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Portable energy meter calibration device

SYM31C three-phase electric energy meter portable device

SYM31C is mainly designed and produced by electric energy meter manufacturers, and is suitable for product development, product maintenance, production line debugging, etc.

技术指标/Technical indicators

parameter name

main indicators

Device accuracy level


Built-in standard electric energy meter level


Voltage range

3×220V/Y      3×57.7V/ Y 3×380V/△      3×100V/△ 0-120% range Adjusting fineness: 0.01% fullness

Electric flow range

0.025A 、 0.1A 、 1A  、5A 、 25A 、100A 0-120% range Adjustment fineness: 0.01%

Phase shift range

0-360°,Adjustment fineness: 0.01°

Output frequency

45Hz - 65Hz ,Adjustment fineness: 0.01Hz

Indicating instrument accuracy

Voltage: ±0.2%, current: ±0.2%, phase: ±0.2%, power: ±0.2%

Output waveform distortion

Voltage: <0.5%, current: <0.5%

Output stability

Voltage: <0.05% / 3 minutes, current: <0.05% / 3 minutes, power: ≤0.05%/120S

Output Power

Voltage loop: 50VA, current loop: 200VA

Load characteristics

Resistive, inductive, and capacitive (small 4uF)

Minimum starting current

1mA, accuracy: 5%; starting power: accuracy 5%

Output harmonic

2 to 21 times

Device input power

220VAC, ±10%, 50Hz; maximum power consumption: 800VA

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