ARO offers a complete range of Miyachi welding parameter measuring instruments (current and time) and a selection of accessories: belts, current measuring coils and printer.

Digital torque Wrench
Instrument for measuring the pressure between electrodes. It is available in three versions: 500, 1,500 and 3,000 daN. It gives a direct reading of the force and stores the value before reset. The 23 mm thick pads and its low weight of 635 g make it an ideal pressure measurement tool.

Mechanical Dynamometer
Instrument for measuring the pressure between electrodes. It is available in two versions: 0 to 1,000 daN and 0 to 2,000 daN. The compression force distorts a groove which moves the measurement rod and a needle on a reading dial. As the pads are thin (18 and 25 mm), they can be used in places where access is difficult.

Oil Dynamometer
Instrument for measuring the pressure between electrodes. It is available in two versions: 40 to 400 daN and 100 to 1,000 daN. Operation is ensured by a hydraulic circuit. It can be used without cutting off the current as the pads provide insulation and their concave shape ensures the correct positioning of the electrodes.