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 Angst+Pfister Sensors and Power PO2ES-103DE is an electrochemical oxygen sensor featuring a 0 to 100% measuring range and a digital I2C output with 15-bit resolution. Suitable for both portable and stationary device types, this unit utilizes diffusion or forced flow gas delivery and incorporates an onboard EPROM for saving calibration data alongside very low cross sensitivity. It provides an expected operating life greater than 60 months in normal operation and does not carry third-party approvals. To receive pricing for this component, submit your exact part number, quantity, and application requirements for a formal quote.
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 PO2ES-103DE. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.