Hand held Sensor Tester, Battery Powered Controls This sensor uses infrared (as

This sensor uses infrared (as opposed to visible) light

Type Shielded Sensing distance 9 mm +/-10% Operation mode NPN open collector - NORMALLY OPEN Differential travel 15% max

This low-profile

8 mm +/-10% Operation mode NPN open collector - NORMALLY OPEN Differential travel 15% max

Since the strip is grounded and the sensor is insulated

Hand held Sensor Tester, Battery Powered Controls This sensor uses infrared (asThis portable sensor tester allows you to check sensor operation via buzzer and or an LED indicator. It is powered by two 9 Volt batteries (not included). The sensor tester is compatible with 3 wire NPN and PNP sensors, as well as 2 wire DC sensors. It features a low battery indicator for easy maintenance.