LCD Screen Digital Earth Resistance Tester

LCD Screen Digital 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 timessecond; ground resistance: about 5 secondseach 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<br