Loop Resistance Tester

الوصف

Loop Resistance Tester ALRT***0 can be used for high accuracy test of high voltage switch contact resistance(loop resistance).Testing current is not less than **0A. It is also suitable for high current,micro resistance measurement.This products is widely used in electrical manufacturing department,power operation department,research institute and universities.

Features

• **0 × **0 LCD display, high speed thermal printer;
• Small size, light weight, anti-interference performance, high precision, easy operation and perfect protection function;
• The latest power supply technology,continuous high current output for a long time, flexible choice of current range with *0A, **0A, **0A, **0A;
• Use precise operational amplifer and high precision A / D converter, combined with high performance **-bit single-chip.Auto-switch amplification factor according to signal,ensure accuracy;
• With real-time calendar clock, convenient for data printing and saving;
• Data storage and history data browsing fuctions, which can store **0 sets of data.It also have the function of power off protection;
• Wide measure range, the maximum up to **4mΩ;
• Full keyboard operation,intelligent working process.

Technical Parameters

• Power Supply: AC **0V ± *0% *0Hz ± 2%;
• Ambient temperature: **5 ° C ~ *0 ° C;
• Relative humidity: ≤ *0% RH;
• Output Current: *0A, **0A, **0A, **0A for selection;
• Measuring range: 0 ~ 4mΩ (*0A file)

0 ~ 2mΩ (**0A file)

0 ~ 1.*3mΩ (**0A file)

0 ~ 1mΩ (**0A file)

• Accuracy: 0.5%;
• Resolution: 0.*1μΩ;