[Enhanced Safety Features] The reinforced insulation safety structure and double insulation safety make measurements safer and more reliable. it can store up to 20 sets of data.
[Full-functionality and Accurate] With more complete functions and higher accuracy, this tester includes a warning for poor test line , over-range display, and ol display.
[Portable and Convenient] It comes with a portable carrying , making it easy and convenient to carry. ideal for outdoor use, offering reliability and ease of operation.
[Measure Various Grounding Devices] It can be used to measure the ground value of power facility wiring, electrical equipment, anti thunder equipment, and other grounding devices, as well as ground voltage.
[ and Reliable] This professional digital insulation earth tester offers and reliable results. it features a variety of gears suitable for different environments, with the ability to switch between voltage and gears.

Spec:

Item Type: Earth Tester
Material: ABS+Alloy Steel
Color: As shown in the picture
Model: GT5105A
Battery: 1.5V AAx6 (not included)
Application: Ground measurement
Ground Voltage Measurement: Average response
Grounding Measurement: Test signal frequency: about 820Hz, current: 20Ω about 3.2mA
Working Temperature: 5~40℃
Relative Humidity: ≤80%RH (no fog)
Altitude: ≤2000m
Storage Conditions: Temperature: -20~60℃; humidity: ≤70%RH (no fog)
Grounding Gear: 200V AC (10s)
Grounding Voltage Gear: 400V AC (30s)
Insulation : The insulation between the measuring circuit and the is not less than 20MΩ
Basic Function Range Accuracy Resolution
Ground 20Ω ±(2%+10) 0.01Ω
200Ω ±(2%+3) 0.1Ω
2000Ω ±(2%+3) 1Ω
2000Ω (two wires) ±(2%+5) 1Ω
Ground Voltage 200V ±(2%+5) 0.1V

Package List:
1 x Earth Tester(Battery Not Included)
2 x Grounding Nails
3 x Crocodilian Line(5m, 10m , 20m)
1 x