Product Overview：

JH3301 digital insulation resistance tester, also known as megohm meter, high voltage insulation resistance meter with most competitive price, mainly used for insulation resistance testing.It also has shockproof, dustproof and moisture-proof structure, which is suitable for harsh working environment. It is a common and essential meter for telecom, electric power, meteorology, machine room, oil field, electromechanical installation and maintenance as well as industrial enterprise departments that use electric power as industrial power or energy.It is suitable for measuring the insulation resistance of various insulating materials and transformers, motors, cables and electrical equipment. ​ ​ ​ ​

Product Features: ​ 

​1. LCD large screen display ​

2. Built-in large-capacity lithium battery, convenient for on-site operation

3. The menu is simple and friendly, and the displayed data is clear and readable ​

4. Large output power, strong load capacity and anti-interference ability 

5. Output short-circuit current is greater than 1mA ​

6. According to the customized procedure, the insulation test, absorption ratio, polarization index and continuous test can be completed automatically ​ ​ ​ ​ ​ 

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Technical parameters: ​ ​

 ​1. Working power supply: built-in 12.6V/2.2AH lithium battery 

​2. Output current: 500V, 1000V, 2500V, 5000V ​

3. Range:1M Ω~0.5T Ω ​

4. Accuracy: below 100GΩ: ±(5% RD+0.1% FS)  above 100GΩ:±(10% RD+0,1% FS) 

​5. Minimum resolution: 100KΩ ​6. Display: large screen LCD