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Table of Contents
- 1 Important Safety Information
- 2 Safety Alert Symbol
- 3 Parts Identification
- 4 Display Icons
- 5 Symbols on the Unit
- 6 AC Measurement
- 7 Operation
- 8 Settings Table
- 9 Auto Power off
- 10 Typical Measurements
- 11 Accuracy
- 12 Specifications
- 13 Battery Replacement
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Instruction Manual
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Table of Contents
Related Manuals for Greenlee CM-600
Summary of Contents for Greenlee CM-600
- Page 1 INSTRUCTION MANUAL CM-600 • CM-650 CLAMP-ON METERS Read and understand all of the instructions and safety information in this manual before operating or servicing this tool. 999 4555.0 © 2001 Greenlee Textron IM 1520 REV 1 9/01...
- Page 2 In addition, the CM-650 is a true RMS reading meter. Safety Safety is essential in the use and maintenance of Greenlee tools and equipment. This manual and any markings on the tool provide information for avoiding hazards and unsafe practices related to the use of this tool.
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Page 3: Important Safety Information
Hazards or unsafe practices which, if not avoided, MAY result in injury or property damage. Read and understand this material before operating or servicing this equipment. Failure to understand how to safely operate this tool can result in an accident causing serious injury or death. SAFETY ALERT SYMBOL CM-600 • CM-650... - Page 4 Important Safety Information Electric shock hazard: Contact with live circuits can result in severe injury or death. Electric shock and fire hazard: • Do not expose this unit to rain or moisture. • Use this unit for the manufacturer’s intended purpose only, as described in this manual.
- Page 5 Set the selector and connect the test leads so that they correspond to the intended measurement. Incorrect settings or connections can result in a blown fuse. Using this unit near equipment that generates electromagnetic interference can result in unstable or inaccurate readings. CM-600 • CM-650...
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Page 6: Parts Identification
Identification Display Selector Lever Hold button COM terminal V- terminal Battery Cover Battery Cover Screw Display Icons Hold function is enabled. 11. — Polarity Indicator Low Battery 13. l Overload Indication Symbols on the Unit Read the instruction manual Double Insulation Battery Front Back... -
Page 7: Ac Measurement
The ability to read true RMS provides much more measurement versatility. The Greenlee CM-650 is a true RMS meter. The Waveforms and Crest Factors table shows some typical AC signals and their RMS values. -
Page 8: Operation
• If the unit does not function as expected on a known functioning circuit, replace the battery. • If the unit still does not function as expected, send the unit to Greenlee for repair. Take the reading from the circuit to be tested. -
Page 9: Typical Measurements
Typical Measurements Clamp Around Wire Clamp Around Line Splitter Notes: • The Greenlee 93-30 Line Splitter is divided. One section renders amps; the other renders amps multiplied by 10. • Close the jaw completely. • Center the line splitter in the jaw for highest accuracy. -
Page 10: Accuracy
Threshold: Tone sounds if the measured resistance is less than approximately 50 , and turns off when greater than approximately 300 . For the CM-600, AC accuracy is specified for sine waves only. For the CM-650, accuracy specification applies for waveforms with crest factors less than 2. -
Page 11: Specifications
Remove the battery cover screw. Remove the battery cover. Replace the battery (observe polarity). Replace the cover and screws. Cleaning Periodically wipe the case with a damp cloth and mild detergent; do not use abrasives or solvents. CM-600 • CM-650... - Page 12 Lifetime Limited Warranty Greenlee warrants to the original purchaser of these goods for use that these products will be free from defects in workmanship and material for their useful life, excepting normal wear and abuse. This warranty is subject to the same terms and conditions contained in Greenlee’s standard one-year limited warranty.