High Precision Low Ripple Loop Resistance Tester GDH-100
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
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
| 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 |