High Precision Weld Checker – MM-122A

  • Measures Single Phase AC, DC Inverter, AC Inverter, Capacitor Discharge, Transistor, Single-phase Rectified, 3-phase Rectified, 3-phase Low Frequency
  • Current Range: 0.010 – 199.9kA
  • RMS or PEAK Values
  • 31 Weld Schedules
  • No weld current” Detection
  • Printer Connection with Standard Reports


The MM-122A is a full function, cost effective unit designed to monitor every type of resistance welding control. It’s miniature design allows it to be mounted in any position on the welding machine.