ifm electronic GmbH
ifm electronic GmbH
Reflex light barriers by ifm electronic GmbH
For a retro-reflective sensor the transmitter and receiver are incorporated into one housing. By means of a reflector the transmitted light is returned to the receiver.
An object in the beam path interrupts the beam and triggers a switching operation. Retro-reflective sensors without polarisation filter operate in the infrared area, systems with polarisation filter with visible red light.