LCD Screen Digital Earth Resistance Tester, Earth Resistance Tester

1. Ground resistance measurement range: 0.01 ohm - 3000 ohm, accuracy ±1.5% rdg ±5dgt
2. Ground resistance resolution: 0.01 ohm
3. Ground voltage measurement range: 0.01 - 600V AC, accuracy ±1.5% rdg ±3dgt
4. Ground voltage resolution: 0.01V
5. Baseline conditions: 23℃ ± 5℃, below 75% rh; auxiliary ground resistance 100 ohm ±5%, ground voltage less than 10V
6. Functions: ground resistance measurement, ground voltage measurement, low resistance measurement
7. Power supply: DC 6V 1.5V LR14 battery (battery not included in shipment)
8. Backlight: adjustable gray-white screen backlight, suitable for dim places
9. Measurement method: precise three-wire measurement, simple two-wire measurement
10. Measurement method: ground resistance: rated current change method, maximum measurement current 30mA, 128Hz; ground voltage: average rectification
11. Resistance line check: avoid errors caused by incomplete insertion of test lines into the instrument interface or poor contact or user replacement of extended test lines, making ground resistance measurement more accurate
12. Display mode: 4-digit large LCD display, gray-white screen backlight
13. Measurement indication: LED flashes during measurement, LCD countdown display
14. Measurement time: ground voltage: about 2 times/second; ground resistance: about 5 seconds/each measurement
15. Measurement times: more than 5000 times
16. Line voltage: measurement of ground voltage: AC 600V or below
17. USB interface: has USB interface, software monitoring, data can be uploaded to the computer for storage and printing
18. Communication line: USB communication line 1, 1.5m long
19. Data storage: 500 groups, full symbol flashing indicates storage is full
20. Data inquiry: data inquiry function: MR symbol displayed
21. Overflow display: over-range overflow function: OL symbol displayed
22. Alarm function: alarm prompt when measurement value exceeds alarm set value
23. Battery voltage: real-time display of battery voltage, reminder to charge when battery voltage is low
24. Power consumption - backlight: max 25mA
25. Power consumption - standby: max 25mA (backlight off)
26. Power consumption - measurement: max 70mA (backlight off)
27. LCD size: about 10.8 x 6.5cm
28. Instrument size: about 24 x 18.8 x 8.5cm
29. Test Line length: 3 lines: red 15m, yellow 10m, green 5m each 1 line
30. Simple test line: 2 lines: red 1.5m, green 1.5m each 1 line
31. Auxiliary ground rods: 2 rods