The SR-50 is a portable battery / mains powered capacitance discharge welder which has been
specifically designed for making thermocouple junction welds and impact welds both in the
workshop and out on site.
It has sufficient power to weld wires of up to 0.9mm diameter and has a battery charge life of at least 500 welds on maximum power. It can also be run from the mains supply via the charger.
A wait lamp with interlock is fitted to prevent the user from using the welder until the current
set charge is reached.
The SR50 case is waterproof, light and robust and made from a rigid durable plastic with an
Energy output: 0 to 30 joules.
Weld capacity: Up to 2 x 0.9 mm dia.
Battery life: At least 500 welds on full power.
Charging time: 4 hours.
Dimensions: 270 x 250 x 120mm.
Indicators and Controls:
LED indication: Indicates battery status.
Wait lamp: To prevent premature discharge.
Weld switch: Releases energy from
Potentiometer: Sets energy level.
On/off switch and power on indicator.
• Black lead with croc clip
• Welding goggles
• Spare carbons(2)
• UK Battery charger
Foot Switches, Welding Clips, Pliers,
Carbon Electrons & More