Clamp-on Meter Models 670 and 675 234.9 Frequency Measurement UsingVoltage Input• Turn the rotary range switch to the range andpress the DISPLAY button.• Insert red test lead to the red "+" input jack and theblack lead to the black "COM" input jack.• Bring the test probe tips into contact with the sampleunder test.WARNING: Immediately disconnect the meterif overload “ ” is displayed.DISPLAYMIN MAXPEAKHOLDDUAL TRMS DISPLAY1000A1000V CAT III600V CAT IV1000VCAT IIIMODEL 670TRMS CLAMP METER
