Complete Solution
Quick Inquiry
Dwyer Temperature sensor sealed O-4D
Dwyer sealed O-4D temperature sensor measures outdoor air in building automation and agricultural applications. Features Pt100Ω RTD with DIN class B accuracy of ±0.3°C at 0°C, IP66 housing, and 304 stainless steel…
SKU 3G-CBM-02322
Pair with a Service
Solutions Engineering
Product Description
Dwyer sealed O-4D temperature sensor measures outdoor air in building automation and agricultural applications. Features Pt100Ω RTD with DIN class B accuracy of ±0.3°C at 0°C, IP66 housing, and 304 stainless steel construction rated -40 to +125°C. Ideal for surface or suspended mounting.
Used in
Common applications for DwyerDwyer 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.
You might also need
More from Dwyer
View all Dwyer parts →Need a complete solution?
Product selection, system design, installation, and ongoing maintenance — all from one partner.



