News Details

The HDHL series intelligent high-precision loop resistance tester is meticulously crafted using advanced high-power switching power supply technology and sophisticated electronic circuits. It is a dedicated testing instrument for contact resistance of high and low voltage switches, cables, wires, and welds. Its current adopts the standard DC recommended by the national standard GB736, allowing the resistance value of the tested object to be measured under standard current conditions. This instrument features small size, light weight, strong anti-interference capability, high precision, easy operation, and comprehensive protection functions.

    1、320×240 LCD display, high-speed thermal printer.

    2、This instrument has the characteristics of small size, light weight, strong anti-interference capability, high precision, easy operation, and comprehensive protection functions.

    3、Utilizes the latest power supply technology, capable of continuous high current output for extended periods, with multiple current gear outputs.

    4、Equipped with precision instrumentation operational amplifiers and a high-precision quadruple integration A/D converter, combined with a high-performance 16-bit microcontroller, ensuring the accuracy of the product.

    5、This product also features a real-time calendar clock, providing a time basis for printing and saving data.

    6、Data storage and historical data browsing functions, capable of storing 1000 sets of data, with power-off protection.

    7、Human-machine dialogue with full keyboard operation, intelligent throughout the entire working process.

    8、Expandable RS232 interface for communication with a host computer.