At active power (main display) + phase angle (secondary display) mode, press SELECT button to step
through first phase, second phase, third phase and sum of watts.
At other mode, press SELECT to step through first phase, second phase and the third phase.
At Active power (main display) + Phase angle (secondary display) mode, press once button to sum up the
current first phase of 3 phase measurement result. Then carry out second phase power measurement.
Press again to sum up the second phase power measurement result, then carry out third phase power
measurement.
Press again to sum up the third phase power measurement result, then press SELECT to enter the
measurement of sum of the watts mode, the display shows the 3 phase sum of the watts value.
72-9490: OPERATING MANUAL
13
SELECT
LOAD
Press USB once to turn the USB interface on, USB appears and the Meter beeps.
Press USB again to turn the USB interface off, USB disappears and the Meter beeps.
Press once to enter LOAD mode, MR appears and the Meter beeps.
Press again to exit LOAD mode, MR disappears and the Meter beeps.
Press and hold LOAD for 1 second to display the stored data quickly.
Press once to store single reading, MEM appears and the Meter beeps.
Press and hold for over 1 second to continuous store reading, MEM blinks and the Meter beeps. The index
number shown on the left secondary display keep on increasing. Press SAVE again to exit. The maximum
number of data store is 99, when it achieves 99, the Meter shows FUL. Press CLEAR to clear the stored
reading in order to store next reading.
Button
Operation Performed
USB
SAVE
