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CM76
AC/DC CLAMP METER
3.15 Frequency & Duty Cycle Measurements
4
4.1
4.2
4.3
4.4
4.5
Repair & Service
4.6
5
Warranty
I
NSTRUCTION
M
ANUAL
16/09/2014 09:22:42
CM76 instruct manual rev2.indd 3
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ALWAYS READ THESE INSTRUCTIONS BEFORE PROCEEDING
Thank you for buying one of our products. For safety and a full
understanding of its benefits please read this manual before use.
Technical support is available from 01923 441717 and
support@martindale-electric.co.uk.
CONTENTS
1
Safety Information
1.1
Meaning of Symbols and Markings
1.2
2
2.1
2.2
2.3
2.4
3
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
1. SAFETY INFORMATION
REMEMBER: SAFETY IS NO ACCIDENT
These instructions contain both information and warnings that are necessary
for the safe operation and maintenance of this product. It is recommended
that you read the instructions carefully and ensure that the contents are
fully understood. Failure to understand and to comply with the warnings and
instructions can result in serious injury, damage or even death.
Particular attention should be paid to the Warnings, Precautions and
Technical Specifications.
Please keep these instructions for future reference. Updated instructions and
product information are available at:
www.martindale-electric.co.uk
1.1
M
eaning of Symbols and Markings
Caution - risk of danger and refer to instructions
Caution - risk of electric shock
Equipment protected by double or reinforced insulation
(Class II)
Application around and removal from hazardous live
conductors is permitted.
Alternating current (AC)
Direct current (DC)
Direct and alternating current
Earth (ground)
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Table of Contents
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Summary of Contents for MARTINDALE CM76
- Page 1 3.11 AC Current Measurements 3.12 DC Current Measurements 3.13 AC Voltage Measurements M76 instruct manual rev2.indd 2 16/09/2014 09:22:42 CM76 instruct manual rev2.indd 3 16/09/2014 09:22:42 3.14 DC Voltage Measurements 1. SAFETY INFORMATION 3.15 Frequency & Duty Cycle Measurements REMEMBER: SAFETY IS NO ACCIDENT 3.16 Resistance Measurements...
- Page 2 2.2 Description Do not use if the battery compartment cover is not fitted. The CM76 is a clamp meter with the following measurement functions: When using test leads, always keep your fingers behind the finger AC & DC current to 400A guard on the test lead probe.
- Page 3 The LCD will display MIN. M76 instruct manual rev2.indd 18 16/09/2014 09:22:44 CM76 instruct manual rev2.indd 19 16/09/2014 09:22:44 Pressing MIN MAX for a third time will return the meter to a normal The backlight and the clamp illumination LED will automatically turn test mode with maximum and minimum measured values being off after 60 seconds.
- Page 4 Frequency and duty cycle can be measured using the Hz/Duty Position the clamp meter so the conductor is central within the input function or when the CM76 is being used to measure AC clamp jaws to obtain the most accurate results.
- Page 5 4.4 Cleaning To reduce the risk of surface leakage, this instrument must This Martindale product is warranted to be free from defects in material be kept in a clean condition. and workmanship under normal use and service. The warranty period is 2 years and begins on the date of receipt by the end user.
- Page 6 Resolution Accuracy 0.01A 2.0% + 6 400A 0.1A Maximum input current: 400A M76 instruct manual rev2.indd 16 16/09/2014 09:22:44 CM76 instruct manual rev2.indd 13 16/09/2014 09:22:43 Specification Specification CM76 CM76 AC/DC Clamp Meter AC/DC Clamp Meter AC Voltage Frequency measurement using AC voltage ranges...
- Page 7 * After zeroing with the relative function. M76 instruct manual rev2.indd 8 16/09/2014 09:22:43 CM76 instruct manual rev2.indd 5 16/09/2014 09:22:42 Specification Check out what else you can get from Martindale: CM76 17th Edition Testers Multifunction Testers AC/DC Clamp Meter Accessories...
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