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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-30 is a digital temperature and humidity switch with a 0% to 100% relative humidity range and a temperature range of -58°F to 302°F. It offers an accuracy of ±0.5% of the temperature probe range and…

SKU 3G-OTH-179761

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-30
Type
-58°F to 302°F
Accuracy
±0.5% of Temperature Probe Range
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-30 is a digital temperature and humidity switch with a 0% to 100% relative humidity range and a temperature range of -58°F to 302°F. It offers an accuracy of ±0.5% of the temperature probe range and operates on a supply voltage of 20 to 250V AC/24V DC. This panel-mount device is designed for monitoring and control applications.

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 Temp/Humidity Transmitter: 4 to 20 mA, 158°F Op Temp - Max, 32°F Op Temp - Min, RHCN-7000 (MPN 124317-90). Key specifications — Brand: DWYER; Output: 4 to 20 mA; Power Source: 110V AC.
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DWYER Temperature/Humidity Switch: 0%to 100% Relative Humidity Range, -50°C to 150°C (MPN THC-31). Key specifications — Accuracy: ±3% @ 20 to 90% RH; Brand: DWYER; Supply Voltage: 20 to 250V AC/24V DC; Mounting Style: Panel Mount.
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