GDH-100 Contact Resistance Testers

GDH-100 Contact Resistance Testers

Contact Resistance Testers
  • Contact Resistance Testers
  • Contact Resistance Testers

General Information:

GDH-100 Loop Resistance Testers is designed to measure circuit loop resistance(contact resistance) of high/low voltage switch,power cable and wires,and weld joint.


  • Four leads measurement method, High Accuracy;
  • Adjustable testing current and low ripple;
  • Two 31/2 LED windows to display Current and Resistance;
  • Over-current and Over-heat protection;
  • Easy to operate;
  • Portable,high precision.


  • Test current: DC 0 to 100A;
  • Max. Ripple ratio: 3% @ 100A, 20mΩ;
  • Measuring range: 0~1.999mΩ / 0~19.99mΩ;
  • Resolution: 1μΩ / 10μΩ;
  • Accuracy: 1.0%;
  • Power supply: AC 220V±20%, 50Hz±1;
  • Operation conditions: 0 to 40ºC, RH<85%;
  • Dimension: 36×27×23cm;
  • Weight: 7.5kg;
  • Carrying bag: 33×26×8cm, 3kg (within 5m test leads);

Packing list:

• GDH-100 Instrument 1pc

• Carrying Bag 1pc

• Test Leads 2pcs

• Power Cord 1pc

• Spare Fuse (3A) 2pcs

• GDH-100 Manual 1pc

• Calibration Certificate 1pc

• Quality Certificate 1pc

• Warranty Card 1pc



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