GDH-100 Contact Resistance Tester is designed to measure circuit loop resistance(contact resistance) of high/low voltage switchgear, power cable and wires, and weld joint.
Features
1. Four leads measurement method, high accuracy.
2. Adjustable testing current and low ripple.
3. Two 31/2 LED windows to display Current and Resistance.
4. Over-current and Over-heat protection.
5. Easy to operate.
6. Portable, high precision.
Specifications
Packing list

Features
1. Four leads measurement method, high accuracy.
2. Adjustable testing current and low ripple.
3. Two 31/2 LED windows to display Current and Resistance.
4. Over-current and Over-heat protection.
5. Easy to operate.
6. Portable, high precision.
Specifications
Testing current | DC 0-100A |
Max. Ripple ratio | 3% @ 100A, 20milliohm |
Measure range | 0~1.999milliohm / 0~19.99milliohm |
Resolution | 1microohm / 10microohm |
Accuracy | 1.0% |
Power supply | AC 220V+-20%, 50Hz+-1 |
Operation conditions | 0 to 40degree, RH<85% |
Dimension | 36*27*30cm |
Weight | 7.5kg |
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 |

