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Dwyer Temperature/Humidity Switch: 0%to 100% Relative Humidity Range - Digital Temperature & Humidity Switches
DwyerDigital Temperature & Humidity Switches

Dwyer Temperature/Humidity Switch: 0%to 100% Relative Humidity Range

The DWYER THC-31 is a digital temperature and humidity switch with a 0% to 100% relative humidity range and -50°C to 150°C temperature range. It features an accuracy of ±3% @ 20 to 90% RH, operates on a supply…

SKU 3G-OTH-179760

Brand
Dwyer
Item
Temperature/Humidity Switch: 0%to 100% Relative Humidity Range
Category
Digital Temperature & Humidity Switches
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Technical Specifications

Dwyer
Manufacturer Part Number
THC-31
Type
-50°C to 150°C
Accuracy
±3% @ 20 to 90% RH
Mounting Style
Panel Mount
Supply Voltage
20 to 250V AC/24V DC
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Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DWYER THC-31 is a digital temperature and humidity switch with a 0% to 100% relative humidity range and -50°C to 150°C temperature range. It features an accuracy of ±3% @ 20 to 90% RH, operates on a supply voltage of 20 to 250V AC/24V DC, and is designed for panel mounting.

Used in

Common applications for Dwyer
Combustion air-filter monitoring — Magnehelic Series 2000 on burner air-intake filter banks
Clean-room and pharmaceutical pressurisation — Magnehelic / Capsuhelic differential-pressure gauges
HVAC fan-discharge static pressure — Mark II inclined-vertical manometers on AHU test points
Filter-blockage alarms — Photohelic Series 3000 combined gauge/switch on air-handling units
BMS-integrated pressure monitoring — Digihelic DH3 with 4–20 mA output for building management

Dwyer Products

3G Electric supplies Dwyer digital temperature & humidity switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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DWYER Temperature/Humidity Switch: 0%to 100% Relative Humidity Range, -58°F to 302°F (MPN THC-30). Key specifications — Accuracy: ±0.5% of Temperature Probe Range; Brand: DWYER; Supply Voltage: 20 to 250V AC/24V DC; Mounting Style: Panel Mount.
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