AEMC 6526 User manual
Megohmmeter
Models 6526, 6532 and 6534
ENGLISH
User Manual
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Copyright © Chauvin Arnoux®, Inc. d.b.a. AEMC®Instruments. All rights reserved.
No part of this documentation may be reproduced in any form or by any means (including electronic storage and retrieval or translation into any other
language) without prior agreement and written consent from Chauvin Arnoux®, Inc., as governed by United States and International copyright laws.
This documentation is provided “as is,” without warranty of any kind, express, implied, or otherwise. Chauvin Arnoux®, Inc. has made every reasonable
in this documentation. Chauvin Arnoux®
of the documentation has been advised of the possibility of such damages.
Chauvin Arnoux®, Inc, AEMC®, and DataView®are registered trademarks of AEMC®Instruments.
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Thank you for purchasing the Megohmmeter Model 6526, 6532, or 6534.
For best results from your instrument:
■Read these operating instructions carefully
■Comply with the precautions for use
WARNING, risk of DANGER! The operator must refer to these instructions whenever this danger symbol
appears
WARNING, risk of electric shock. The voltage applied to parts marked with this symbol may be hazardous
Equipment is protected by double insulation
> 700V
Ground/Earth
Battery
Information or useful tip
Remote test probe
This instrument exceeds regulatory requirements with respect to recycling and reuse
Indicates conformity with European directives, in particular LVD and EMC
Indicates that, in the European Union, the instrument must undergo selective disposal in compliance with Direc
Denition of Measurement Categories (CAT)
■ CAT II
■ CAT III corresponds to measurements on building installations.
■ CAT IV
Example: power feeders and protection devices.
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PRECAUTIONS FOR USE
and installation.
■Carefully read and understand all precautions for use.
■Be aware of all electrical hazards when using this instrument.
■
■The safety of any system in which this instrument is incorporated is the responsibility of the integrator of the
system.
■RMS with respect to ground or
RMS maximum between terminals.
■
■
■Except for voltage measurements, take no measurements on electrically “live” systems.
■Do not use the instrument if it appears damaged, incomplete, or poorly closed.
■Before each use, check the condition of the insulation on the leads, housing, and accessories. Any part on which
the insulation is deteriorated (even partially) must be set aside for repair or scrapping.
■Using the instrument without its battery compartment cover may result in electric shock to the user.
■Before using your instrument, ensure it is completely dry.
■Use only the leads and accessories supplied. The use of leads (or other accessories) of a lower voltage rating or
category limits the use of the instrument/leads (or accessories) combination to the lowest category and service
voltage.
■
■Before removing the battery compartment cover, ensure all measurement leads and accessories are
disconnected. Replace all batteries at once. Use alkaline batteries.
■Use personal protection equipment where appropriate.
■All troubleshooting and metrological checks must be done by competent, accredited personnel.
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Megohmmeter Model 6526/6532/6534
TABLE OF CONTENTS
1. INTRODUCTION .............................................................................................................. 4
1.1 Receiving Your Shipment ........................................................................................................................................
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1.5 Back of Instrument ..................................................................................................................................................
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2. OPERATION................................................................................................................... 12
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ontinuity Measurement ............................................................................................................................
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Megohmmeter Model 6526/6532/6534
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3. TECHNICAL SPECIFICATIONS....................................................................................... 28
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4. DATAVIEW SOFTWARE .................................................................................................. 37
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5. MAINTENANCE AND TROUBLESHOOTING.................................................................... 40
5.1 Maintenance..........................................................................................................................................................
5.1.1 Cleaning .....................................................................................................................................................
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5.5 Limited Warranty ...................................................................................................................................................
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Megohmmeter Model 6526/6532/6534
1. INTRODUCTION
1.1 Receiving Your Shipment
Upon receiving your megohmmeter product package, ensure the contents are consistent with the packing list. Notify your
your distributor at once, providing a detailed description. Save the damaged packing container to substantiate your claim.
Ordering Information:
.............................................................................................................................. Cat. #2155.53
.............................................................................................................................. Cat. #2155.54
.............................................................................................................................. Cat. #2155.55
Shipping Contents:
(1) of the following:
USB Stick with
DataView®Software and User Manual
(1) Soft Carrying Case
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Megohmmeter Model 6526/6532/6534
5
1.2 Accessories
........................................................................................................................................... Cat. #2155.75
........................................................................................................................ Cat. #2118.98
................................................................................................................... Cat. #2118.99
.......................................................................................................................................Cat. #2138.54
1.3 Replacement Parts
...................................................................................................................................... Cat. #2152.05
................................................................................... Cat. #2152.26
1.4 Description
powered by batteries. These instruments can check the safety of electrical installations. For example, they can be used to
discharges (ESD). Features include:
Model 6526 Model 6532 Model 6534
Insulation test voltages
Insulation resistance
Continuity measurement
Resistance measurement
Frequency measurement
Capacitance measurement
Distance measurement
Data storage
Bluetooth communication
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Megohmmeter Model 6526/6532/6534
1.4.1 Model 6526 (Front)
SET-UP
V
OFF
Ω
250V
500V
1000V
MΩ
V
kΩ
MR
-
OFF
Ω
100V
250V
500V
1000V
50V
TEST
HOLD
0
MEGOHMMETER
MODEL 6526
G
nF
µF
M
VDC
AC
k
<
>
ALARM
MEM
DARPI T1T2
k
M mAµA
G VHz
%
G
M
HOLD P
REL
CLR
REL
G
M
VDC
AC
k
M mAµA
G VHz
%
G
M
HOLD P
<
ALARM
1
2
3
4
5
Figure 1
1. Input terminals
2. Blue backlit LCD
3.
4. TEST
5.
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Megohmmeter Model 6526/6532/6534
7
1.4.2 Model 6532 (Front)
SET-UP
V
OFF
Ω
250V
500V
MΩ
V
kΩ
MR
-
OFF
Ω
100V
50V
TEST
HOLD
0
MEGOHMMETER
MODEL 6532
G
nF
µF
M
VDC
AC
k
<
>
ALARM
MEM
DARPI T1T2
k
M mAµA
G VHz
%
G
M
HOLD P
REL
CLR
REL
G
M
VDC
AC
k
M mAµA
G VHz
%
G
M
HOLD P
<
ALARM
1
2
3
4
5
Figure 2
1. Input terminals
2. Blue backlit LCD
3.
4. TEST
5.
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Megohmmeter Model 6526/6532/6534
1.4.3 Model 6534 (Front)
SET-UP
V
OFF
Ω
250V
500V
MΩ
V
kΩ
OFF
Ω
100V
50V
MR
-
OFF
10V
100V
250V
500V
25V
TEST
HOLD
0
MEGOHMMETER
MODEL 6534
G
nF
µF
M
VDC
AC
k
<
>
ALARM
MEM
DARPI T1T2
k
M mAµA
G VHz
%
G
M
HOLD P
REL
CLR
REL
G
M
VDC
AC
k
M mAµA
G VHz
%
G
M
HOLD P
<
ALARM
1
2
3
4
5
Figure 3
1. Input terminals
2. Blue backlit LCD
3.
4. TEST
5.
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Megohmmeter Model 6526/6532/6534
9
1.5 Back of Instrument
1
2
3
4
5
Figure 4
1.
2. Battery compartment cover
3. Mounting magnets, moulded into instrument case
4.
5. Stand
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Megohmmeter Model 6526/6532/6534
1.6 Terminals
> 700V
600V CAT IV
Figure 5
1.7 Function Buttons
In general, each button has two functions. One is marked on the button, and is enabled via a short press. The second func
BUTTON
DESCRIPTION
Selects the , , PI, and DAR
HOLD
SET-UP
0
and
The and buttons allow you to:
■
■
■
∆Rel
MEM
CLR
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Megohmmeter Model 6526/6532/6534
11
1.8 LCD Display
G
nF
µF
M
V
DC
AC
k
<
>
ALARM
MEM
VAR DARPI T1T2
k nF/
km
M mAµA
G VHz
%
G
M
HOLD
REL
P
1
2
3
4
Figure 6
1. Logarithmic bar graph displays insulation measurements
2. Secondary display area
3. Main display area
4. Icons/indicators
When the measured value is below the minimum, the instrument displays - - - - .
displays OL or – OL.
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Megohmmeter Model 6526/6532/6534
2. OPERATION
switch is set to the voltage or an insulation testing position, the instrument measures and displays any voltage present
at the input terminals prior to the user pressing the test button.
2.1 Setting Up the Instrument
2.1.1 Configuration Settings
SET-UP
> 2s
button performs the following functions:
1st press
on
The alarm buzzer is active. To deactivate it:
. On will blink to indicate it is selected.
to change the setting to OFF.
to validate the change.
The
Note that this setting reverts to On when you turn OFF the instrument.
nd press
on
P
Automatic switching to standby mode is activated. To deactivate it:
to select OFF (the setting blinks).
to change the setting to On.
to validate the change.
The
P
Note that this setting reverts to OFF when you turn OFF the instrument.
rd press
on
Displays the instrument model number.
th press
on
5th press
on
Displays the instrument hardware version.
th press
on
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2.1.2 Bluetooth
2.1.3 Alarms
2.1.3.1 Activating/Deactivating the Alarm Function
button activates the alarm. The symbol is displayed, along with the threshold value.
ALARM
<
To turn OFF the alarm buzzer while it is sounding, press the HOLD button.
To deactivate an active alarm function, press the button.
2.1.3.2 Setting an Alarm Threshold
While is displayed indicating the alarm function is active, you can change the alarm threshold by pressing the button
■
■
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Megohmmeter Model 6526/6532/6534
■Insulation:
button while the threshold value is displayed.
button. This symbol indicates the direction
of the alarm threshold: < for a low threshold and > for a high threshold.
button to
change its value.
and buttons to select and change the other digits in the threshold value, as well as the units of
measurement.
button to validate the setting.
2.1.3.3 Viewing Alarms
When the measurement is below a low alarm threshold or above a high alarm threshold, the instrument emits a continuous
audible signal and the LCD indicates the threshold crossed:
by listening, without looking at the display. You can similarly check insulation quality.
2.1.4 ∆REL Function
CLR
REL
To activate this function, take a measurement, and then press the ∆REL button. This measurement becomes
the reference (Rref) and will be stored and subtracted from subsequent measurement values (Rmeas). The
∆REL symbol appears on the LCD while this function is activated.
ALARM
<
M
ALARM
k
M
>
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Megohmmeter Model 6526/6532/6534
15
M
REL
V
G
If the measured value is less than the stored value, the display becomes negative.
) by pressing the button until the % sign
appears:
%
M
REL
G
∆REL. The bar graph continues to display the true
measured value.
To deactivate the ∆REL function, press the ∆REL button or turn the rotary switch to another setting.
2.2 HOLD Function
HOLD
HOLD button freezes the display of the measurement. This can be done in all functions except
, DAR, PI).
To unfreeze the display, press the HOLD button again.
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Megohmmeter Model 6526/6532/6534
2.2.1 Backlighting
0
button turns ON backlighting for the LCD.
To switch it OFF, press the button again. Otherwise, backlighting goes OFF automatically at the end of
one minute.
2.2.2 Standby Mode
After 5 minutes of operation with no user activity, the instrument automatically switches to standby mode. To restore normal
operation, simply press any button. The instrument returns to the state it was in prior to entering standby mode, with no loss
Automatic switching to standby mode is disabled during:
■insulation measurements in mode and in timed mode ( , PI, or DAR).
■continuity measurements, for as long as measurements are made.
2.3 Taking Measurements
2.3.1 Voltage Measurement
To ensure proper and accurate operation of the instrument, we recommend measuring a known voltage (such as an
electrical outlet) before measuring unknown voltages.
1. Set the switch to V or to one of the MΩ positions.
100V
V
kΩ
MR-
OFF
Ω
250V
500V
1000V
50V
MΩ
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Megohmmeter Model 6526/6532/6534
17
V
DC
AC
G VHz
V
DC
AC
G VHz
In the MΩ settings, the s
prohibited.y.
V
If the voltage is >15V, continuity, resistance, and capacitance measurements are prohibited.
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