MM-123B High Precision Resistance Weld Checker

Previously MM-123A. Replaces MM-122A*

  • Measures Single Phase AC, DC Inverter, AC Inverter, Capacitor Discharge, Transistor, Single-phase Rectified, 3-phase Rectified, 3-phase Low Frequency
  • Measure Current, Voltage or Time
  • RMS or PEAK Values
  • 31 Weld Schedules
  • “No weld current” Detection
  • Printer Connection with Standard Reports

The MM-123B 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.

*MM-123B (previously MM-123A) replaces MM-122A in the majority of applications, please consult AMADA WELD TECH for suitability of replacement prior to purchase.

Technical Specifications

Input Power 100-240 VAC
Built in Printer No
Automation Ready Yes
Waveform Analysis No
Limit Type Peak
Measurable Parameters (Range) Current (0.1 - 199 kA)
Voltage (1.0 - 20 V)
Time (0-2000 ms)
Size (L x W x H)9.7 in x 2.8 in x 7.5 in (246 mm x 70 mm x 190 mm)
Weight4.2 lb (1.9 kg)