NY-D01 Battery Spot Welding Tool Set Digital Display Control Board with Welding Pen 9V Transformer and Metal Foot Pedal 40A 100A Optional

Features:
This control panel of the spot welding machine is independently developed for the DIY or the simple resistance welding.
Equipped with digital display, you can see the time and current directly, simple and easy to use.
Strong and weak electricity through optocoupler isolation, makes a safe operation.
The power line and the foot switch line are adopt screw free quick connection terminal, more convenient and reliable.
The input time and current are using high accuracy single-potentiometer to ensure reliable input.
Convenient on-board powersupply, state, foot, trigger indicator, working state clearly visible.
Reliable zerocrossing detection circuit to ensure that the SCR phase shift accuracy.
The controller is compatible with 100A SCR.
Digital control interface, you can display the current time and current settings.
Time input 1-50, unit cycle (1 cycles is 20ms), current input (30-99%).
Two types optional, 40A and 100A, you can choose according to your demands.