Hsiang Cheng® Model FPF

Frequency Transducer Series

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Hsiang Cheng FPF series, Frequency Transducers

Product Parameters:
Input Option Option Option Output
Hz 48 – 52 Hz 58 – 62 Hz 0-1 mA 0-20 mA 4-20 mA
Band ±0.5 Hz ±1 Hz ±2 Hz 0-1 V 0-5 V 0-10 V
±5 Hz ±10 Hz 2-10 V Specified
Aux. Pwr. 120 ± 15% 240 ± 15% Internal Power120V or 240V
• Auxilliary Specified: DC24 / 48 / 125 V ±15% or other range under specifiedVoltage input range :   30 – 600 Vac• External power mode suitably for all output types• Internal power mode, only suitably for 0-1mA / 0-20mA / 0-1V / 0-5V / 0-10V output
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Specifications :
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
Input burden Current less 0.2 VA; voltage less 0.1 VA
Response time & ripple ≤400 ms for step change 0-99% ripple less 0.5% ro peak to peak
Frequency 50 Hz; 60 Hz; 400 Hz
Waveform Watt – 20% 3rd, Var – sinusoidal
Stability
Temperature range ( 20 to 26°C ) long term stability / year
Maximum 60 ppm / °C less 0.2% draft / 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 < 0.01% under 100 ampere turns at 1M center
Power dissipation < 3.5 VA
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pdf_pic Downloads: General Specifications
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