UNI-T UT521 earth tester is using micro controller with high accuracy and reliability to measure electric wire,
electric installation, anti-thunder equipment earth resistance.
The Tester is using micro controller with high accuracy and reliability; it can measure
every electric wire, electric installation, anti-thunder equipmentís earth resistance
value of those earth system. Also, it can carry earth voltage measurement. (Note:
the Tester should not be used outdoor hazard environment, like raining, thunder
1 With backlight display and battery check function.
2 Data logging for 20 sets of data.
3 With auto switch-off save energy function.
4 Precision 3-Wires Testing and Simple 2-Wires Testing.
5 During earth voltage testing, if C port or E port don't contact properly, LCD display
will show"- - - - "indication.
6 Over-range Display"OL"indication.
7 Double insulation or reinforced insulation safety manufacturing.