SR21 Fork Sensor with 2mm Slot

The SR21 is an optical high-resolution, slot fork sensor with a very fast response time for precise positioning, applying & printing of labels, even when integrated in fast machinery and processes.

• 25 kHz high switching frequency
• IR or red/green light models
• Detection of labels (SR21-IR) or print register mark on transparent films (SR21-RG)
• 4 wire NPN and PNP output
• M8 connectivity