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Veris Industries HWS Wall Mount Humidity Transmitter
with Humidistat Functions

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All HWS Series institutional grade relative humidity/temperature transmitters are designed to meet the rigorous needs of pharmaceutical labs, hospitals, science labs, and other settings that call for precise environmental control. Internal jumpers control access to a feature that allows adjustment of the calibration offsets. The devices can also be made tamper resistant using a jumper to disable keypad programming functions. HWS models are calibrated with NIST traceable calibration equipment.

Analog Output Transmitter

Analog output models feature a keypad to make adjusting humidity setpoint values easy. They transmit the setpoint values back to a control system by means of dual outputs. A slide switch allows easy selection of output type, either 4-20mA or 0-5V/0-10VDC signals. output enable effortless control of humidity in a single, compact sensor.

Setpoint Relay Transmitter


HWS models offer the same precise humidity measurement and control as the HT, but without the temperature and thermostat features.


  • LCD for local display of readings and setup values


  • Switch-selectable 4-20mA or 0-10V/0-5VDC analog outputs
  • Easy to maintain accuracy
  • Multi-point calibration to 1% RH, traceable to NIST
  • Replaceable RH sensor element supports field calibration offset...saves time
  • Semiconductor temperature sensor can be field calibrated




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