Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

Angst+Pfister Sensors and Power
The Electrochemical oxygen (O2) gas sensor modules from Angst+Pfister Sensors and Power utilize electrochemical technology with a measuring range of 0-25 % to support both portable and stationary device types through diffusion or forced flow gas delivery. Recognized as the smallest electrochemical sensor in the world, this unit delivers an expected operating life exceeding 36 months in normal operation while maintaining low cross sensitivity and offering 4-20 mA and digital UART Modbus protocol output signals. Submit the exact part number, quantity, and application requirements for a formal quotation.
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Angst+Pfister Sensors and Power references — within one business day.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against Angst+Pfister Sensors and Power ELECTROCHEMICAL. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.