Proximity switch sensor / photoelectric switch tester in Pakitan BR1568 Description: Detecting the working state of the sensor, identify whether the sensor has faults, detection distance, sensitivity and other technical indicators, This is a small, practical and convenient sensor testing instrument. Features: Can be switched freely, whether it is AC or DC / PNP or NPN / NO or NC sensor can be used. This tester has a special M12 connector for use with connector type sensor and Photoelectric switch. LED indicators: can Identify/distinguish the working state of the sensor NPN or PNP / NO or NC. DC type: Sensor Voltage:+ Brown -  Blue Sensor Outputs:#1 Black #2 White DC connector type/ Photoelectric switch: M12 connector terminal AC type: Red terminal-Brown Black terminal-Blue Packages Include: 1 x Proximity switch sensor / photoelectric switch tester