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**Technical details**

3-pole earth resistance | |

Test voltage | 20, 48V AC |

Test frequency | 94 Hz, 105 Hz, 111 Hz, 128 Hz, AFC |

Short circuit current | 250-mA |

Test time | 26 seconds |

Probe resistance Rs | <100 kΩ |

Auxiliary earth resistance Rh | <100 kΩ |

Resolution | 0.001 Ω |

Measuring range Re | 0.02 Ω ... 300 kΩ |

Accuracy | ± (5% + 10 digits) |

Ust | < 24V |

Fst | 16 ... 400 Hz |

The accuracy is ensured in an environment of 0 ... 28°C / 32 ... 82°F, < 80% RH (non-condensing). Response time < 15 seconds (Time required to reach the specified accuracy, after the start of the measurement with the average function switched off.) | |

4-pole grounding resistor | |

Test voltage | 20, 48V AC |

Test frequency | 94 Hz, 105 Hz, 111 Hz, 128 Hz, AFC |

Short circuit current | 250-mA |

Test time | 30 seconds |

Probe resistance Rs | < 100 kΩ |

Auxiliary earth resistance Rh | < 100 kΩ |

Resolution | 0.001 Ω |

Measuring range Re | 0.02 Ω ... 300 kΩ |

Accuracy | ± (5% + 10 digits) |

Ust | < 24V |

Fst | 16 ... 400 Hz |

The accuracy is ensured in an environment of 0 ... 28°C / 32 ... 82°F, < 80% RH (non-condensing). Response time < 25 seconds (Time required to reach the specified accuracy, after the start of the measurement with the average function switched off.) | |

3-pole earth resistance with current clamp | |

Test voltage | 20, 48V AC |

Test frequency | 94 Hz, 105 Hz, 111 Hz, 128 Hz, AFC |

Short circuit current | 250-mA |

Test time | 26 seconds |

Probe resistance Rs | < 100 kΩ |

Auxiliary earth resistance Rh | < 100 kΩ |

Resolution | 0.001 Ω |

Measuring range Re | 0.02 Ω ... 20 kΩ |

Accuracy | ± (5% + 10 digits) |

Ust | < 24V |

Fst | 16 ... 400 Hz |

The accuracy is ensured in an environment of 0 ... 28°C / 32 ... 82°F, < 80% RH (non-condensing). Response time < 25 seconds (Time required to reach the specified accuracy, after the measurement has started with the average function switched off.) If the current on the current probe is too low, the measurement can be aborted. | |

4-pole earth resistance with current clamp | |

Test voltage | 20, 48V AC |

Test frequency | 94 Hz, 105 Hz, 111 Hz, 128 Hz, AFC |

Short circuit current | 250-mA |

Test time | 26 seconds |

Probe resistance Rs | < 100 kΩ |

Auxiliary earth resistance Rh | < 100 kΩ |

Resolution | 0.001 Ω |

Measuring range Re | 0.02 Ω ... 20 kΩ |

Accuracy | ± (5% + 10 digits) |

Ust | < 24V |

Fst | 16 ... 400 Hz |

The accuracy is ensured in an environment of 0 ... 28°C / 32 ... 82°F, < 80% RH (non-condensing). Response time < 25 seconds (Time required to reach the specified accuracy, after the measurement has started with the average function switched off.) If the current on the current probe is too low, the measurement can be aborted. | |

Grounding resistor only with current clamps | |

Test voltage | 48V AC |

Test frequency | 94 Hz, 105 Hz, 111 Hz, 128 Hz, AFC |

Short circuit current | 250-mA |

Test time | 26 seconds |

Measuring range Re | 0.02 Ω ... 150 Ω |

Resolution | 0.001 Ω |

Accuracy | ± (5% + 10 digits) |

Ust | < 24V |

Fst | 16 ... 400 Hz |

The accuracy is ensured in an environment of 0 ... 28°C / 32 ... 82°F, < 80% RH (non-condensing). Response time < 25 seconds (Time required to reach the specified accuracy, after the measurement has started with the average function switched off.) If the current on the current probe is too low, the measurement can be aborted. | |

Soil resistance (removal resistance) | |

Test voltage | 20, 48V AC |

Test frequency | 94 Hz, 105 Hz, 111 Hz, 128 Hz, AFC |

Short circuit current | 250-mA |

Test time | 26 seconds |

Resolution | 0.001 Ω * m |

Measuring range Re | 0.02 Ω ... 1000 kΩ * m |

Accuracy | ± (5% + 10 digits) |

2-pole resistance measurement (AC) | |

Test voltage | 20V AC |

Test frequency | 94 Hz, 105 Hz, 111 Hz, 128 Hz, AFC |

Short circuit current | 250-mA |

Test time | 26 seconds |

Measuring range Re | 0.02 Ω ... 300 kΩ |

Resolution | 0.001 Ω |

Accuracy | ± (5% + 10 digits) |

Ust | < 24V |

Fst | 16 ... 400 Hz |

2-pole resistance measurement (DC) | |

Test voltage | 20V DC |

Short circuit current | 250-mA |

Test time | 26 seconds |

Measuring range Re | 0.02 ... 3 kΩ |

Resolution | 0.001 Ω |

Accuracy | ± (5% + 10 digits) |

Ust | < 3V |

Fst | 16 ... 400 Hz |

4-pole resistance measurement (DC) | |

Test voltage | 20V DC |

Short circuit current | 250-mA |

Test time | 26 seconds |

Measuring range Re | 0.02 Ω ... 3 kΩ |

Resolution | 0.001 Ω |

Accuracy | ± (5% + 10 digits) |

Ust | < 3V |

Fst | 16 ... 400 Hz |

Line compensation | |

Test voltage | 20, 48V AC |

Test frequency | 94 Hz, 105 Hz, 111 Hz, 128 Hz, AFC |

Short circuit current | 250-mA |

Test time | 26 seconds |

Resolution | 0.001 Ω |

Measuring range Re | 0.02 Ω ... 30 Ω |

Accuracy | ± (3% + 10 digits) |

Ust | < 24V |

Fst | 16 ... 400 Hz |

Interference voltage | |

Measuring range | ± 50V DC |

1 ... 50V AC | |

Resolution | 0.1V |

Accuracy | ± (5% + 5 digits) |

Interference current | |

Measuring range | 20-mA ... 2 A |

Resolution | 1-mA |

Accuracy | ± (5% + 5 digits) |

Interference frequency | |

Measuring range | 16 ... 400 Hz |

Resolution | 1 Hz |

Accuracy | ± (1% + 10 digits) |

Other specifications | |

Data storage | 100 readings |

Operating conditions | 0 ... 40°C / 32 ... 104°F, < 80% RH (non-condensing) |

Charge ambient conditions to the battery | 10 ... 40°C / 50 ... 104°F, < 80% rh (non-condensing) |

Storage conditions | -10 ... 50°C / 50 ... 122°F, < 90% rh (non-condensing) |

Storage conditions for the battery | -20 ... 30°C / -4 ... 86°F, < 80% rh (non-condensing) |

Storage height | < 12,000 m / 39,370 ft |

Operating altitude | < 2,000 m / 6,561 ft |

Clamp diameter | 51 mm |

Display | Backlit LCD, 9,999 digits |

Display measuring range exceeded | > LIMIT |

Display below measuring range | - |

Measuring frequency earthing resistance / leakage current | 1 Hz (If the average value function is activated: one value every four seconds) |

Measuring frequency voltage measurement | 2 Hz |

Measuring frequency interference voltage | 4 Hz |

Measuring frequency interference frequency | 1 Hz |

Measuring frequency interference current | 1 Hz |

interfaces | Measuring connection: E, ES, S, H, pliers connection USB-B, charging connection |

Power supply batteries | 6 x 1.5V D LR14 batteries |

Power supply battery | 1 x 7.2V nickel-metal hydride battery pack |

Power supply power supply | Primary: 100 ... 240V, 50 ... 60 Hz |

Secondary: 12V, 3A | |

Max. Power consumption with power supply | 15V A |

Max. Power consumption with battery or rechargeable battery | 6V A |

Running time in battery mode | About 5 hours |

Running time in the battery | About 9 hours (without backlight) |

Maximum input voltage | |

Maximum input voltage relative to earth | 300V rms (CAT III) |

Insulation thickness | 6880V AC: 15 seconds |

Overvoltage protection | 250V AC between the connections |

Dimensions | 260 x 125 x 280 mm / 10.2 x 4.9 x 11 in |

Weight | About 2.5 kg / 5.5 lbs |

Standardize | Safety: EN61010-1: 2001, EN61010-031: 2002 |

Pollution degree 2, CAT III 300V, | |

EMC: EN61000-3-2: 2000, IEC61326-1: 1997 A |

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