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      Description

      Our range of signal converters provide a convenient way of converting almost any input voltage or current to commonly used process signal levels. Voltages of down to 50 mV can be converted to a standard current or voltage output. Customized input and output requirements can usually be met on request. A high quality instrumentation amplifier forms the input stage with galvanic isolation between input and output. A filter with adjustable time constant between 0 and 20 seconds is also provided for the filtering of noisy signals.

      Specifications
      • Standard input signal ranges from 0-50 mV, ±10 V to 4-20 mA.
      • Bipolar input and output configurations.
      • Customised input and output ranges on request.
      • Input impedance of >100 kΩ for the voltage input and 50 Ω for the current input models.
      • Maximum input signals of 250 V for voltage input and 100 mA for the current input.
      • Output signal ranges of 0-10V, ±10 V, 4-20 mA and 0-20 mA.
      • Output load >2 kΩ for the voltage output and 500 Ω maximum for the current output.
      • Multi-turn trimpot adjustment for zero and span on the front of the unit.
      • Adjustable filter with time constant from 0 to 20 seconds.
      • Frequency response 1 kHz with filter disabled.
      • Linearity better than 0.1% of full scale.
      • Auxiliary supply 115/230 VAC ±10% 50/60 Hz or 12/24 VDC ±5%.
      • Isolation between input and output >1,500 VAC for AC powered versions and >1,000 VAC for DC powered versions.
      • Operating temperature -10°C to 60°C.
      • 24 hour operational burn-in.
      • Calibration sheet provided for each unit manufactured.
      • DIN rail mounting with dimensions 40 x 80 x 85 mm (W x H x D).
      Applications
      • Signal conversion.
      • Filtering of noisy signals.
      • Elimination of the effects of ground loops from distributed process signals.
      • The protection of signals against common mode interferences such as motors, contactors and power line surges.
      • Process signal amplification in situations where the line impedance is too great to effectively drive the required instrumentation.