Gas densitometer calibration device DYJY-N

1、 Product Overview

DYJY-N SF6 gas leak detector calibration device is an intelligent SF6 gas leak detector calibration instrument. The instrument adopts high-precision pressure sensor and high-speed A/D converter. Combined with 32-bit high-performance microprocessor, it can verify the performance of various SF6 gas leak detectors, accurately measure the pressure value at the current temperature when the signal acts, automatically complete the conversion of any ambient temperature to the standard pressure at 20 ℃, and can print and store test data for reference in real time, and automatically identify the fault during the test. This product is easy to carry, easy to operate, high test accuracy, strong stability, and good reliability, reflecting the characteristics of the instrument as "intelligent".

SF6 switch is a high voltage apparatus widely used in power system. The reliable operation of SF6 switch has become one of the most concerned problems of power supply and consumption departments. SF6 gas leak detector is an important component used to monitor the change of SF6 gas density in the SF6 switch body during operation. Its performance directly affects the operation safety of SF6 switch. The SF6 gas leak detector operated on site does not operate frequently. After a period of time, it often appears inflexible action, poor contact and other phenomena. Some of the gas leak detectors also have poor temperature compensation performance. When the ambient temperature changes suddenly, SF6 gas leak detector often misoperates. Therefore, DL/T596-1996 Preventive Test Code for Electric Power Equipment stipulates that each SF6 switch user shall regularly calibrate the SF6 gas leak detector. From the actual operation, it is also necessary to regularly calibrate the SF6 gas leak detector and pressure gauge in field operation.

2、 Technical indicators

1. Working voltage: AC220V, 50Hz

2. Instrument power: 50W

3. Instrument precision: Grade 0.25

4. Pressure display resolution: 0.001 MPa

5. Measuring pressure range: 0 ～ 1.0MPa

6. Ambient temperature display resolution: 0.1C

7. Measuring temperature range: - 30 ℃~+60 ℃

8. Working humidity: 90% RH

9. Verification object: single alarm, single locking, single alarm and single locking, single alarm and double locking

10. Display mode: 320 × 240 graphic dot matrix monochrome LCD

11. Operation mode: Rotate the mouse (one button shuttle) for input

12. Printer type: high-speed micro printer

13. Printing method: Chinese report type printing

14. Storage capacity: 100 groups of storage records and above

15. Boundary dimension: main unit 365 × three hundred × 220(mm3)  

Accessory case 400 × three hundred and seventy × 200(mm3)

16. SF6 gas density display mode: pressure under the tested environment, equivalent pressure at 20 ℃.

17. Instrument weight: 8kg