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Description
The Greenlee CM-800 and CM-850 Digital Clamp-on Meters are hand-held testing devices with
the following measurement capabilities: AC and DC voltage, AC current, frequency, and
resistance. They also verify continuity. The CM-850 is a true RMS reading meter.
Specialized functions and capabilities include:
• Auto ranging
• Backlit display
• Auto power off
• Data hold
• MIN MAX hold
• Peak hold
• 42-segment bar graph
Safety
Safety is essential in the use and maintenance of Greenlee tools and equipment. This instruction
manual and any markings on the tool provide information for avoiding hazards and unsafe
practices related to the use of this tool. Observe all of the safety information provided.
Purpose of This Manual
This instruction manual is intended to familiarize all personnel with the safe operation and
maintenance procedures for Greenlee CM-800 and CM-850 Digital Clamp-on Meters.
Keep this manual available to all personnel.
Replacement manuals are available upon request at no charge.
KEEP THIS MANUAL
All specifications are nominal and may change as design improvements occur.
Greenlee Textron shall not be liable for damages resulting from misapplication or misuse of its products.
® Registered: The color green for electrical test instruments is a registered trademark of Greenlee Textron Inc.
Do not discard this product or throw away!
For recycling information, go to www.greenlee.com.