Reliable and effective connection between grounding lead and ground network of power equipment is the fundamental guarantee for safe operation of equipment. Grounding lead is the connection between power equipment and ground network. During the long-term operation of power equipment, the connection may be affected by dampness and other factors, resulting in node corrosion, or even breakage, which leads to the increase of resistance of the connection point between grounding lead and main ground network, thus failing to meet the requirements of power regulations, making the equipment unsafe in operation, and in serious cases. It will cause the equipment to lose ground.

This tester is a highly automated portable tester developed by our company. It is specially used to measure DC resistance of portable short-circuit grounding wire and personal protection grounding wire.

project

Technical Indicators and Parameters

Remarks

Test current

10A 5A

measuring range

5A 1_~4

10A 1_~2

Measurement Accuracy

(0.2% full range + 2 words)

Display mode

128 x 64 lattice display

Resistance display is 41/2 bits

Maximum resolution

0.1 ohm

Power Supply

AC 220V + 22V, 50Hz + 2Hz

Insurance management 5A

Maximum power consumption

200W

When the test current is 10A

work environment

Ambient temperature: 0 ~40.

Relative humidity: <80%

volume

400 200 280 (mm)

weight

8kg

The instrument is controlled by a high-performance single-chip computer, which can realize the intellectualization of the testing process. It has the advantages of simple operation, high accuracy, fast testing speed, good repeatability and intuitive reading. It is an ideal special instrument which meets the requirements of the regulations, greatly facilitates the development of the testing project and improves the working efficiency.