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6V DC Clamp Type Digital Earth Resistance Tester 30A 1300Ω 32mm
VICTOR 6412 Clamp Ground Resistance Tester 30A 1300Ω Clamp Open Size 32mm
Clamp-on ground resistance tester is a major breakthrough in traditional grounding resistance measurement. It is widely used in the grounding resistance measurement of the power,
telecommunications,meteorology, oilfield, construction and the industrial and electrical equipment.
Clamp-on ground resistance tester, in the measurement of a grounding system with loop, does not require breaking down the grounding wire, and need no auxiliary electrode. It is safe, fast and simple. Clamp-on ground resistance tester is equipped with a long jaw sized65mm×32mm, particularly suitable for the grounding with the flat steel. Besides, can measure leakage current and zero-sequence current with sensitive clamp. It is significant when there is noise signals and harmonic waves in grounding network to measure.
| Range | Resolution | Accuracy |
| 0-80mA | 0.05mA | ±(2.5%+1mA) |
| 80Ma-650mA | 0.5mA | ±(2.5%+2mA) |
| 650mA一4A | 5mA | ±(2.5%+10mA) |
| 4A一30A | 10mA | ±(2.5%+20mA) |
| Range | Resolution | Accuracy |
| 0.010-0.099Ω | 0.001 | ±(1%+0.01 Ω) |
| 0.10-099Ω | 0.01 Ω | ±(1.5%+0.01 Ω) |
| 1.0-49.9Ω | 0.1Ω | ±(1%+0.1 Ω) |
| 50.0-99.5Ω | 0.5Ω | ±(2%+0.5Ω) |
| 100-199Ω | 1Ω | ±(3%+1 Ω) |
| 200-395Ω | 5Ω | ±(6%+5Ω) |
| 400-590Ω | 10Ω | ±(10%+10Ω) |
| 600-1300Ω | 20Ω | ±(20%+20Ω) |