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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.

Frequently Asked Questions

What is the Dwyer THC-30 temperature/humidity switch used for?

The Dwyer THC-30 is a digital panel-mount switch used for monitoring and controlling temperature and humidity in HVAC, clean rooms, and industrial environments. It measures relative humidity from 0% to 100% and temperature from -58°F to 302°F, providing accurate readings for process control.

What are the specifications of the Dwyer THC-30?

The Dwyer THC-30 has a temperature range of -58°F to 302°F, relative humidity range of 0% to 100%, accuracy of ±0.5% of temperature probe range, and supply voltage of 20 to 250V AC/24V DC. It features panel-mount design and is manufactured by Dwyer.

Where to buy the Dwyer THC-30 worldwide?

3G Electric supplies the Dwyer THC-30 worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this panel-mount switch to any country.

How to install the Dwyer THC-30 temperature/humidity switch?

Install the Dwyer THC-30 by mounting it into a panel cutout per the manufacturer's template. Connect the supply voltage (20 to 250V AC/24V DC) to the terminals, ensuring proper polarity for DC. Follow Dwyer's manual for probe placement and wiring; verify accuracy with a reference source after installation.

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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