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Example 5: kW Demand Test – Electromechanical 14S Meter
Meter:
Voltage:
Kh:
TA:
CL:
Accessory
The meter is equipped with an electronic kW demand register (Type M-90). The kW
Demand Test will be done at 50 A on 15 minutes time interval. The operator first set
the meter in kW demand test by removing the meter's cover and flip over the small
tab located on the M-90's face plate. This enables kW demand test by pressing a
small push-button switch. (Please refer to the meter's user manual to determine
how to setup the meter to perform demand testing)
1. Initialization
Be sure to select the right form 14S.
In the "Tests" tab select "Demand Test".
By default, the maximum load applied to the meter is 50 A, the timer or test duration
is 3 minutes and the meter's demand interval is 15 minutes. Test duration (timer)
can be set from 3 to 15 minutes and set the load at 50.
Set up the meter for a kW demand test following the manufacturer's instructions.
Please note that the kW demand test method varies between manufacturer's
reference technical guide for instructions.
Then, set the timer for the duration of the test. The timer must be less or equal to
the demand interval of the meter under test.
Finally, make sure the interval matches the demand interval length of the meter
under test. The test interval can be set between 1 and 99 minutes.
2. Loading and Testing
While resetting the demand register on the meter under test, press "Start Test" on
your mobile device.
The timer for the duration of the test will be counting down while the kW Max will
accumulate.
When the timer for the duration of the test reaches zero, the load is removed, and
the demand test ends.
Type in the value of the demand meter register in the results KW Max Meter.
Afterwards, click GET RESULTS and the MT-1/WT3 will calculate and display the
results.
Electromechanical, form 14S
120 V, 3-wire network,
21.6
30
200
None
MT-1/WT3 User Guide
Page • 35
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