AJ5000 Intelligent Insulation Resistance Tester
AJ5000 intelligent insulation resistance tester adopts advanced single-chip control process, man-machine interface dialogue, easy to carry, simple operation; built-in high-performance large-capacity rechargeable battery, AC and DC dual purpose, and equipped with undervoltage protection and battery overcharge protection. This instrument can automatically display the current time, save historical test data and time, which provides greater convenience for the test personnel.
Because the charging current directly affects the insulation value test of the large-capacity capacitive test product, a large charging current is required. The stronger the charging ability, the closer the test value to the true value. The short-circuit current of AJ5000 is greater than 5mA, which overcomes the short-circuit current of ordinary megohmmeters, such as small short-circuit current, inaccurate testing, and easy interference.
When testing the insulation resistance of large-capacity power equipment, the insulation resistance value is related to the time of pressurization. The longer the pressurization time, the higher the insulation resistance value. This phenomenon is called insulation absorption. To understand the insulation performance of the tested product, the absorption ratio and polarization index test must be performed first to provide safety guarantee for the next leakage, dielectric loss, partial discharge, etc., insulation performance test. AJ5000 Intelligent Insulation Resistance Tester, through the insulation, absorption ratio, polarization index test of power equipment, provides accurate early judgment for a series of insulation tests.
AJ5000 intelligent insulation resistance tester is a new type of intelligent instrument, which is the first choice of testers.
1. The short-circuit current is greater than 5mA, which overcomes the short-circuit current of ordinary megohmmeters, such as small short-circuit current, inaccurate testing, and easy interference;
2. Take timely voltage and current sampling for division operation. Even if the voltage changes greatly during the test, the resistance value calculated by Ohm's theorem is accurate;
3. Use advanced single-chip microcomputer to control the process, man-machine interface dialogue, easy to carry, simple operation;
4, comes with a large-capacity battery, no external power supply is required during testing;
5, the instrument is less than 3kg, easy to carry;
Product nickname: Insulation resistance tester Digital insulation resistance tester
AJ5000 intelligent insulation resistance tester, with 4 ranges: 500V, 1000V, 2500V, 5000V, the maximum test can reach 5TΩ
●Design in strict accordance with safety standards
●Insulation resistance range 5TΩ@5kV
●The short-circuit current can be adjusted, up to 5mA （up to 10mA short-circuit current products can be customized）.
●Automatically display the test values ??of polarization index （PI） and dielectric absorption ratio （DAR）, which can test leakage current and capacitance.
●Excellent anti-interference performance, when the interference current reaches 2mA, the instrument still guarantees the test accuracy.
●The capacitive test sample discharges quickly. When the cable is tested, manual discharge is not required, and the instrument automatically discharges quickly.
● 2 power supply methods: use lithium ion battery power supply, battery life up to 4 hours （10000V@100M test resistance）.
At the same time, it can be charged in use. When the power fails, it can automatically switch from AC power supply to battery power supply.
●Full Chinese display, Chinese prompt operation, simple and clear, and can display the insulation resistance simulation column.
●Digital filter function, use the filter function to reduce the influence whenever the display value deviation caused by external influence.
●Perfect protection function, and equipped with fuse blowing prompt function.
IEC 61010-1 CAT.IV 600V Pollution degree 2
IEC 61326 EMC specification: electrical equipment for testing, control and inspection
IEC60529 IP64 （outer box closed state）
●AC power supply: 220V±10%, 50/60 HZ, 20 VA
●Battery power supply: 16.8V lithium ion rechargeable battery
●Battery life: 5000V@100M, about 4 hours
●Dimensions （length x width x height）: 26cm x 20cm x 16cm
●Test voltage accuracy: 100% to 110% of the nominal value
● Voltage measurement accuracy: 5%+3V
●Current test range: 5mA
●Current measurement accuracy: 5%+0.2nA
●Short-circuit current: 2 to 5mA, adjustable output （10mA short-circuit current can be customized）
●Capacitance test range: 20uF
●Capacitance test accuracy: 15%+0.03uF
●Discharge rate of capacitor sample: from 10000V to 10V, 0.5S/?F
●Insulation resistance test range and accuracy （temperature: 23±5?C, relative temperature: 45-75%RH）
Accuracy 500V 1000V 2500V 5000V
Unspecified <100k <100k <100k <100k
5% 100k-10G 100k-20G 100k-100G 100k-100G
20% 10G -100G 20G-200G 100G-1T 100G-1T
Unspecified> 100G> 200G> 1T> 1T
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