Hsiang Cheng Model RPF

Frequency Transducer Series

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Hsiang Cheng RPPF Power Factor Transducers

Product Parameters:
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Input Option Option Option Output
Hz 50 Hz 60 Hz 0-1 mA 0-20 mA 4-20 mA
Sensing Voltage 60~300V 300~500V 0~10 mA 0-1 V
Band ±0.5 Hz ±1 Hz ±2 Hz 0-5 V 0-10 V 2~10 V
±5 Hz ±10 Hz 1-5 V
Aux. Pwr. 120 V 240 V AC 415V / Internal powered / DC poweredorder on request
Note :1. For internal powered type … zero based outputs and Vn operation range 85%~115%
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Specifications :
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General Specifications
Accuracy ( 23±3°C ) 0.025% of named frequency + 0.0
Maximum output load DC current mode : maximum 10V dropDC voltage mode : maximum 5mA drive
Dielectric strength AC 2KV 1 minute between terminals; AC 2.6KV 1 minute / terminals to case
Surge and impulse test ANSI C37.90/1989, IEC 255-3(1989)4 KV 1.2 x 50 us
impulse / SWC IEC 255-4, 5KV 1.2x50us, IEC255-22-1, 2.5KV ( 1MHz / 400Hz )
Input burden Voltage 0.2VA typically
Response time & ripple < 400ms for step change 0-95%, ripple less 0.5% ro peak-peak
Frequency 50 / 60 band
Waveform Watt – 20% 3rd, Var – sinusoidal
Stability
Temperature range ( 20 to 26°C ) long term stability / year
Maximum 100ppm/ , less 0.2% drift per year typically
Storage condition Temperature range -25 to 70°C, RH 20 to 95% non condensed
Operating condition Temperature range -20 to 65°C, RH 0 to 99% non condensed
Magnetic field effect 4KV AC rms 1 minute between terminals to case IEC 6882KV AC rms 1 minute between input / output / power IEC 688
Power dissipation < 3.5 VA
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