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      Description

      Our range of signal converters provide a convenient and reliable 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 precision instrumentation amplifier forms the input stage with galvanic isolation between input and output.


      An digital filter with adjustable time constant between 0 and 12 seconds is also provided for the filtering of noisy signals.

      Specifications
      • Standard input signal ranges from 0-50 mV, 0-5 V, 1-5 V, ±10 V, 0-250 V, 0-500 V,
        0-20 mA to 4-20 mA and many more.
      • 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 500 V for voltage input and 10 A for the current input.
      • Output signal ranges of 0-10 V, 1-5 V, ±10 V, 4-20 mA and 0-20 mA and more.
      • 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 which can be disabled.
      • Adjustable filter with time constant from 0 to 12 seconds.
      • Frequency response 50 Hz 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% and other options.
      • 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.
        • The current input versions have 50 Ω input impedance and add very little additional loop resistance.
        • The outputs can drive loads of up to 500 Ω which is sufficient to drive a measurement loop of several kilometres.
        • Individual channel isolation and the elimination of common mode offsets for non-isolated computer and PLC inputs.
        • Square root extraction.
        • Absolute value conversion.