Amprobe GP-2A Ground Resistance Resistivity Tester
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Brand:Amprobe
Branch: Industrial Grade
Category: Power Quality Analyzers
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Model: Amprobe GP-2A Ground Resistance Resistivity Tester
Poor grounding is dangerous and contributes to unnecessary downtime and increases the risk of equipment failure. The Amprobe GP-2A Ground Resistance Resistivity Tester provides accurate and honorable measurements for field resistance and soil resistivity to assure the safety and produce an effect of an electrical system. The GP-2A is hermetically sealed once PC software that allows the adherent to download vital recorded measurements and to make professional reports for customers.
Specifications: Amprobe GP-2A Ground Resistance Resistivity Tester
| FEATURE | Range | Accuracy |
| Ground resistance (2 and 3-wire method) |
0.01 Ω – 19.99 Ω / 199.9 Ω / 1999 Ω 19.99 kΩ / 49.9 kΩ |
±(2.5% rdg + 2 LSD) |
| Ground Resistivity (4-wire) | 0.06 Ωm – 19.99 Ωm / 199.9 Ωm / 1999 Ωm 19.99 kΩm / 199.9 kΩm / 314 kΩm |
±(2.5% rdg + 2 LSD) |
| Voltage Measurement | 0 V – 460V | ±(2.5% rdg + 2 LSD) |
| ADDITIONAL FUNCTIONS / FEATURES | |
| Ranging | Auto |
| Noise Voltage Detection | Yes |
| Display Backlight | Yes |
| Data Storage | up to 999 readings |
| PC Connection | Yes |
| Auto Power Off | Yes |
| Low Battery Indication | Yes |
| ELECTRICAL SPECIFICATIONS | ||
| Resistance Measurement | Open circuit voltage ≤ 25 Vrms Test current ≤12 mA Measuring Frequency 77.5 Hz ± 1 Hz |
|
| Measuring Range | 3- and 2-wire earth resistance measurement: 0.08 Ω – 49.9 kΩ Earth resistivity (4-wire): 0.50 Ωm – 314 kΩm |
|
| Maximum Deviations | Influence factor | Deviation influence |
| E1 Position | 0.3% | |
| E2 Supply voltage | 0.1% | |
| E3 Temperature | 0.1% | |
| E4 Serial interference voltage | 0.4% | |
| E5 Probe and auxiliary probe resistance | 0.9% | |
| Electromagnetic Compatibility | Complies with IEC/EN 61326 | |
| GENERAL SPECIFICATIONS | |
| Measuring Function | Earth ground resistance – 3 point (fall of potential) or 2 point tests Earth resistivity – 4 point test Noise voltage |
| Display | LCD with backlight, visible area 73 x 65 mm |
| Operating Altitude | ≤ 2000 meters |
| Operating Temperature | 0 °C to +40 °C (32 °F to 104 °F) |
| Storage Temperature | -10 °C to +60 °C (14 °F to 140 °F) |
| Humidity (without condensation) |
<80% |
| Power Supply | Six 1.5V batteries AA R6 MN1500 or six 1.2V AA R6 Ni-MH 2100mA rechargeable batteries |
| Battery Life | Approximately 500 tests |
| Auto Power Off | 3 minutes |
| Overvoltage Category | CAT III 240V safety rated (phase to earth), maximum 415V between inputs |
| Safety | IEC/EN 61010-1, CAT III 240 V, pollution degree 2 IEC/EN 61010-031 for test lead accessories IEC/EN 61557-1/-5 |
| EMC | IEC/EN 61326 |
| Size (H x W x L) | Approximately 235 x 165 x 75 mm (9.25 x 6.50 x 2.95 in) |
| Weight | Approximately 1 kg (2.2 lb) with batteries installed |
| Included Accessories | Four ground stakes, test lead set, alligator clip set, USB cable, USB driver software, carrying case and users manual |
| Warranty | One year |
Key Features: Amprobe GP-2A Ground Resistance Resistivity Tester
- Measures earth ground resistance – 3 point (fall of potential) or 2 point tests
- Automatically calculates resistivity – 4 point test
- Automatic voltage measurement prevents false measurements
- Automatically applies three testing frequencies for the most accurate readings
- Test leads, auxiliary electrodes, and software are included for complete instrument
- Autoranging
- 999 internal memory locations to store measurements
- RS-232 download to a personal computer
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