This battery operated meter meets international standards for performing ground resistance measurements. It measures soil resistivity and ohmic resistance by means of ammeter-voltmeter test method.
This battery operated meter meets international standards for performing ground resistance measurements. It measures soil resistivity and ohmic resistance by means of ammeter-voltmeter test method.
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Compact, handy, menu-driven soil resistivity measuring instrument for 3 and 4-wire connection with continuous monitoring of interference voltage and earth electrode and probe resistance with indication if allowable limit values are exceeded.
Complete indication of all necessary values at a large dot matrix display, or warning with 4 LEDs. Easily comprehensible, simple operation with 4 keys.
Caractéristiques
Applications
The GEOHM™C is a compact instrument for the measurement of ground resistance in electrical systems like:
| Reference Conditions | |
| Battery Voltage | 5.5V ±1% |
| Ambient Temperature | 23°C ±2K |
| Relative Humidity | 40 to 60% |
| Nominal Ranges of Use | |
| Temperature Range | 0 to 40°C |
| Battery Voltage | 4.5 to 6.5V |
| Line Frequency | 50 Hz ±0.2 Hz |
| Line Voltage Waveshape | Sine (deviation between RMS and rectified value < 1%) |
| Electrical Safety | |
| Safety Class | II per IEC 61010-1 |
| Operating Voltage | 250V |
| Test Voltage | 2.3kV |
| Measuring Category | 250V CAT II |
| Fuse | F0.1H250V |
| Pollution Degree | 2 |
| Nominal Conditions of Use | |
| Series Mode Interference Voltage | < 3V AC/DC |
| Additional Error caused by Probe and Auxiliary Earth Electrode Resistance | < 5% of (R<sub>E + RA + RP) |
| Max. Probe Resistance | < 70 kΩ |
| Max. Auxiliary Earth Electrode Resistance | < 50 kΩ |
| Max. Earth and Auxiliary Earth Electrode Resistance | ≤ 50 kΩ |
| Ambient Conditions | |
| Operating Temperature | –10 to 50°C |
| Storage Temperature | –20 to 60°C (without batteries) |
| Relative Humidity | Max. 75%, no condensation allowed |
| Elevation | Max. 2000 m |
| Reference Conditions | |
| Battery Voltage | 5.5V ±1% |
| Ambient Temperature | 23°C ±2K |
| Relative Humidity | 40 to 60% |
| Nominal Ranges of Use | |
| Temperature Range | 0 to 40°C |
| Battery Voltage | 4.5 to 6.5V |
| Line Frequency | 50 Hz ±0.2 Hz |
| Line Voltage Waveshape | Sine (deviation between RMS and rectified value < 1%) |
| Electrical Safety | |
| Safety Class | II per IEC 61010-1 |
| Operating Voltage | 250V |
| Test Voltage | 2.3kV |
| Measuring Category | 250V CAT II |
| Fuse | F0.1H250V |
| Pollution Degree | 2 |
| Nominal Conditions of Use | |
| Series Mode Interference Voltage | < 3V AC/DC |
| Additional Error caused by Probe and Auxiliary Earth Electrode Resistance | < 5% of (R<sub>E + RA + RP) |
| Max. Probe Resistance | < 70 kΩ |
| Max. Auxiliary Earth Electrode Resistance | < 50 kΩ |
| Max. Earth and Auxiliary Earth Electrode Resistance | ≤ 50 kΩ |
| Ambient Conditions | |
| Operating Temperature | –10 to 50°C |
| Storage Temperature | –20 to 60°C (without batteries) |
| Relative Humidity | Max. 75%, no condensation allowed |
| Elevation | Max. 2000 m |
