AEMC instruments MR525 Manuel utilisateur
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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.
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TABLE OF CONTENTS
1. INTRODUCTION ................................................................................ 6
1.1 PRECAUTIONS FOR USE ........................................................ 7
1.2 RECEIVING YOUR SHIPMENT................................................ 8
1.3 ORDERING INFORMATION ..................................................... 8
1.3.1 Replacement Parts/Accessories......................................... 8
2. PRODUCT FEATURES...................................................................... 9
2.1 DESCRIPTION ........................................................................... 9
2.2 INTERFACE.............................................................................. 10
3. OPERATION ..................................................................................... 11
3.1 BATTERY INSTALLATION ...................................................... 11
3.2 EXTERNAL POWER (OPTIONAL) ......................................... 11
3.3 TURNING ON THE INSTRUMENT ......................................... 12
3.4 AUTO STANDBY ...................................................................... 12
3.5 DC ZERO ADJUSTMENT ........................................................ 12
3.6 MEASUREMENTS ................................................................... 13
3.6.1 Making a Measurement.................................................... 13
3.6.2 Converting to Current ....................................................... 13
4. SPECIFICATIONS............................................................................ 14
4.1 REFERENCE CONDITIONS................................................... 14
4.2 ELECTRICAL SPECIFICATIONS ........................................... 14
..................... 14
................... 16
4.3 ELECTRICAL SPECIFICATIONS, 10 MV/A SENSITIVITY
(MR526)........................................................................................... 17
4.4 OPERATING LIMITS................................................................ 20
4.5 VARIATIONS IN THE RANGE OF USE.................................. 21
4.6 POWER SUPPLY ..................................................................... 21
4.7 ENVIRONMENTAL CONDITIONS .......................................... 22
4.8 MECHANICAL SPECIFICATIONS.......................................... 23
4.8.1 Housing Protection ........................................................... 23
4.9 INTERNATIONAL STANDARDS ............................................. 23
4.10 ELECTROMAGNETIC COMPATIBILITY.............................. 23
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5. MAINTENANCE................................................................................ 24
5.1 CLEANING................................................................................ 24
5.2 BATTERY REPLACEMENT..................................................... 24
5.3 REPAIR AND CALIBRATION .................................................. 25
5.4 TECHNICAL AND SALES ASSISTANCE ............................... 25
5.5 LIMITED WARRANTY.............................................................. 26
5.5.1 Warranty Repairs.............................................................. 26
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Current Probe MR525 & MR526 7
1.1 PRECAUTIONS FOR USE
These instructions are intended to ensure the safety of users and proper
operation of the instrument. This instrument is compliant with the IEC 61010-
2-032 or BS EN 61010-2-032 safety standards for voltages of 300 V in
measurement category IV or 600 V in category III.
explosion, and destruction of the instrument and installations.
The operator and/or responsible authority must read and understand the
various precautions to take when using the instrument.
Do not use the instrument on networks that exceed the instrument’s
Observe the environmental conditions of use, including relative humidity,
altitude, degree of pollution, and location of use.
Do not use the instrument if it appears to be damaged, incomplete, or
improperly closed.
Before each use, check the condition of the insulation on the leads, housing,
and accessories. Any component with deteriorated insulation (even partially)
must be set aside for repair or scrapping.
Use suitable personal protective equipment when appropriate.
All troubleshooting and metrological checks must be performed by competent
and accredited personnel.
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8Current Probe MR525 & MR526
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
distributor at once with a detailed description of any damage. Save the damaged
packing container to substantiate your claim.
1.3 ORDERING INFORMATION
AC/DC Current Probe Model MR525............................................. Cat. #1200.81
Includes 9 V battery, multi-language safety data sheet, and user manual.
AC/DC Current Probe Model MR526............................................. Cat. #1200.83
Includes 9 V battery, multi-language safety data sheet, and user manual.
Cable – 6 ft USB type A to Micro type B ........................................... Cat. #2138.66
Adapter – US Wall plug to USB........................................................ Cat. #2153.78
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Current Probe MR525 & MR526 9
2. PRODUCT FEATURES
2.1 DESCRIPTION
The Models MR525 and MR526 are clamp-on current probes that measure
DC currents up to 1400 A, AC currents up to 1000 A (1400 A ), and
combined AC+DC currents without opening the circuit. They indicate the shape
and amplitude of the current measured in the form of a voltage.
These instruments can be used with a multimeter, wattmeter, recorder, and other
instruments. They can be powered by a battery or with 5 V via the optional
micro-USB cable.
The MR525 and MR526 include the following features:
Range overage indicator
Power supply indicator
Zero adjustment
Auto Standby feature
One or two ranges, depending on the model
• 1 mV/A (MR525 and MR526)
• 10 mV/A (MR526 only)
Micro-USB connector for an external power supply
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10 Current Probe MR525 & MR526
2.2 INTERFACE
Figure 1 (MR526 shown)
Item
1 Fixed jaw (does not move when the trigger is pressed)
2 Banana plugs (4 mm)
3
4DC Zero button
5OL (overload) and ON indicators. ON is green when Auto Standby is enabled,
and it is yellow when disabled.
6
P (Permanent mode) indicator. Hold down the DC Zero button while turning
ON the instrument enables Permanent mode. In this mode, Auto Standby is
disabled (see § 3.4).
7 Slide switch (2-position for MR525, 3-position for MR526)
8 USB port
9 Trigger
10 Hand guard
11 Mobile jaw (moves when the trigger is pressed)
1
3
4
5
6
7
8
11
10
9
2
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