8
W
Watts TRMS
W3
∅
∅
∅
∅
3 Phase Watts
Hz
Frequency
On power up the instrument enters a calibration mode
in which CAL is displayed. During this period the
instrument must not be clamped on any current
carrying conductors.
3.1 Current Measurement
•
Remove any Voltage test leads from the
instrument.
•
Move the rotary switch to the Amps position
•
Press the trigger to open the jaws and clamp them
around the current carrying conductor as shown in
Fig. 2
•
Read the display
•
Press the HOLD / ZERO button to freeze the
display. Press and hold (2 seconds) to zero the
display.
•
Press and hold the REC button (2 seconds) to
activate the REC mode.
•
Press the REC button again to cycle through Min,
Max, Average readings. Press and hold the REC
button (2 seconds) to exit the REC mode.
Fig. 2
Current Measurement
3.2 Voltage Measurement