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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.

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 Temperature/Humidity Transmitter: 1/2 in NPT, -40 to 140 Degrees F, 4 to 20 mA, Female (MPN HHT-IT). Key specifications — attr1118745: DWYER; attr1118752: Intrinsically Safe; attr1118770: Solid State Band Gap; attr1118777: ±0.9°F @ 77°F; attr1118763: 9.5 to 28V DC; attr1118746: -40 °F to 140 °F.
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DWYER Temperature/Humidity Transmitter: 1/2 in NPT, -40 to 140 Degrees F, 4 to 20 mA, Female (MPN HHT-IT). Key specifications — attr1118745: DWYER; attr1118752: Intrinsically Safe; attr1118770: Solid State Band Gap; attr1118777: ±0.9°F @ 77°F; attr1118763: 9.5 to 28V DC; attr1118746: -40 °F to 140 °F.
DWYER Humidity Transmitter: 1/2 in NPT, 4 to 20 mA, 0%to 100% Relative Humidity Range, Female (MPN HHT-IU). Key specifications — attr1118745: DWYER; attr1118752: FM; attr1118763: 9.5 to 28V DC.
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DWYER Humidity Transmitter: 1/2 in NPT, 4 to 20 mA, 0%to 100% Relative Humidity Range, Female (MPN HHT-IU). Key specifications — attr1118745: DWYER; attr1118752: FM; attr1118763: 9.5 to 28V DC.
DWYER Humidity Transmitter: 1/2 in NPT, 4 to 20 mA, 0%to 100% Relative Humidity Range, Female (MPN HHT-EU). Key specifications — attr1118745: DWYER; attr1118752: CE; attr1118763: 16.5 to 28V DC.
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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). Key specifications — attr1118745: DWYER; attr1118752: CE; attr1118763: 16.5 to 28V DC.
DWYER Temp/Humidity Transmitter: 4 to 20 mA, 158°F Op Temp - Max, 32°F Op Temp - Min, RHCN-7000 (MPN 124317-94). Key specifications — Brand: DWYER; Output: 4 to 20 mA; Power Source: 110V AC.
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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 124317-94). Key specifications — Brand: DWYER; Output: 4 to 20 mA; Power Source: 110V AC.
DWYER Temp/Humidity Transmitter: 4 to 20 mA, 158°F Op Temp - Max, 32°F Op Temp - Min, RHCN-7000 (MPN 124317-92). Key specifications — Brand: DWYER; Output: 4 to 20 mA; Power Source: 110V AC.
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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 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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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.