Spots Welding Control Board Digital Display Time and Current Adjustable Single and Double Pulse Adjustment

Features:
The layout of component is tightly, reducing the size of the control board is facilitate to your DIY process.
The percentage display of time and current makes the time and current will be watched at a glance, time is from 20ms to 1.5s, current is the percentage of maximum power to minimum power of transformer.
Single chip precise control of the discharge pulse duration time, premium optocoupler isolation of strong and weak electricity, safer operation.
Time and current button adjustment, more convenient operation, more concise, and eliminate the virtual position problem of potentiometer after long time use.
Power supplys input and foot trigger switch jack for xh 2.54 plug, applicable to the common plug on the market, more convenient wiring.
Single and double pulse adjustable design, with optimized spots welding count, the electricity saved and other functions.
Sudden power failure shutdown parameters will be automatically saved to facilitate another welding, the another boot does not need to recommission.
Two types optional, you can choose 40A and 100A according to your demands.
40A can take a microwave oven transformer, 100A can take two microwave oven transformer, the use of the transformer recommended 100A, the use of more than 5kg transformer recommended.