IDEAL 660A TRMS 61-763 Instruction Manual

660A TRMS Clamp Meters
w/TightSight™ Display
Instruction Manual
TightSight™ Display
#61-763
#61-765
Understand and follow operating instructions carefully. Use the meter only as specified in
this manual; otherwise, the protection provided by the meter may be impaired.
To avoid possible electric shock, personal injury or death, follow these guidelines:
• Do not use if meter appears damaged. Visually inspect the meter to ensure case is not
• Inspect and replace leads if insulation is damaged, metal is exposed, or probes are
• Do not use meter if it operates abnormally as protection maybe impaired.
• Do not use during electrical storms or in wet weather.
• Do not use around explosive gas, dust, or vapor.
• Do not apply more than the rated voltage to the meter.
• Do not use without the battery and the back case properly installed.
• Replace battery as soon as battery indicator
• Remove the test leads from the circuit prior to removing battery cover.
• Do not attempt to repair this unit as it has no user-serviceable parts.
CAUTION
To protect yourself, think "Safety First":
• Voltages exceeding 30VAC or 60VDC pose a shock hazard so use caution.
• Use appropriate personal protective equipment such as safety glasses, face shields,
• Before each use:
• Use the proper terminals, functions and range for your measurements.
• Never ground yourself when taking electrical measurements.
• Connect the black common lead to ground or neutral before applying the red test lead to
• Always work with a partner.
• When using the probes, keep fingers as far behind the probe tips as possible.
600 1000
V V
Read First: Safety Information
WARNING
cracked and back case is securely in place.
cracked. Pay particular attention to the insulation surrounding the connectors.
insulating gloves, insulating boots, and/or insulating mats.
- Perform a continuity test by touching the test leads together to verify the
functionality of the battery and test leads.
- Use the 3 Point Safety Method. (1) Verify meter operation by measuring a known
voltage. (2) Apply meter to circuit under test. (3) Return to the known live voltage
again to ensure proper operation.
potential voltage. Disconnect the red test lead from the voltage first.
appears to avoid false readings.
2