TR7400 Type

The adjustable range of the grounding system alarm is 0-500Ω, which can be set to the ground monitoring resistance value according to the requirements of the working grounding resistance value, and measure the loop resistance value in real time, and when the set resistance value is exceeded, the sound and light alarm will be carried out immediately. The simple design of this instrument makes it easy to monitor and effectively improves the reliability of the grounding system.

Features:
• Automatic audible and visual alarm;
• Power-off memory function;<2S;
• Real-time display of resistance value;
• Adjustable resistance value alarm range (0~500Ω);
• Improve the efficiency of daily inspections.