Ground Resistance Tester YH300 
 Ground Resistance Tester YH300 
 Ground Resistance Tester YH300 General Characteristics: 
 With digital display and analog bar display. 
 Two pole and three pole ground resistance measurement mode two. 
 Grounding resistance measurement method is the use of constant current converter, current is about 
 3mA, the test voltage of about 47V, 800HZ. 
 Ground voltage measured by the average rectification method. 
 With manual / automatic range feature. 
 Maximum / minimum / average measurement and relative value measurement. 
 Auto power off function. 
 Data storage capabilities with a set of measurement data can be saved 100. 
 With backlight, with a low voltage display. Power Supply: 1.5V (AA) × 6. 
 Ground Resistance Tester YH300 Specifications: 

 Ground resistance 
 Range Accuracy 
 40Ω ± 2% ± 3 words 
 400Ω ± 2% ± 3 words 
 4000Ω ± 2% ± 3 words 
 Ground voltage 50V (AC) ± 3% ± 5 words