+86 027-88012219
wgreatelectric@gmail.com
Product Feature
• Only connect once to perform a DC winding resistance test, turns ratio tests, and insulation test
• DC winding test function. Yn, Y, and △ type windings can all utilize a three-phase automatic testing method, and calculate the three-phase imbalance rate.
• Maximum output current is 20A
• Turns ratio test function is used for testing three-phase, single-phase, and Z-type transformer tests;
• PT/CT ratio and polarity testing functions
• Insulation resistance testing function, with a maximum output short-circuit current of 5mA and adjustable from 1mA to 5mA. It also has insulation resistance IR, absorption ratio DAR, and polarization index PI testing capabilities
• Wired and wireless communication interfaces
• Linux operating system, featuring high security and ease of use. A7 + M4 dual-core architecture
• 7-inch Display
• Touch control with a one-click operation
• Large-capacity lithium battery and comes with a built-in charger.
Technical Specifications
DC Winding Resistance Test | ||||||
Output current | 20A,10A,5A,1A,0.1A ≤10mA | |||||
Measurement range | Range 20A 0.5mΩ～100m Ω Range 10A 1.0mΩ～300m Range 5A 10mΩ～1.0Ω Range 1A 200mΩ～6.0Ω Range 0.1A 2.0Ω～60Ω Range ≤10mA 30Ω～25kΩ | |||||
Accuracy | ±(reading×0.2%+2) | |||||
Turns Ratio Test | ||||||
Measurement range | 0.9～5000 | |||||
Accuracy | ±(reading×0.1% + 2)(≤500) ±(reading×0.2% + 2)(＞500，≤3000) ±(reading×0.3% + 2)(＞3000) | |||||
Resolution | 0.9～9.9999(0.0001) 10～99.999(0.001) 100～999.99(0.01) ≥1000(0.1) | |||||
Insulation Resistance Test | ||||||
Output voltage | 500V,1000V,2500,5000V are optional. | |||||
Short-circuit current | 1mA～5mA optional | Current test at full scale | 10mA | |||
Current test accuracy | ±(reading×5%+0.2nA) | Capacity test at full scale | 20μF | |||
Capacity test accuracy | ±(reading×15%+0.03nF) | Capacity discharge rate | From 10000V to 10V, 0.5s/μF | |||
Temperature Condition and Physical | ||||||
Power supply | Built-in lithium battery with capacity of 11AH. | |||||
Charging voltage | AC220V/110V | |||||
Operating temperature | -10℃～50℃ | |||||
Relative humidity | ≤90%, non-condensing. | |||||
Weight&Dimension | 12kg,440×350×210mm | |||||
Accessories
| No. | Description | Qty. |
| 1 | Test Instrument | 1 |
| 2 | Test Leads (2 Yellow, 2 Green, 2 Red, 2 Black) | 8 |
| 3 | Insulation Resistance (IR) Test Leads (1 Red, 1 Green, 1 Black) | 3 |
| 4 | Three-Core Power Cord | 1 |
| 5 | Grounding Cable | 1 |
| 6 | Fuse (2 A) | 3 |
| 7 | Printer Paper | 2 |
| 8 | User Manual | 1 |
| 9 | Factory Test Report | 1 |
| 10 | Certificate of Conformity & Warranty Card | 1 |
| 11 | Packing List | 1 |