According to the high and low points of the measured voltage:
High voltage test pen: used for 10kv and above projects, it is the daily testing tool for electricians;
Low voltage test pen: used for charged body detection of line voltage 500V and below.
Weak electric test pen: used for testing electronic products, the general test voltage is 6v--24v. For ease of use, the tail of the electric pen often has a lead wire with a clip.
By contact method:
Contact test pen: a detection tool that obtains electrical signals by contacting a charged body. Usually, there is a flat-blade screwdriver type, which is used for testing electric pen and flat-blade screwdriver; pen type, which directly displays the measurement data in the LCD window.
Inductive Test Pen: Inductive test without physical contact to check voltage on control wires, conductors and sockets or check for open circuit locations along wires. The personal safety of the inspectors can be guaranteed to the greatest extent.
AC Voltage Tester Pen GD116A :
Pls Clink Below Photo and Read more details about this AC Voltage Tester Pen GD116A :
