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Perform earth resistance measurements of simple or complex electrode systems, ground resistivity measurements (4-wire Wenner´s principle), and spurious voltage measurements according to IEC 61557-5.
The equipment injects an electronically generated current in the soil. Both current and voltage developed are measured with high precision.
| OPERATION FREQUENY | During R measurement, operator should select the following test frequencies: 270 Hz ± 1 Hz or 1470 Hz ± 1 Hz |
| VOLTMETER | In the voltmeter function, the equipment operates as a CA conventional voltmeter, making it possible to measure voltages generated by parasitic currents. |
| MEASUREMENT RANGES | Resistance: 0 - 20 kΩ (autoranging) Resistance: 0 - 20 kΩ (autoranging) Resistivity: 0 - 50 kΩm (autoranging) Voltage: 0 - 60 V |
| ACCURACY | Resistance and Resistivity measurements: R ≤ 2 kΩ: ± (2% of the measured value ± 2 digits) R > 2 kΩ: ± (5% of the measured value ± 2 digits) Voltage measurement: ± (3% of the measured value ± 2 digits) |
| READING RESOLUTION | 0.01 Ω in the resistance measurement 0.01 Ωm in the resistivity measurement 0.1 V in the voltage measurement |
| OUTPUT CURRENT | The short-circuit current is limited to less than 3.5 mA RMS (according to IEC 61557-5 - 4.5) |
| IMMUNITY TO SPURIOUS VOLTAGE INTERFERENCE |
During the R measurement, it allows the presence of spurious voltage up to 7 V. |
| EARTH RESISTANCE OF AUXILIARY RODS | In the R measurement it allows Raux up to 50 kΩ with error <30%. |
| BATTERY STATUS CHECK | The battery charge status is verified under normal use conditions. |
| ADVANCED FEATURES | Automatic detection of abnormal conditions that may cause excessive errors (low battery, too high noise interference, too high test spike resistance) |
| SOIL RESISTIVITY COMPUTING | When performing soil resistivity measurements, the operator provides the distance between spikes and the equipment automatically computes soil resistivity using the Wenner method |
| DATA OUTPUT | USB interface |
| BUILT-IN PRINTER (OPTIONAL) | Print-out of measured values |
| POWER SUPPLY | Internal rechargeable battery, 12 V - 2.3 Ah |
| BATTERY CHARGER | For 100-240 V mains supply |
| SAFETY CLASS | Meets IEC 61010-1:1990,IEC 61010-1:1992 amendment 2. |
| E.M.C. | In accordance with IEC 61326-1 |
| ELECTROSTATIC IMMUNITY | In accordance with IEC 1000-4-2 |
| ELECTRO MAGNETIC IRRADIATION IMMUNITY | In accordance with IEC 61000-4-3 |
| ENVIRONMENTAL PROTECTION | IP54 (with closed lid) |
| OPERATING TEMPERATURE | -10°C to 50°C |
| STORAGE TEMPERATURE | -25°C to 65°C |
| HUMIDITY | 95% RH (without condensation) |
| DIMENSIONS (approx.) | 11” (274 mm) L x 10” (250 mm) W x 5” ( 124 mm) H |
| WEIGHT (approx.) | 10 lbs ( 3.6 kg) |
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