Huazheng HZGC3521 Series, Руководство пользователя

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Three-phase energy meter field calibrator
2.4 Operating procedures for the instrument
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The instrument in use is operated in strict accordance with the operating procedures.
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Start the instrument power supply→ connect the instrument test line → connect the test line
and clip-on ammeter at the end of energy meter → set test parameters→ check→ remove the test
line at the end of energy meter →close the instrument →remove the test line at the end of the
instrument.
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Note: Clip-on ammeter "+" is the current input, and "-" is the current output; the middle
colors of the clip-on ammeter represent different phases: Yellow-A phase, Green-B phase,
and Red-C phase.