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.

Omron
The Omron E3ZM-B81-C-2M is a cuboid retro-reflective sensor belonging to the E3ZM-B product family featuring M.S.R., an included E39-RP1 reflector, and transparent detection capabilities for PET bottles and trays. This stainless steel housing unit utilizes a polarized red light source with a sensing distance ranging from 100 mm to 500 mm, featuring teach-in setting methods, a PNP output type with dark-ON and light-ON operation modes, a 1 ms response time, and a 10-30 V power supply voltage connected via a 2 m cable. Submit the exact part number, quantity, and application requirements to receive 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 Omron 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 Omron E3ZM-B81-C-2M. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.