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Dwyer Sealed temperature sensor O-4F

Dwyer sealed temperature sensor with RTD Pt100Ω element for process measurement across -40 to +125°C. Delivers ±0.3°C accuracy at 0°C with IP66 rating and stainless steel 304 construction. Supports both suspension…

SKU 3G-CBM-02324

Also listed as: DWY 52012 · DWY-52012

Brand
Dwyer
Item
Sealed temperature sensor O-4F
Category
Measurement
UNSPSC
41112412 — Pressure gauge
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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
accuracy
±0.3°C @ 0°C
mounting
Suspension or surface
ip rating
IP66
sensor type
RTD Pt100Ω
probe material
Stainless Steel 304
probe length mm
88.9
probe diameter mm
5.97
temperature range
-40 to +125°C

Datasheet Content

Série O-4 Capteurs de température étanche IP66, Bloc de Jonction Amovible 2X 2X .250 .375 2X Ø.188 3-31/64 [88.5] 3 [76.2] 4 6-3/8 [101.6] [161.48] 1-27/64 [36.12] 1-31/64 [37.70] 2x 5/16 [7.94] 2-3/4 [69.85] La Série O-4 Capteurs de Température de l’Air Extérieur est excellent pour la SPÉCIFICATIONS surveillance des températures de l’air ambiante dans le cas d’applications en espace extérieur. Précision : Capteur de température de thermistance : ±0.22°C @ 25°C ; Les capteurs de température sont montés dans un boîtier IP66 avec des ergots de montage RTD capteur de température : DIN classe B : ±0.3°C @ 0°C. intégraux. Ces ergots peuvent être utilisés pour le montage en surface ou en suspension des Température de fonctionnement : -40 à +125°C. capteurs de température. Le bloc de jonction amovible rend l’installation plus aisée. La Série Diamètre de la Sonde : 5.97 mm. O-4 peut être utilisée pour mesurer les températures de l’air extérieur dans les systèmes Longueur de la Sonde : 3.5”. d’automation de bâtiments ou de températures de chambres au sein de demeures agricoles Matériau de la Sonde : inox 304. ventilées. Montage : En suspension ou en surface. Caractéristiques du Boîtier : IP66. Modèle Type de Capteur Réf. Poids : 85 g. O-4A 10KΩ Type III Thermistance DWY52002 O-4B 10KΩ Type II Thermistance DWY52004 O-4C 3KΩ Thermistance DWY52006 O-4D Pt100Ω RTD DWY52008 O-4E Pt1000Ω RTD DWY52010 O-4F 20KΩ Thermistance 3G-CBM-02324

Technical Documents

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

Product Description

Dwyer sealed temperature sensor with RTD Pt100Ω element for process measurement across -40 to +125°C. Delivers ±0.3°C accuracy at 0°C with IP66 rating and stainless steel 304 construction. Supports both suspension and surface mounting in industrial applications.

Frequently Asked Questions

What is the Dwyer O-4F sealed temperature sensor used for?

The Dwyer O-4F sealed temperature sensor is used for measuring outdoor air temperature in building automation systems and ventilated agricultural rooms. It features a 20KΩ thermistor element and is housed in an IP66 enclosure for reliable ambient air monitoring in industrial and commercial environments.

What are the specifications of the Dwyer O-4F temperature sensor?

The Dwyer O-4F has a 20KΩ thermistor sensor, operating temperature range of -40 to +125°C, and accuracy of ±0.22°C at 25°C. It features a stainless steel 304 probe (5.97 mm diameter, 88.9 mm length), IP66 enclosure, and supports suspension or surface mounting.

Where to buy the Dwyer O-4F in Singapore?

You can source the Dwyer O-4F sealed temperature sensor through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this Dwyer model.

How to install the Dwyer O-4F temperature sensor?

The Dwyer O-4F can be installed using its integral mounting tabs for either suspension or surface mounting. The removable junction block simplifies wiring connections. Ensure the IP66 enclosure is properly sealed after installation to maintain weather resistance in outdoor applications.

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

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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