SXHL-200P high-precision circuit resistance tester

Product Introduction

SXHL-200P high-precision circuit resistance testerIt is designed based on the power implementation standard DL/T845.4-2004 of the People's Republic of China, using a combination of high-frequency switching power supply technology and digital circuit technology. It is suitable for measuring the circuit resistance of switch control equipment. The test current adopts the recommended DC 100A and 200A by the national standard. The circuit resistance can be directly measured under the current of 100A and 200A, and the test results are displayed on a large LCD screen with functions such as data storage, output printing, and time setting. There are also 50A and 150A gears available for users to choose from. The instrument measures accurately and has stable performance, meeting the requirements of on-site high-voltage switch maintenance and high-voltage switch factory circuit resistance testing for power and supply departments.

performance characteristics

1. High current: Adopting new switching power supply technology, it can continuously output high current for a long time, overcoming the drawbacks of instantaneous current in pulse power supplies. It can effectively penetrate the oxide film of switch contacts and obtain good test results.

2. High stability: Under severe interference conditions, the last digit data of the LCD screen can remain stable within ± 1 word range, with stable readings and good repeatability.

3. High precision:SXHL-200P high-precision circuit resistance testerAdopting dual channel high-speed 16 bit ∑ - Δ AD sampling and digital signal processing technology, with a resolution of up to 0.01 μ Ω, it is currently the most stable contact resistance tester in China that can achieve a resolution of 0.01 μ Ω, and its performance exceeds that of imported high current micro ohmmeters.

4. Intelligence: Using imported high-performance CPUs, the system automatically switches the measurement range according to the signal size during measurement, ensuring the accuracy of the product's testing. The over temperature protection circuit can automatically stop outputting current when the instrument exceeds the set temperature, ensuring the safe use of the instrument.

5. High quality: All key components are imported, and the cleverly designed temperature compensation circuit effectively eliminates the influence of environmental temperature on measurement results. The use of connectors enhances the anti vibration performance.

6. Function *: The current can be freely selected from 50A, 100A, 150A, 200A, and the testing time can be set arbitrarily within 5s~599s, overcoming the shortcomings of other similar instruments that cannot set measurement time or have short continuous working time, far exceeding the performance of other similar instruments.

7. User friendly interface: By rotating the mouse to input data, it is convenient and fast. The instrument date and time can be set independently, measurement data can be saved in real time, and measurement results can be printed in real time.

8. Multiple communication methods: Able to communicate with the computer through RS232 serial port (9-pin) or USB data cable, and upload measurement data to the computer for further analysis and processing by testing personnel.

9. Easy to use: small size, light weight, easy to carry.

technical indicators

1. Measurement range: 0-2999.9 μ Ω

2. Resolution: 0~99.99, 0.01 μ Ω; 100.0~2999.9, 0.1 μ Ω

3. Test current: Four fixed outputs of DC50A, 100A, 150A, and 200A

4. Measurement accuracy: ± (0.2% rd+2d)

5. Continuous working time: 5s~599s

6. Display mode: Large screen Chinese LCD display

7. Communication method: RS232 serial port or USB (optional)

8. Working power supply: AC220V ± 10% 50Hz

9. Overall power:>1000W

10. Storage records: 200 records

11. Working environment: Temperature -10 ℃~40 ℃ Humidity ≤ 80% RH

12. Volume: 313 × 270 × 235mm3

13. Weight: 8.9kg (excluding accessories)