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Dwyer Humidity/Temperature Transmitter: 0 to 10VDC, 10K Ohm Type 3 Thermistor - Outdoor Surface-Mount Temperature & Humidity Transmitters
DwyerOutdoor Surface-Mount Temperature & Humidity Transmitters

Dwyer Humidity/Temperature Transmitter: 0 to 10VDC, 10K Ohm Type 3 Thermistor

The Dwyer WHT-32A is an outdoor surface-mount temperature and humidity transmitter with a 0 to 10VDC output. It features a 10K Ohm Type 3 thermistor sensing element, humidity accuracy of ±2% @ 20 to 80% RH, and…

SKU 3G-OTH-179174

Brand
Dwyer
Item
Humidity/Temperature Transmitter: 0 to 10VDC, 10K Ohm Type 3 Thermistor
Category
Outdoor Surface-Mount Temperature & Humidity Transmitters
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Technical Specifications

Dwyer
Manufacturer Part Number
WHT-32A
Type
10K Ohm Type 3 Thermistor, Screw Terminals, WHT
Output
0 to 10VDC
Power Source
10 to 35V DC
Humidity Accuracy
±2% @ 20 to 80% RH
Temperature Range
-4 °F to 140 °F
Sensing Element Type
10K Ohm Type 3 Thermistor
Temperature Accuracy
±0.36°F @ 77°F
View Full Spec Sheet

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Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dwyer WHT-32A is an outdoor surface-mount temperature and humidity transmitter with a 0 to 10VDC output. It features a 10K Ohm Type 3 thermistor sensing element, humidity accuracy of ±2% @ 20 to 80% RH, and temperature accuracy of ±0.36°F @ 77°F. The device operates on a 10 to 35V DC power source within a temperature range of -4 °F to 140 °F.

Frequently Asked Questions

What is the Dwyer WHT-32A humidity/temperature transmitter used for?

The Dwyer WHT-32A is an outdoor surface-mount transmitter that measures humidity and temperature, outputting a 0 to 10VDC signal. It is used in HVAC, building automation, and environmental monitoring applications where reliable outdoor sensing is required.

What are the specifications of the Dwyer WHT-32A?

The Dwyer WHT-32A features a 10K Ohm Type 3 thermistor, humidity accuracy of ±2% @ 20 to 80% RH, temperature accuracy of ±0.36°F @ 77°F, and operates on 10 to 35V DC. Its temperature range is -4 °F to 140 °F.

Where to buy the Dwyer WHT-32A worldwide?

3G Electric supplies the Dwyer WHT-32A to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this transmitter to your facility, regardless of location.

How to install the Dwyer WHT-32A transmitter?

Mount the Dwyer WHT-32A on an outdoor surface using the screw terminals. Connect the 0 to 10VDC output and 10 to 35V DC power supply per the wiring diagram. Ensure the sensing element is unobstructed for accurate readings.

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 outdoor surface-mount temperature & humidity transmitters. 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 Transmitters: 4 to 20mA, Thermistor (20K @ 25°C), Screw Terminals, 1/2 in NPS, RHP (MPN RHPX-2SSAF-00). Key specifications — Brand: DWYER; Humidity Accuracy: ±2% 10 to 90% RH at 25°C; Sensing Element Type: Thermistor (20K @ 25°C); Temperature Accuracy: ±0.36°F @ 77°F; Output: 4 to 20mA; Power Source: 10 to 35V DC; Temperature Range: -4 °F to 140 °F.
DWYER Humidity Transmitters: 4 to 20mA, Pt1000 RTD, Screw Terminals, 1/2 in NPS, 3 in Probe Lg, RHP (MPN RHP-2O1E). Key specifications — Brand: DWYER; Humidity Accuracy: ±2% 10 to 90% RH at 25°C; Sensing Element Type: Pt1000 RTD; Temperature Accuracy: ±0.54°F @ 32°F; Output: 4 to 20mA; Power Source: 10 to 35V DC; Temperature Range: -4 °F to 140 °F.
Dwyer
DWYER Humidity Transmitters: 4 to 20mA, Pt1000 RTD, Screw Terminals, 1/2 in NPS, 3 in Probe Lg, RHP (MPN RHP-2O1E). Key specifications — Brand: DWYER; Humidity Accuracy: ±2% 10 to 90% RH at 25°C; Sensing Element Type: Pt1000 RTD; Temperature Accuracy: ±0.54°F @ 32°F; Output: 4 to 20mA; Power Source: 10 to 35V DC; Temperature Range: -4 °F to 140 °F.
DWYER Humidity Transmitters: 4 to 20mA, Thermistor (20K @ 25°C), Screw Terminals, 1/2 in NPS, RHP (MPN RHPX-3SSAF-00). Key specifications — Brand: DWYER; Humidity Accuracy: ±3% 20 to 80% RH at 25°C; Sensing Element Type: Thermistor (20K @ 25°C); Temperature Accuracy: ±0.36°F @ 77°F; Output: 4 to 20mA; Power Source: 10 to 35V DC; Temperature Range: -4 °F to 140 °F.
Dwyer
DWYER Humidity Transmitters: 4 to 20mA, Thermistor (20K @ 25°C), Screw Terminals, 1/2 in NPS, RHP (MPN RHPX-3SSAF-00). Key specifications — Brand: DWYER; Humidity Accuracy: ±3% 20 to 80% RH at 25°C; Sensing Element Type: Thermistor (20K @ 25°C); Temperature Accuracy: ±0.36°F @ 77°F; Output: 4 to 20mA; Power Source: 10 to 35V DC; Temperature Range: -4 °F to 140 °F.