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NR1410 series water internal cooling generator insulation resistance tester
Insulation resistance tester for water-cooled generators is dedicated to the insulation measurement test of water-cooled generators. It can also be used in the laboratory or on-site for insulation testing of other materials. The output current of the instrument is greater than 20mA, and the maximum output voltage is 2500V. It contains a high-precision micro-current measurement system and a digital boost system.
◆ Controlled by a 32-bit micro-controller, with a full Chinese operation interface, easy to operate;
◆ Automatic calculation of absorption ratio and polarization index, and automatic storage of insulation resistance values for 15 seconds, 1 minute, and 10 minutes for easy analysis;
◆ Large output current (output greater than 20mA under 2500V);
◆ The high-voltage generating module adopts fully enclosed technology with internal protective resistance, which is safe and reliable;
◆ Strong anti-interference ability, can meet the on-site operation of ultra-high voltage substation;
◆ Automatic discharge after the test, and real-time monitoring of the discharge process.
◆ Measuring range: insulation resistance 1MΩ~20GΩ
Absorption ratio, polarization index 1~19.99
◆ Insulation resistance: 50MΩ (1000V) (between the measuring circuit and the shell)
◆ Error range: ±10%RDG, (when 1MΩ~5GΩ)
±20%RDG, (when 0.1MΩ~1MΩ; 5GΩ~20GΩ)
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