Owners Manual

2
Description
The Greenlee CM-660, CM-860, CM-960, CMH-600, and CMI-600 Clamp Meters are
hand-held testing devices with the following measurement capabilities: AC and DC
voltage, AC current, AC current AmpTip™, frequency, non-contact electric field (EF)
detection, and resistance. They also check diodes and verify continuity. These meters
are designed to be placed on or removed from insulated or uninsulated conductors.
Additional functionality specific to each model includes:
Function CMI-600 CM-960 CMH-600 CM-860
AC + DC Voltage • •
DC Current AmpTip™ • •
DC + AC Current AmpTip™ • •
DC Current • •
µDC Current • •
Temperature (K-style
thermocouple)
• •
Motor Rotation • •
Phase Rotation • •
Peak RMS Capture • • •
Capacitance • • • •
Backlight • • • •
Zero Mode • • • •
Other capabilities include:
• Hold Mode to capture the present LCD value
• Record Minimum, Maximum, or Average Mode
• Intelligent Auto Power Off
• Automatic ranging
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 the Greenlee CM-660, CM-860, CM-960, CMH-600,
and CMI-600 Clamp Meters.
Keep this manual available to all personnel. Replacement manuals are available upon
request at no charge at www.greenlee.com.