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RH Wall, 2%, 4-20mA, 10K ohm Type 2 Thermistor.

HEW2MSTD $204.42 EA

  • Overview
  • Series Specifications

HEW Economy Series humidity transmitters offer an array of humidity control solutions at an affordable price. The thin-film capacitive sensor elements provide high accuracy and performance. The wall mounted HEW models feature an attractive, yet discreet housing, with simple installation. All Economy models come with a standard one-year warranty.


  • Managing energy systems
  • HVAC economizer control
  • Facilitating ASHRAE standards for environmental control

Reduce Installation Costs with Combination Sensors

  • Monitor humidity and temperature with a single device
  • Housing is low-profile...perfect for schools, museums, etc.
  • Input Power 12 (15 for 0-10V) to 30VDC/24VAC, 15mA max.
  • HS Element Digitally profiled thin-film capacitive, non-removable
  • Accuracy at 25°C from 10-90% RH ±3%
  • Reset Rate* 24 hours
  • Stability ±1% @ 20°C (68°F) annually, for two years
  • Operating Humidity Range 0 to 100% RH (non-condensing)
  • Temperature Effect (0.0015x%RHx(T°C-25))+(%RHx0.0008xabsx(T°C - 25))
  • Analog Output 3-wire, observe polarity
  • Scaling 0–100% RH

Temperature Output:

  • Transmitter Models Digital 0-5V/0-10V output; accuracy ±1.3°C
  • Range 10° - 35°C (50° - 95°F)

1-year limited warranty*Reset Rate is the time required to recover to 50% RH after exposure to 90% RH for 24 hours.One side of transformer secondary is connected to signal common. Isolation transformer, or dedicated power supply may be required