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

Also listed as: DWY 52010 · DWY-52010

Brand

Dwyer

Item

Waterproof temperature sensor O-4E

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 

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                                                   3G-CBM-02323
 O-4F             20KΩ Thermistance                                             DWY52012

Technical Documents

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Technical Document 1

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Dwyer Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

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

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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