1. Performing Custom Test
Press “Custom Test” in the “Test” tab.
Select the load (HL, PF, LL) and the phase.
If you select “HL” for all the phases (A+B+C), the load current will increase to 2.5 A
and the meter will start sending pulses. In the following display, the meter is reading
a 873.75 W load (voltage x current x 3)
Note: If you want to test only Phase A, select “Phase A” in the “Select active phase”
drop-down window. If you want to only test phase B, select “Phase B” and so on for
phase C. In the current example, only phase B is selected.
Press “START TEST” to start the test. The meter will send pulses and MT-1/WT3’s
internal electronic standard will start measuring the energy sent to the meter.
In addition to the test parameters appearing on the display, you can see the voltage
and current applied to the meter, the chronometer and the cumulated energy
registered by the electronic standard.
On the display, the internal electronic standard of the MT-1/WT3 shows that it has
registered up to now 3.93Wh (voltage x load x 3 x time/3600). When calculating Wh,
time is expressed in hours.
2. Test Results
The watthour measurement period ends automatically after the default minimum
test time, here >20 seconds. Then the load is automatically removed, and the test
results are displayed.
Test results show this meter has a percentage registration of 100.02% under a 2.5 A
load. By default, the test result is displayed in percentage registration. Test results
can be saved by clicking “YES”.
You can abort a test at any time by pressing the “STOP TEST” button.
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