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Contact Our Engineering TeamDwyer Products
3G Electric (S) Pte. Ltd. — Singapore
Product Description
The Dwyer O-4A is a sealed temperature sensor featuring a 10kΩ Type III Thermistor with 304 stainless steel construction and IP66 protection for industrial process monitoring. Operating range spans -40 to +125°C with a 5.97 mm probe diameter and 3.5 inch length, suitable for suspension or surface mounting applications.
Used in
Common applications for DwyerCombustion 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 measurement. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
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