Overview
Agro Enviro Tests the high-quality soil tester is designed to measure earth electrode resistance and soil resistivity. For use on large or more complex earth systems, which include communications earth systems and difficult test environments With the latest technology in a small-sized, robust, and easy-to-use instrument, this series of earthing resistance testers are mainly used to test the earthing resistance of transformer, lightning-proof system, high-voltage power tower telecommunication equipment, etc, providing a perfect solution for the earthing-resistance test There are three models of this series, including Meter A, Meter B, and Meter C, which can meet various requirements of different customers.
Technical Specifications
| Test circuit current | ≤ 250 mA |
| Operating Temperature | 32 °F to 104 °F (0 ℃ to 40 ℃) |
| Power supply | 1.5 V LR 4 x 10 |
| Display | LCD Display |
| Feature | 3-pole and 4-pole mode |
| Accuracy Class | ± (5% + 10) |
| Measuring Range | 0 kΩ to 300 kΩ |
| Noise voltage range | ± 1 to ± 50 V DC AC |
| 3 pole & 4 pole earthing-resistance test | Test voltage AC 20 V or 48 V Test frequency 94 Hz or 105 Hz 111 Hz 128 Hz or AFC 94 Hz or 128 Hz Earthing-resistance range 0.02 k to 300 k 0.1 k to 30 k 0.1 k to 20 k |
| Selective mode (3 pole + or 4 pole+) | Test voltage AC 20 V or 48 V Test frequency 94 Hz or 105 Hz 111 Hz 128 Hz or AFC Earthing-resistance range 0.02 k to 20 k 0.1 k to 10 k |
| Non-auxiliary-polar mode | Test voltage AC 48 V Test frequency 94 Hz or 105 Hz 111 Hz 128 Hz or AF Earthing-resistance range 0.02 to150 0.1 to 150 |
| 2 pole R~ | Test voltage AC 20 V Test frequency 94 Hz or 105 Hz 111 Hz 128 Hz or AFC 94 Hz 128 Hz Earthing-resistance range 0.02 k to 300 k 0.1 k to 30 k 0.1 k to 20 k |
| 2 pole or 4pole R | Test voltage DC 20 V Earthing-resistance range 0.02 k to 3k 0.1 k to 3 k |
| Interfering voltage or current or frequency |
Interfering voltage 1 V to 50 V DC or AC Interfering frequency 16 Hz to 400 Hz Interfering current 20 mA to 2 A |
| Soil resistivity ρ | Test voltage AC 20 V or 48 V Test frequency 94 Hz or 105 Hz 111 Hz 128 Hz or AFC 94 Hz or 128 Hz Range 0.01 mi to 621.37 mi (0.02 km to 1000 km) |
| RK (wire compensation) | Test voltage AC 20 V or 48 V Test frequency 94 Hz or 105 Hz or 111 Hz 128 Hz AFC 94 Hz or 128 Hz Range 0.02 to 30 0.1 to 30 0.1to 30 Test current ≤ 250 mA ≤ 100 mA ≤ 100 mA |
| Dimensions | 11.22 in x 9.06 in x 4.92 in (285 mm x 230 mm x 125 mm) |
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