The VTH3ph and VTHR3ph voltage transducers convert dc or ac voltage to an isolated voltage or current loop output.
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The VTH3ph and VTHR3ph voltage transducers convert dc or ac voltage to an isolated voltage or current loop output. The Available VTH3ph models cover the range from 0.333V to 600Vrms, with fast response capability, the Model VTHR3ph offers true rms conversion DC-50kHz along with Voltage Analysis. VTH3ph sensors are available in ac only or dc+ac configurations.
The instrument power input is designed to operate over a wide voltage range associated with process control and sub-station auxiliary dc supply systems. Some typical applications are voltage monitoring in PV, wind turbines, dc drives, process control, rail transpiration. For all products, a NIST/NPL/UKAS traceable calibration certificate of conformance are available.
VTH3ph / Voltage range / output / frequency / power inputVTHR3ph / Voltage range / output / ac or dc / power input
VTH3ph / 110V / 4-20 / 45-65 /24Vdc110Vdc input, 4-20mA output, 45-65Hz with 24Vac/dc aux power inputCalibrated 0-110Vdc
VTHR3ph/ 100V / 10 / ac+dc / 24Vdc100V input, 10V output, ac+dc coupled, with 24Vdc aux power inputCalibrated 0-100Vrms
VTHR3ph / 208V / 10 / 400 / 24Vdc208Vrms input, 0-10V output / 400Hz / 24Vdc aux power inputCalibrated 0-208Vrms at 400Hz
VTHR3ph / 50Vrms / 4-20mA / dc-100 / 24Vdcmeans 0-50Vrms input, 4-20mA rms output, frequency range dc-100Hz, 24Vdc aux power input Unless specified, the upper cut-off frequency will be 10kHz