HS-311    | Humidity switch | 0-3 V input sensor | 110 VAC supply voltage.  |   Dwyer
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Brand: DwyerSKU: HS-311

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HS-311 | Humidity switch | 0-3 V input sensor | 110 VAC supply voltage. | Dwyer

Humidity switch, 0-3 V input sensor, 110 VAC supply voltage.

Dwyer | HS-311
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Overview

Details for HS-311

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Humidity switch | 0-3 V input sensor | 110 VAC supply voltage.

SERIES HS HUMIDITY SWITCH

Programmable, 8 A Relay, 3-Digit Display

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 feature.

Product Applications

  • 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
  • Relative humidity display and control
  • Parameter protection
  • 0 to 1 V, 4 to 20 mA or 3 V (THC-P) input selection

Specifications

Series
HS HUMIDITY SWITCH
Category/Type
Air Quality
Type
Humidity Switches
Series
HS HUMIDITY SWITCH
Relative Humidity Range
10 to 100% RH.
Input
0 to 1 V; 3 V or 4 to 20 mA.
Accuracy
THC-P: ±5% @ 20 to 90%; HS: ±1% RH.
Display
3-digit; green; 1/2" (12.7 mm) digits.
Resolution
1 digit.
Temperature Limits
32 to 158°F (0 to 70°C).
Storage Temperature
-4 to 176°F (-20 to 80°C).
Output
16 A SPDT relay @ 250 VAC resistive.
Horsepower Rating (HP)
1 HP.
Control Type
ON/OFF.
Power Requirements
115 VAC or 230 VAC (depending on model).
Memory Backup
Nonvolatile memory.
Weight
2.3 oz (65 g).
Front Panel Rating
IP64.
Agency Approvals
CE; cURus.

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