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Dwyer Temperature/Humidity Transmitter: 1/2 in NPT, -40 to 140 Degrees F, 4 to 20 mA - Hazardous Location Transmitters with Display
DwyerHazardous Location Transmitters with Display

Dwyer Temperature/Humidity Transmitter: 1/2 in NPT, -40 to 140 Degrees F, 4 to 20 mA

The DWYER HHT-IT-LCD is an intrinsically safe hazardous location transmitter with a display, measuring temperature and humidity. It features a solid state band gap sensing element, a temperature range of -40 °F to…

SKU 3G-OTH-185207

Brand
Dwyer
Item
Temperature/Humidity Transmitter: 1/2 in NPT, -40 to 140 Degrees F, 4 to 20 mA
Category
Hazardous Location Transmitters with Display
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Technical Specifications

Dwyer
Manufacturer Part Number
HHT-IT-LCD
Type
-40 to 140 Degrees F, 4 to 20 mA, Female
Standards
Intrinsically Safe
Power Required
9.5 to 28V DC
Temperature Range
-40 °F to 140 °F
Sensing Element Type
Solid State Band Gap
Temperature Accuracy
±0.9°F @ 77°F
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Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DWYER HHT-IT-LCD is an intrinsically safe hazardous location transmitter with a display, measuring temperature and humidity. It features a solid state band gap sensing element, a temperature range of -40 °F to 140 °F, and an accuracy of ±0.9°F @ 77°F. The device requires 9.5 to 28V DC power and has a 1/2 in NPT connection with a 4 to 20 mA output.

Frequently Asked Questions

What is the DWYER HHT-IT-LCD used for?

The DWYER HHT-IT-LCD is a hazardous location transmitter that measures temperature and humidity in environments requiring intrinsic safety. It is commonly used in industrial plants, chemical processing, and oil and gas facilities where explosive gases or dusts may be present.

What are the specifications of the DWYER HHT-IT-LCD?

The DWYER HHT-IT-LCD has a temperature range of -40 °F to 140 °F with an accuracy of ±0.9°F @ 77°F. It uses a solid state band gap sensing element, requires 9.5 to 28V DC power, and provides a 4 to 20 mA output. The connection is 1/2 in NPT female.

Where to buy the DWYER HHT-IT-LCD worldwide?

You can source the DWYER HHT-IT-LCD through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install the DWYER HHT-IT-LCD?

Install the DWYER HHT-IT-LCD by mounting it in a hazardous location using the 1/2 in NPT connection. Ensure power supply is 9.5 to 28V DC and wiring is per intrinsic safety standards. Follow Dwyer's manual for proper placement and calibration.

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 hazardous location transmitters with display. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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DWYER Humidity Transmitter: 1/2 in NPT, 4 to 20 mA, 0%to 100% Relative Humidity Range, Female (MPN HHT-EU-LCD). Key specifications — Brand: DWYER; Standards: FM; Power Required: 16.5 to 28V DC.
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