Amprobe GP-2A Ground Resistance Resistivity Tester
SKU:4129187
·Measures earth ground resistance – 3 point (fall ofpotential) or 2 point tests
·Automatically calculates resistivity – 4 point test
·Automatic voltage measurement prevents falsemeasurements
·Automatically applies three testing frequencies forthe most accurate readings
·Test leads, auxiliary electrodes and software areincluded for complete instrument
·Autoranging
·999 internal memory locations to store measurements
·RS-232 download to a personal computer
| 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 |
What’s Included
- GP-2A
- Batteries (installed)
- Connection cables
- 4 ground stakes
- PC software
- USB cable
- Carrying case
Multimeter