6-2. Selecting/switching display contents
Three parameters (max) can be displayed in one screen. (In the example 1-A below, V, A and P are
displayed.) Display screen will be different depending on wiring systems.
●e.g. For Three-phase 4-wire3P4W(16 screens):
Screen 1-A
A B C D E F G H
1
Blink
(Screen) (1-A) (1-B) (1-C) (1-D)
−−−
Top V
A
P
V1
A1
P1
V2
A2
P2
V3
A3
P3
Middle
Bottom
2
Blink
(Screen) (2-A) (2-B) (2-C) (2-D)
−−−
Top P
S
PF
P1
S1
PF1
P2
S2
PF2
P3
S3
PF3
Middle
Bottom
3
Blink
(Screen) (3-A) (3-B) (3-C) (3-D) (3-E) (3-F) (3-G) (3-H)
Top V1
V2
V3
A1
A2
A3
P1
P2
P3
PF1
PF2
PF3
S1
S2
S3
Q1
Q2
Q3
f
In
−
VL12
VL23
VL31
Middle
Bottom
* Screen 1-A is displayed after powering on the instrument.
* Use or Key to switch screens listed above in a horizontal direction.
(from 1-A to 1-D, 2-A to 2-D and 3-A to 3-G)
* Use or Key to switch screens listed above in a vertical direction. (from 1-A to 3-A only)
On any of screens 1-B to 1-D, press to switch screen to 3-A or to switch screen to 2-A.
On any of screens 2-B to 2-D, press to switch screen to 1-A or to switch screen to 3-A.
On any of screens 3-B to 3-G, press to switch screen to 2-A or to switch screen to 1-A.
* Phase no.❶,❷,❸will be displayed on the LCD.
(e.g.: On screen 1-B, only one Phase no. symbol❶is displayed and on screen 3-A all Phase no.
symbols❶,❷,❸are displayed. However, none of them is displayed on screen 1-A, 2-A and 3-G.)
* Screen 3-A shows Phase voltage and Screen 3-H Line voltage.
Top : V
Middle : A
Bottom : P
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KEW6305
KEW6305
Selecting/ switching display contents
●For the other wiring systems:
Screens can be switched in the same way as described in the previous page.
WIRING Screen A B C D E F G
3P3W3A
1
Top V(avg) V1 V2 V3
−−−Middle A(avg) A1 A2 A3
Bottom P P1 P2 P3
2
Top P P1 P2 P3
−−−Middle S S1 S2 S3
Bottom PF PF1 PF2 PF3
3
Top V1 A1 P1 PF1 S1 Q1 f
Middle V2 A2 P2 PF2 S2 Q2 −
Bottom V3 A3 P3 PF3 S3 Q3 −
3P3W
1
Top V(avg) V1 V2
−−−−Middle A(avg) A1 A2
Bottom P P1 P2
2
Top P P1 P2
−−−−Middle S S1 S2
Bottom PF PF1 PF2
3
Top V1 A1 P1 PF1 S1 Q1 f
Middle V2 A2 P2 PF2 S2 Q2 −
Bottom −−−−−−−
1P3W
1
Top V(avg) V1 V2
−−−−Middle A(avg) A1 A2
Bottom P P1 P2
2
Top P P1 P2
−−−−Middle S S1 S2
Bottom PF PF1 PF2
3
Top V1 A1 P1 PF1 S1 Q1 f
Middle V2 A2 P2 PF2 S2 Q2 −
Bottom −−−−−−−
1P2W (3ch)
1
Top V V V V
−−−Middle A(avg) A1 A2 A3
Bottom P P1 P2 P3
2
Top P P1 P2 P3
−−−Middle S S1 S2 S3
Bottom PF PF1 PF2 PF3
3
Top V1 A1 P1 PF1 S1 Q1 f
Middle −A2 P2 PF2 S2 Q2 −
Bottom −A3 P3 PF3 S3 Q3 −
1P2W (2ch)
1
Top V V V
−−−−Middle A(avg) A1 A2
Bottom P P1 P2
2
Top P P1 P2
−−−−Middle S S1 S2
Bottom PF PF1 PF2
3
Top V1 A1 P1 PF1 S1 Q1 f
Middle −A2 P2 PF2 S2 Q2 −
Bottom −−−−−−−
1P2W (1ch)
1
Top V
−−−−−−Middle A
Bottom P
2
Top P
−−−−−−Middle S
Bottom PF
3
Top V A P PF S Q f
Middle −−−−−−−
Bottom −−−−−−−
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−17 −KEW6305
KEW6305
Data saving
6-3. Data saving
Instantaneous values ( WRange) can be saved by manual operation only.
[Saving procedure]
(1) File no. screen is displayed and data will be saved when pressing the Key during a measurement
at WRange.
Screen at WRange File no. screen Screen at WRange
(2) Another press of Key saves another data in the preceding file.
(In this case, File no. is not displayed but the buzzer sounds likepi.)
File no.
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−18 −
KEW6305
KEW6305
Integration value measurement: Wh Range
7. Integration value Measurement: Wh Range
7-1. Steps for measurement
Ensuring your safety
↓
Preparation for measurement
↓
Setting
↓
Wiring
↓
Integration value measurement
●Parameters for Wh Range
Parameters to be displayed on the LCD Unit
Active
energy
(consumption)
WP : Total active energy
WP1/WP2/WP3 : Active energy of each phase Wh
Apparent
energy
(consumption)
WS : Total apparent energy
WS1/WS2/WS3 : Apparent energy of each phase VAh
Integration
elapsed time
TIME : Hour; Min.; Sec.
Hour; Min.
Hour
---
SET UP Range
Basic Setting Measurement setting
Setting 01Wiring systemSetting 09Recording interval
Setting 02Voltage range
Setting 10Specifying rec. period or endless rec.
Setting 03Clamp sensor Setting 11Time period setting Time setting
Setting 04Current range Setting 12Time period setting Date setting
Setting 05VT ratio
(if necessary)Setting 13Start of continuous measurement
Setting 06CT ratio
(if necessary)Setting 14End of continuous measurement
Range
www. .com [e-mail]1.800.561.8187
All manuals and user guides at all-guides.com

−19 −KEW6305
KEW6305
How to start/ stop measurement
Start measure-
ment
LEDLED blinks
Stand-by
mode
7-2. How to start/ stop measurement
●To start/ stop measurement manually ●To start/ stop measurement at the preset date&time
Hold down the
START
/STOP
Key for
over 2 sec.
Wh Range
Configure the settings forSetting 10/
11/12, and then press the
START
/STOP
Key.
File no. screen is displayed for about 2 sec.
- Manual operation : Pressing the
START
/STOP
Key starts measurement anytime.
- Automatic operation : KEW6305 enters into stand-by mode and wait until the
preset start time comes.
The Status indicator LED blinks when the instrument is in stand-by mode and it
stays on when measurement starts.
* Display is updated every 1 sec.
* Data will be saved at the interval selected atSetting 09.
* While performing measurement, select the WRange to view
instantaneous values and the SET UP Range to check the
details of settings.
Manual operation
Hold down the
START
/STOP
Key for over
2 sec.
Automatic operation
Measurement stops automatically
when the preset date& time comes.
The status indicator LED goes off when measurement stops (or file is closed).
* When the destination to save data has been set to the internal memory,symbol is displayed
on the screen instead ofsymbol.
Integration values remain displayed on the LCD when measurement ends.
Press the
ESC
Key at least 2 sec to selectdELand clear the display if the displayed values will not
be used in further measurements.
LED lights up
Measuring
Stop measurement
www. .com [e-mail]1.800.561.8187
All manuals and user guides at all-guides.com