Hsiang Cheng Model RPV/RPVS/RPVR/RPV2

AC Voltage Transducer Series

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Hsiang Cheng RPW and RPK Watt transducers

Product Parameters:
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Input Option Option Option Output
Voltage 0 – 150 V 0 – 300 V 0 – 500 V 0-1 mA 0-20 mA 4-20 mA
Current 0 – 1 A 0 – 5 A 0-1 V 0-5 V 0-10 V
Aux. Pwr. 120V 120V AC 415V / DC powered order on request 2-10 V 1-5V
Note : 1. For self-powered type … zero based outputs only 2. RPVR TRMS convertion with ability for a distortion wave form measment
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Model Type Description
RPV Voltage 1 unit of avg. to rms conversion
RPVS Voltage 1 unit of avg. to rms conversion ( *self-powered type)
RPV2 Voltage 2 wires / 4~20mA ( 8~36V DC powered )
RPVR Voltage True rms conversion
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Specifications :
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General Specifications
Accuracy ( 23±3°C ) 0.2% ro (avg.), 0.4% ro (Trms)
Maximum output load Current related input : 2 x rated continuous, 10 x rated 10 sec, 25 x rated 2 sec, 50 x rated 1 sec Voltage related input : maximum 2 x rated continuous ( 150V/300V ) self powered mode 1.5 rated continuous ( 500V )
Dielectric strength 4KV AC rms 1 minute between terminals to case IEC 688 2KV AC rms 1 minute between input / output / power IEC 688
Maximum input Current related input : 2 x rated continuous, 10 x rated 10 sec, 25 x rated 2 sec, 50 x rated 1 sec Voltage related input : maximum 2 x rated continuous ( 120V / 240V ), maximum 1.5 x rated continuous ( 415V )
Impulse / SWC IEC 255-4, 5KV 1.2x50us, IEC255-22-1, 2.5KV ( 1MHz / 400Hz )
Input burden 0.3VA / element typically, self-powered type 1VA / element typically
Response time & ripple < 400ms for step change 0-95%, ripple less 0.5% ro peak-peak
Frequency 50± 2Hz, 60 ±2Hz
Aux. power effect < 0.005% for per voltage change
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 < 0.05% change 1M center 100 amper-turn, synchronized with line frequency
Enclosure code Case IP 50 / terminals IP 30, complies with IEC 529, BS 5490 DIN 40050
Power supply AC 120V / 240V 15%, 50 / 60Hz
Power dissipation < 3VA
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pdf_pic Downloads: General Specifications
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