AC Clamp-on Meter Model CM 660 / CM 670 / CM 685
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4.4 AC Voltage Measurement
Automatic measurement ranges: 4 to 600VAC (4 ranges)
• Turn the rotary switch to the range
• Insert the red lead to the red “+” input jack and the black lead to
the black "COM" input jack
• Bring the test probe tips into contact with the test points.
• Take the voltage reading after it stabilizes
Warning:
“-----” indicates that the capacity has been exceeded.