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Dwyer Temperature humidity probe WHT-311

Dwyer WHT-311 is a temperature-humidity probe for HVAC and environmental monitoring applications. It delivers 0 to 10 VDC output with 3% accuracy across -20 to 60°C, featuring IP54-rated ABS housing suitable for…

SKU 3G-CBM-02155

Also listed as: WHT 311 · WHT-311

Brand
Dwyer
Item
Temperature humidity probe WHT-311
Part Number
WHT311
Category
Measurement
UNSPSC
41112412 — Pressure gauge
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Technical specs
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Dwyer
Manufacturer Part Number
WHT311
output
0 to 10 VDC
accuracy
3%
sensor type
thermistance (Dwyer curve A)
enclosure rating
IP54
housing material
ABS
temperature range
-20 to 60°C
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Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

Dwyer WHT-311 is a temperature-humidity probe for HVAC and environmental monitoring applications. It delivers 0 to 10 VDC output with 3% accuracy across -20 to 60°C, featuring IP54-rated ABS housing suitable for indoor and light industrial installations.

Frequently Asked Questions

Where can I buy the Dwyer WHT-311 temperature humidity probe worldwide?

3G Electric is an authorized Dwyer distributor. We source the WHT-311 and handle all logistics, customs clearance, and delivery to your location globally. Lead time and freight options available on request.

What is the measurement accuracy and output specification of the WHT-311?

The Dwyer WHT-311 delivers 0 to 10 VDC output with 3% accuracy across the -20 to 60°C operating range. It uses Dwyer curve A thermistance sensing and suits HVAC and environmental monitoring applications.

Is the Dwyer WHT-311 suitable for outdoor or damp environments?

The WHT-311 features an IP54-rated ABS housing, making it suitable for indoor and light industrial installations. For fully sealed outdoor duty, confirm environmental conditions with our technical team before ordering.

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

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