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DwyerMeasurement

Dwyer Waterproof temperature sensor O-4E

Dwyer O-4E is a waterproof RTD temperature sensor with IP66 rating for industrial process monitoring and control. Features DIN class B accuracy of ±0.3°C at 0°C and 3.5 inch 304 stainless steel probe. Suits suspended…

SKU 3G-CBM-02323

Brand
Dwyer
Item
Waterproof temperature sensor O-4E
Category
Measurement
UNSPSC
41112412 — Pressure gauge
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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
accuracy
DIN class B: ±0.3°C @ 0°C
mounting
suspended or surface
ip rating
IP66
sensor type
RTD temperature sensor
probe length
3.5 inches
probe material
304 stainless steel
probe diameter mm
5.97
operating temperature
-40 to +125°C

Technical Documents

(1)
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Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

Dwyer O-4E is a waterproof RTD temperature sensor with IP66 rating for industrial process monitoring and control. Features DIN class B accuracy of ±0.3°C at 0°C and 3.5 inch 304 stainless steel probe. Suits suspended or surface mounting in harsh environments.

Frequently Asked Questions

Where can I buy the Dwyer O-4E waterproof temperature sensor worldwide?

3G Electric is an authorized distributor of Dwyer measurement products. We handle full logistics, customs clearance, and delivery to any location globally. Contact us for availability and lead times on the O-4E RTD sensor.

What is the shipping timeline for the Dwyer O-4E temperature sensor?

Lead time depends on current stock and destination. 3G Electric manages international procurement and delivery. Request a quote for specific lead time and shipping options to your location.

Can the Dwyer O-4E sensor be used in immersion applications?

Yes. The Dwyer O-4E features a 3.5 inch 304 stainless steel probe rated IP66 and operates from -40 to +125°C. It supports suspended or surface mounting in harsh, wet industrial environments with DIN class B accuracy of ±0.3°C.

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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