Dwyer HS Humidity Switch
Starting at $62.00

Not in stock. Usually ships in 7-10 business days [?]

Need Help? Call a Temperature Engineer 1-800-884-4967

We're open Mo-Th 8am to 5:30pm. Fr 8am to 5pm ET


  • Relative humidity display and control
  • Parameter protection
  • 4 to 20 mA or 3 V (THC-P) input selection
  • 10 to 100% RH range
  • 3 digit LED display

The Dwyer HS Humidity Switch provides control for humidifying or dehumidifying systems. Relative humidity, output status, and error messaging can be viewed on the bright green LED. Access to programming parameters can be locked for security purposes using the password protection feature.

Applications for the HS Humidity Switch include:

  • Industrial Chillers
  • Environmental Chambers
  • Walk-ins and Freezers
  • Heat Sealers
  • Beer and Wine Chillers
  • Mug Frosters
  • Coolers
  • Display Cases and Cabinets
  • Meat and Produce Storage
  • Floral Preservation
  • Refrigerated Transportation
  • Laboratories
  • Food Service Equipment
  • Ovens and Dryers
  • Greenhouses
  • Museums
  • Tobacco Preservation
  • Monitor Humidity in Ducts
Dwyer THC-P Humidity Probe
Humidity probe with 3V output & 4ft (1.2 m) cable