Description
Technical Specification
| Grounding Resistance Range | 0.01 Ω to 3000 Ω Accuracy ±1.5 % rdg ±5 dgt |
| Grounding Resistance Resolution | 0.01 Ω |
| Grounding Voltage Range | 0.01 V to 100.0 V AC Accuracy ±1 % rdg ±3 dgt |
| Grounding Voltage Resolution | 0.01 V |
| Baseline conditions | (73.4 ℉ (23 ℃), ± 41 ℉ (5 ℃)) ，below 75% RH (Auxiliary ground resistance 100 Ω ±5 %, voltage to ground <10 V) |
| Function | Earth resistance measurement, ground voltage measurement, low value resistance measurement |
| Power | 8.4 V lithium battery (built-in) |
| Backlight | Controllable gray screen backlight, suitable for use in dim places |
| Measurement methods | Grounding resistance rated current change pole method, test current > 20 mA (sine wave), 128 Hz Ground Voltage Average Rectification |
| Test frequency | 128 Hz |
| Display mode | 4-bit large LCD display, gray screen backlight |
| Measurement instructions | LED flashing indicator during measurement, LCD countdown display |
| Test line length | 3 strips red 49.2 ft (15 m), yellow 32.8 ft (10 m), green 16.4 ft (5 m) each one |
| Simple test line | 2strips red 5.2 ft (1.6 m), green 5.2 ft (1.6 m) each one |
| Auxiliary Grounding rod | 2 PCS 0.3 in x 7.87 in (φ10 mm × 200 mm) |
| Measure time | Ground voltage about 2 times or sec; grounding resistance about 5 sec or time |
| Measurement times | 5000 times or more |
| Line voltage | Measuring grounding voltage AC 100 V or less |
| USB interface | With USB interface, software monitoring, storage data can be uploaded to the computer, save and print |
| Communication Line | One USB communication line, 4.9 ft (1.5 m) long |
| Data storage | 500 groups, flashing “FULL” symbol indicates that the memory is full |
| Data review | Data review function “MR” symbol display |
| Overflow display | Over-range overflow function “OL” symbol display |
| Alarm function | Alarm when the measured value exceeds the alarm setting value |
| Battery voltage | Real-time display of battery power, reminding timely charging when battery voltage is low |
| Power consumption | Backlight 25 m A Max Standby 25 m A Max (Backlight off) measuring70 mA Max (Backlight off) |
| Overload protection | Grounding resistance AC 280 V or 3 sec between E-H and E-S ports |
| Insulation resistance | 10 MΩ, 500 V between circuit and housing) |
| Pressure resistance | AC 3700 V or ms (between circuit and housing) |
| Electromagnetic properties | IEC61010-4-3，Wireless frequency electromagnetic field≤1V/m |
| Storage temperature | -4 ℉ to 140 ℉ (-20 ℃ to 60 ℃) |
| Humidity | below 70% RH |
| Working temperature and humidity | 14 ℉ to 104 ℉ (-10 ℃ to 40 ℃), below 80% RH |
| LCD size | 4.2 in x 2.5 in (108 mm × 65 mm) |
| Size | 10.91 in x 10.92 in x 6 in (277.2 mm × 227.5 mm × 153 mm) |
| Weight | Instrument 5 lb (2.3 kg) Test lines 1.8 lb (861.5 g) Auxiliary grounding rod 0.9 lb (425 g) Instrument bag 0.5 lb (271 g) |