TZY-JT920 Grounding Downlead Conductivity Tester
Add time:2022-02-12
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Dial +86-312-3156390 / 3155390The TZY-JT920 grounding conductivity tester is a highly automated portable tester developed by our company, used for measuring the conductivity resistance values between grounding down conductors of various power equipment in substations. The instrument is controlled by a high-performance microcontroller, which can achieve intelligent testing process. It has the advantages of small size, easy portability, simple operation, high accuracy, fast testing speed, good repeatability, and intuitive reading. It is an ideal instrument that meets the requirements of regulations.
1. The whole machine is controlled by a high-speed microcontroller, with a high degree of automation and easy operation.
2. The instrument adopts a new power technology, with multiple current levels and a wide measurement range.
3. Intelligent power management technology ensures that instruments always operate at low power levels, effectively reducing internal heat generation and saving energy.
4. Seven inch high brightness touch color LCD, clear display under strong light, full touch screen operation, free switching between Chinese and English.
5. The instrument comes with a perpetual calendar clock and power down storage, which can store 1000 sets of test data for easy access at any time.
6. The instrument is equipped with RS232 and USB interfaces, which can communicate with computers and store data on USB drives.
7. Equipped with a panel type micro printer, it can print measurement results in Chinese.
| Item | Technical Specifications & Parameters | Remarks |
| Test Current | 1A, 2.5A, 5A, 10A, 20A | |
| Measuring Range | 00μΩ~1Ω (20A) 500μΩ~2Ω (10A) 1mΩ~4Ω (5A) 2mΩ~8Ω (2.5A) 5mΩ~20Ω (1A) | |
| Minimum Resolution | 0.1μΩ | |
| Accuracy | ±(0.5%rdg ±2dgt) | |
| Display | LCD Display | 4 significant digits for resistance reading |
| Data Storage | 1000 groups | |
| Operating Environment | Ambient Temperature: 0℃~40℃ Relative Humidity: <90%RH, non‑condensing | |
| Power Supply | AC 220V±10V, 50Hz±1Hz | Fuse: 5A |
| Maximum Power Consumption | 500W | |
| Overall Dimensions | Main Unit: 405×230×355 (mm) Cable Case: 360×260×180 (mm) | |
| Weight | Main Unit: 15.1KG Cable Case: 5.75KG | |
| Test Cable Length | Standard: 13 m | Customizable length available |


86-312-3156390

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