Intelligent loop tester loop (contact) resistance measurement is an important part of electrical testing. According to the requirements of the "Regulations for Handover and Preventive Tests of Power Equipment", the measurement of the conductive circuit resistance of various switchgear requires a test current of no less than 100A. The intelligent loop tester is suitable for high-precision measurement of contact resistance (loop resistance) of high-voltage switches, and is also applicable to other occasions requiring high current and micro-resistance measurement. Executive standard: DL/T845.4-2004. This product is widely used in electrical manufacturing departments, power operation departments, scientific research institutions, and universities.
- Chinese Name
- High-precision Loop Resistance Tester
- Ambient Temperature
- -25°C ~50°C
- Relative Humidity
- ≤90%RH
- Accuracy
- 0.5%
Table of Contents
- 1 Features
- 2 Product Aliases
- 3 Technical Parameters
Features
l Adopts the latest power supply technology, capable of continuous high current output for a long time, with flexible selection of four current gears: 50A, 100A, 150A, and 200A.
l This instrument features small size, light weight, strong anti-interference capability, high accuracy, easy operation, and comprehensive protection functions.
l It uses a precision instrumentation operational amplifier and a high-accuracy four-fold integral A/D converter, combined with a high-performance 16-bit microcontroller. During measurement, the system automatically switches the amplification factor based on the signal level, ensuring the test accuracy of the product.
l Human-machine dialogue with full keyboard operation, intelligent throughout the entire working process.
l 320×240 LCD display, high-speed thermal printer.
l This product also features a real-time calendar clock, providing time reference for printing and data storage.
l Data storage and historical data browsing function, capable of storing 200 sets of data, with power-off protection.
l Ultra-wide range, with a maximum measurement range of 0-4mΩ.
Product Aliases
Contact resistance tester, switch loop resistance tester, contact loop resistance tester, contact (loop) resistance tester
Technical Parameters
Output current: 50A, 100A, 150A, 200A four gears optional
Working power supply: AC 220V±10% 50Hz±2%
Resolution: 0.01μΩ
Measurement range: 0~4mΩ (50A gear)
0~2mΩ (100A gear)
0~1.33mΩ (150A gear)
0~1mΩ (200A gear)
Note: 500A loop resistance tester can be customized according to needs.
