1. Clear LCD display: Equipped with a large LCD display with blue backlight, which makes the readings clear and accurate.
2. Accurate measurement: Uses the latest digital technology for precise 4-pin, 3-pin and 2-pin methods for grounding resistance measurement.
3. Data upload function: has a USB interface for easy uploading of data and storing up to 300 groups for convenient tracking.
4. Anti-interference design: Unique ability to adapt to different environments, ensuring high accuracy and stability of measurements.
5. Wide application: ideal for use in electricity, telecommunications, construction and more for different types of measurements.

Technical data:
Condition: brand new
Item Type: Grounding Resistance Tester
Material: ABS
Basic conditions and working conditions.
Influence of the basic conditions working environment. Note:
Ambient temperature: 23°C ± 1°C -10°C - 40°C.
Ambient humidity 40%-60% operating voltage 9V±0.1V 9V±1.5V rC, rP.
Auxiliary grounding resistance interference voltage no interference current no electrode distance when measuring R A>5d A>5d
Electrode spacing when measuring Min: A>20h A>20H
Features measurement of 2/3/4-pin grounding resistance, ground resistance, grounding voltage, AC voltage.
Power supply DC 9V (Zi-Mn dry battery R14S 1.5V, pack of 6, 300 hours continuous operation) (battery not included)
Grounding resistance measurement range: 0.00Ω-30.00kΩ
Ground resistance: 0.00Ωm-9000kΩm
Measurement method: accurate 4-pole measurement, 3-pole measurement, easy 2-pole measurement.
Measurement methods grounding resistance: pole change method for rated current, measuring current maximum 20 mA
Ground resistance: 4-pole measurement (winner method)
Earth voltage: average rectification (between P(S)-ES)
Measuring frequency 128 Hz / 111 Hz / 105 Hz / 94 Hz (AFC).
Short circuit test current AC maximum 20 mA.
Idle test current AC 40V or less
Test voltage waves sine waves
The electrode distance range can be adjusted from 1m to 100m
Transmission resistance: 0.00 Ω to 30.00 kΩ, automatic change.
Ground resistance: 0.00 Ωm-9000 kΩm, automatic change.
Backlight blue backlight, suitable for dark places
Display mode 4-digit large LCD display with blue backlight
Measuring standard during measurement, LED flashing indicator, LCD countdown display, progress bar indicator
LCD frame size approx. 128 x 75 mm / 5.0 x 3.0 inches.
LCD window size: approx. 124 x 67 mm / 4.9 x 2.6 inches.
Size: approx. 215 x 170 x 75 mm / 8.5 x 6.7 x 3.0 inches.
Standard test cable 4 cables: each red 20 m, black 20 m, yellow 10 m and green 10 m.
Simple test lead 2 leads: red 1.6 m and black 1.6 m
Auxiliary grounding rod 4 rods: Φ10 x 150 mm / 0.4 x 5.9 inches.
Measurement rate grounding voltage: approx. 3 times/second.
Ground resistance, ground resistance: approx. 5 seconds/time.
Measuring time: more than 5000 times (short circuit test). , the interval time should be at least 30 seconds)
Mains voltage under AC 600 V.
RS232 interface With RS232 interface, software monitoring, stored data can be uploaded, saved or printed to the computer.
Communication line One RS232 communication line, length 1.5 m.
Data storage 300 sets, "MEM" symbol memory display, flashing "FULL" symbol indicates that the memory is full
Data storage data storage function: "Hold". Icon display.
Data access data reading function: icon display "READ".
Overflow indicator. Area overflow function: symbol display "OL".
Interference test automatically identify interference signals and display the "NOISE" symbol when the interference voltage exceeds 5 V
Auxiliary grounding test can measure auxiliary grounding resistance, 0.00 kΩ-30 kΩ (100 R + rC).

Package list:
1 x Earth Resistance Tester (Battery not included)
4 x Standard Test Lead
4 x auxiliary grounding rods.
2 x Test Lead, 1 x RS232 Communication Line
1 x CD.
1 x aluminium housing.
1 x user manual (English language

Note:
1. Due to manual measurement, there may be a 0 to 1 inch deviation. Thank you for your understanding.
2. As monitors are calibrated differently, the colour of the item shown in the photos may differ slightly from the actual object. Please take the original as standard.