# TM801 Proximity switch tester is designed to test proximity switches with PNP and NPN outputs and comes with 4000 mAh built-in rechargeable Li-ion battery # This Proximity Switch Tester has Three (3) modes. i.e Analog Current, Analog Voltage & Digital ( Sensor Working or Sensor NOT Working) # Built-in 15-bit independent ADC with full-scale accuracy of 0.4% # Customized high definition LCD display # This tester can be used for testing inductive (metal sensing), capacitive, photoelectric, and ultrasonic proximity sensors, and allows the user to quickly and confidently check the operation of sensors, avoiding unnecessary replacement and adding fault-finding functionality. # The handheld pocket-size unit comes with an inbuilt rechargeable battery and USB charger. It can be used with two sensor voltages i.e 5V and 24V.