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The Series 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.
Features
  • Relative Humidity Display and Control
  • Parameter Protection
  • 0 to 1 V, 4 to 20 mA or 3 V (THC-P) Input Selection

1 - 6 of 6 Part Numbers
HS-111
HS-111
DWYER Humidity Switch, 0-1 V Input Sensor, 110 VAC Supply Voltage.
HS-112
HS-112
DWYER Humidity Switch, 0-1 V Input Sensor, 230 VAC Supply Voltage.
HS-311
HS-311
DWYER Humidity Switch, 0-3 V Input Sensor, 110 VAC Supply Voltage.
  • Supply Power - 115 Vac
HS-312
HS-312
DWYER Humidity Switch, 0-3 V Input Sensor, 230 VAC Supply Voltage.
  • Supply Power - 230 Vac
HS-411
HS-411
DWYER Humidity Switch, 4-20 mA Input Sensor, 110 VAC Supply Voltage.
HS-412
HS-412
DWYER Humidity Switch, 4-20 mA Input Sensor, 230 VAC Supply Voltage.
1 - 6 of 6 Part Numbers

Specifications

Accuracy

  • ± 1 % Relative Humidity

Approvals & Certifications

  • CE
  • cUR
  • UR

Cable Length

  • 4 feet (1.21 metres)

Display

  • 1/2”-Digit (12.7 mm)
  • 3-Digits
  • Green

Electrical Rating

  • 1 hp

Environmental Protection

  • IP64

Flow Rate

  • 4 feet (1.2 metres)

Humidity

  • 10 to 100 % Relative Humidity

Input

  • 0-1 V
  • 3 V
  • 4-20 mA

Output

  • 3 V
  • SPDT, 16 A at 250 Vac Resistive

Power Requirement

  • 115 Vac
  • 230 Vac

Resolution

  • 1-Digit

Storage Temperature

  • -20° to 80° C (-4° to 176° F)

Switch Type

  • SPDT

Temperature Range

  • 0° to 70° C (32° to 158° F)

  • 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
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