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 FCX-MLD25-DIFF-CH is an amperometric oxygen gas sensor module utilizing zirconia technology with a measuring range of 0 to 25%. This device supports both portable and stationary installations, featuring a gas flow mechanism that accommodates diffusion and forced flow alongside Rx/Tx and 3.3 V TTL level output signals. Built for extended durability, the module operates without specific approvals while delivering long lifetime performance. Submit the exact part number, quantity, and application requirements to request a 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 FCX-MLD25-DIFF-CH. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.