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DwyerMeasurement

Dwyer Temperature sensor sealed O-4C

Dwyer sealed temperature sensor with 3KΩ thermistor and DIN class B accuracy of ±0.3°C at 0°C. IP66-rated housing with 304 stainless steel probe measuring 5.97 mm diameter and 3.5 inches long. Operates across -40 to…

SKU 3G-CBM-02321

Brand
Dwyer
Item
Temperature sensor sealed O-4C
Category
Measurement
UNSPSC
41112412 — Pressure gauge
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Technical Specifications

Dwyer
sensor type
3KΩ Thermistor
accuracy rtd
DIN class B ±0.3°C @ 0°C
housing rating
IP66
probe material
304 stainless steel
probe diameter mm
5.97
temperature range
-40 to +125°C
probe length inches
3.5

Technical Documents

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

Product Description

Dwyer sealed temperature sensor with 3KΩ thermistor and DIN class B accuracy of ±0.3°C at 0°C. IP66-rated housing with 304 stainless steel probe measuring 5.97 mm diameter and 3.5 inches long. Operates across -40 to +125°C for industrial process monitoring and HVAC applications.

Frequently Asked Questions

What is the temperature range and accuracy of the 3G-CBM-02321?

The Dwyer 3G-CBM-02321 operates from -40 to +125°C with DIN class B accuracy of ±0.3°C at 0°C. It uses a 3KΩ thermistor element and is suitable for process monitoring and HVAC applications requiring reliable sealed measurement.

What materials and protection does the 3G-CBM-02321 probe offer?

The probe is constructed from 304 stainless steel with a diameter of 5.97 mm and length of 3.5 inches. IP66-rated sealed housing protects against dust and water ingress for reliable operation in harsh industrial and HVAC environments.

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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