RIDGID Micro CM-100, Original Instructions Manual

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Input Terminals
The black test lead plugs into the negative (COM) terminal and the red test lead plug the
positive terminal. The Transformer Jaw Clamp is used for DC/AC current measurement.
Figure 7 – Input Terminals
Pushbuttons
Mode Button
The Mode Button is used to select Ohms/Diode/Continuity, DC/AC Current and Voltage,
Degrees F/C in the appropriate rotary switch settings.
1. In Current measurement function, pressing the Mode button will select the AC range
from the default DC range.
2. In Voltage/Frequency measurement function, pressing the Mode button once will
select the AC range from the default DC range. If the button is pressed for 3 seconds,
the meter will enter Frequency measurement function.
3. In Resistance/Diode/Continuity function, pressing the Mode button will change from
default Resistance function to Diode test and then Continuity test function.
4. In Temperature measurement function, pressing the Mode button will change from
default °C to °F units.
Peak Hold Button
The Peak Data Hold function records the maximum and minimum readings for current
and voltage on the display.
1. Press the Peak Hold button once to record the peak maximum value. The meter
beeps and indicator “P MAX” appears on the display.
2. Press the Peak Hold button again to record the peak minimum value. The meter
beeps and indicator “P MIN” appears on left-upper corner of the display.
3. Press the Peak Hold button for 3 seconds to deactivate.
Data Hold Button
The Data Hold function allows the meter to freeze a measurement for later reference.
1. Press the Data Hold button to freeze the reading on the DISPLAY . The meter beeps
and indicator “HOLD” appear on the display.
2. Press the Data Hold button to return to normal operation.
DC Zero Button
The DC Zero Button is used in case of DC current measurement to zero the clamp cur-
rent for accurate measurement.
Backlight Button
1. Press the Backlight button for 3 seconds to turn the display light ON.
2. Press Backlight button again for 3 seconds to exit the backlight mode.
micro CM-100 Digital Clamp Meter
11
Terminals Description
V / Input Positive Terminal for Voltage, Resistance,
Ω
/ CAP / Continuity Test, Diode Test, Capacitance,
TEMP /Hz Temperature and Frequency Measurement
COM Negative Terminal for all measurements