瓦時、乏時轉換器RWH, RWWH,RQH, RQQH

瓦時、乏時轉換器RWH, RWWH,RQH, RH

RWH  system Watthour

RWWH system Watthour＋Watt

RQH system Varhour

RH system Varhour＋Var

These transducers convert the active power or reactive power of a single-phase of three-phase system with balanced or unbalanced load. 

The output signals are a digital and DC analog signal.

特性

? High accuracy: ±0.2%RD (WH), ±0.25%RD (VARH)

? Precision measurement even for distorted waves

? Uses time division multiplier for watt and var

? High immunity to external noise

? Wide selection of input and output range

? Quick and easy mounting

詳細規格

Accuracy 

±0.2%RD (WH)
±0.25%RD (VARH)

Temp. coefficient

≦100ppm/℃

≦60ppm/℃, 25℃±10℃

Temp. range

－20℃ to 60℃, Operating 0～50℃

Humidity range

Up to 95% RH

Isolation

Input/output/power/case

Dielectric test

DIN-IEC 688

2K Vrms/1min Between terminal to terminal

2.8K Vrms/1min,Between terminal to case

Surge test

DIN-IEC 255-4,ANSI C37

90a/1974　5KV (1.2×50us)

Insulation resistance

100MΩ or more, DC 500V

Housing material

ABS Resin (94V-0)

Mounting Rail

35mm

Aux. power

AC 115/230V±15%, 50/60Hz, 3VA

DC 24V, 48V, 110V±20% (option)