Model# VFC

Precision Integrator w/ Relay Output

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SPECIFICATIONS

INPUT:
– 0-50mVdc
– 0-100mVdc
– 0-150mVdc
– 0-250mVdc
– 0-1mAdc
– 0-10Vdc
– 4-20mAdc
– 0-5Vdc
Overload: 10Vdc max.
Impedance: (Ω)
Voltage input models: > 1M
Current input models: < 200
Frequency: dc with up to 100% ripple @ 120Hz or higher

OUTPUT
Accuracy: ±0.25% F.S.
Relay: N/O SPST, 120V, 0.5A contact rating
Relay closure period: 200 ms
Linearity: ±0.1% F.S.
Temperature Range: -10°C to +60°C
Temperature Effect: ±0.5%
Instrument Power (std.):
– 85-135Vac
– 50-400Hz
– 3.5VA
“-22” Option: 230Vac, 50/60Hz, ±15%
Weight: Approximately 1.3 lbs

APPLICATIONS
  • Designed for use with voltage, current, watt, or var transducers with analog outputs compatible with the inputs in chart.
  • Provides Vhr, Amphr., Varhr, and Whr. output pulse.
FEATURES
  • Provides relay closure count which is proportional to the time integral of the input signal.