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Dwyer WHT-32A Outdoor Surface-Mount Temperature & Humidity Transmitter - Outdoor Surface-Mount Temperature & Humidity Transmitters
DwyerOutdoor Surface-Mount Temperature & Humidity Transmitters

Dwyer WHT-32A Outdoor Surface-Mount Temperature & Humidity Transmitter

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

Also listed as: WHT32A · WHT 32A

Brand
Dwyer
Item
WHT-32A Outdoor Surface-Mount Temperature & Humidity Transmitter
Part Number
WHT-32A
Category
Outdoor Surface-Mount Temperature & Humidity Transmitters
Available to Order
Also known as:WHT-32ADwyer
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

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

Technical Documents

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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
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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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This outdoor surface-mount transmitter measures temperature and humidity, providing a 4 to 20 mA output. It uses an RTD or thermistor sensing element, operates on 10 to 35V DC, and has a humidity accuracy of ±3% from 20 to 80% RH at 25°C. The temperature range is -4°F to 140°F, with screw terminals and a 1/2 in NPS connection. Typical applications include HVAC, environmental monitoring, and building automation
Dwyer
This outdoor surface-mount transmitter measures temperature and humidity, providing a 4 to 20 mA output. It uses an RTD or thermistor sensing element, operates on 10 to 35V DC, and has a humidity accuracy of ±3% from 20 to 80% RH at 25°C. The temperature range is -4°F to 140°F, with screw terminals and a 1/2 in NPS connection. Typical applications include HVAC, environmental monitoring, and building automation

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