HAND PORTABLE SPOT WELDERS 7900-7902-7903

Tecna hand portable spot welders 7900_2kVA

Tecna's improved and lightweight portable welding machine for car body shops.

Internal electronic timer from 2 to 65 synchronous cycles with SCR.

Compensation circuit that operates the timer only if current is circulating in the spot, which allows welding on paint- or oxidised sheets or on black sheets with the best results.

Force adjustment with scale in daN. 

Additional coupling in the lower arm to provide a large opening between the arms.

Class F insulated transformer, tested at about 4000 Volts.

Tecna hand portable spot welder 7902_2,5kVA

The portable welder for versatile use from car bodywork to repairs.

Internal electronic timer from 2 to 65 synchronous cycles with SCR.

Compensation circuit that operates the timer only if current is circulating in the spot, which allows welding on paint- or oxidised sheets or on black sheets with best results.

Current control with phase regulation for delicate work, very thin thicknesses, small ø rods, stainless steel sheet etc.

Switching cosϕ control.

Force adjustment with scale in daN.

Additional coupling in the lower arm to provide a large opening between the arms.

Class F insulated transformer, tested at about 4000 Volts.

Test are made using 4000 volts.

Optional pulse welding time (P version).

Tecna hand-cooled portable welder 7903_6kVA

The fully water-cooled Tecna portable welder uses 7512 - 7513 - 7514 - 7515 arms on request.

For high operating rate works in car body repair.

For light production in industry and crafts.

Built-in synchronous electronic timer from 2 to 65 cycles with SCR.

Compensation circuit that operates the timer only if current is circulating in the spot, this allows welding on paint- or oxidised sheets or on black sheets with best results.

Current control with phase regulation for delicate work, very thin thicknesses, small ø rods, stainless steel sheet etc.

Switching cosϕ control.

Force adjustment with scale in daN.

Additional coupling in the lower arm to provide a large opening between the arms.

Class F insulation, tested at about 4000 Volts.

On request pulse welding time (P version).