The NRJC-H insulating oil dielectric strength tester verification device is developed and produced according to the requirements of the calibration regulations of the insulating oil dielectric strength tester: Part 7: “General Technical Conditions for High Voltage Testing Equipment of the latest regulation DL_T 846.7-2016. This verification device adopts our company's patented technology of voltage divider, only consumes 0.45mA AC current when the voltage accuracy reaches 0.2%, and does not produce a load effect on the insulating oil dielectric strength tester.
Overview
Product Introduction
The NRJC-H insulating oil dielectric strength tester verification device is developed and produced according to the requirements of the calibration regulations of the insulating oil dielectric strength tester: Part 7: “General Technical Conditions for High Voltage Testing Equipment of the latest regulation DL_T 846.7-2016. This verification device adopts our company's patented technology of voltage divider only consumes 0.45mA AC current when the voltage accuracy reaches 0.2% and does not produce a load effect on the insulating oil dielectric strength tester.
The device consists of two voltage dividers the accuracy of the two voltage dividers is the same the A voltage divider (left) and the B voltage divider (right) can be used separately or in combination. When A+B is used in combination The displayed voltage is the sum of the output voltages of the two high-voltage transformers of the insulating oil dielectric strength tester. When used separately measure the unilateral voltage separately. Generally when doing metering calibration the method of separate calibration is used and one voltage divider is calibrated at a time. After calibrating the two sets the data of A+B is the sum.
The device consists of two voltage dividers the accuracy of the two voltage dividers is the same the A voltage divider (left) and the B voltage divider (right) can be used separately or in combination. When A+B is used in combination The displayed voltage is the sum of the output voltages of the two high-voltage transformers of the insulating oil dielectric strength tester. When used separately measure the unilateral voltage separately. Generally when doing metering calibration the method of separate calibration is used and one voltage divider is calibrated at a time. After calibrating the two sets the data of A+B is the sum.
Models
Technical Parameters
| 1. Measurement error for 10kV ~ 100kV | < 0.2%RDG+0.04kV |
| 2. Measurement error for boosting rate | < 0.5% |
| 3. Resolution for time reading | 39us |
| 4. Power supply | AC220V±10% 50Hz |
| 5. The highest measurement voltage | 100kv (-50kV～50kV do not connect to breakdown control box) |
| 6. The highest breakdown voltage | 80kV |
| 7. The capacitance of the voltage divider is 10pF and the highest measurement voltage is 50kV (50Hz/60Hz) | |
| 8. The maximum allowable input voltage of the breakdown control box: 80kV | |
|
9. Computers supporting application software systems must meet the following requirements: (1) CPU frequency>1.5GHz (2) System memory>1GB (3) The computer's operating system is Windows XP/ Windows 7 (4) Computer's hard disk>40G (5) With USB2.0 interface |
|
