Counter Meter connection with sensors (npn pnp)and Relay | counter meter operation without sensors

universal counter meter connection video
• Digital counter meter ...
how to check sensors is pnp and npn
• How to check sensor is...
Counter meter connection with sensors NPN and PNP.
Counter meter operation wothout sensors.
Counter ko bina sensors ke kaise operate kare Relay ke sath.
How to connect relay with counter meter and start counting.
Counter ke sath photo cell ka connection kaise kare.
Any type of counter connection with proximity switch aur capacitive sensors.
sensors details - all connection of sensors
npn and pnp sensors connection details.