1、 Product Overview：

The KJTC-308A High Voltage Switch Characteristics Comprehensive Tester and Circuit Breaker Dynamic Characteristics Tester, also known as the High Voltage Switch Mechanical Characteristics Tester, is designed based on the latest "High Voltage AC Circuit Breaker" GB1984-2003 as the blueprint and refers to the Chinese power industry standard "General Technical Conditions for High Voltage Testing Equipment" Part 3 DL/T846.3-2017 as the design basis. It provides convenient and accurate measurement of the mechanical dynamic characteristics parameters of various voltage levels of low oil, high oil, vacuum, sulfur hexafluoride and other high voltage circuit breakers for dynamic analysis of various types of circuit breakers.

Product nickname: High voltage switch mechanical characteristic tester, switch mechanical characteristic tester, high voltage switch comprehensive tester, circuit breaker dynamic characteristic tester, circuit breaker mechanical characteristic tester, circuit breaker comprehensive tester, high voltage switch time characteristic tester, high voltage switch characteristic tester, switch characteristic tester, circuit breaker tester, switch parameter tester, switch tester.

2、 Product Features：

1. This instrument is an embedded industrial control computer motherboard based on Cortex-TM-A8 with a main frequency of 1GHz and 1GB flash memory. It has a fast startup speed of only 16 seconds. 9-inch color large screen Windows operating system user-friendly interface, intuitive touch screen supporting Chinese and English input for easy use by on-site operators.

2. High speed thermal printers facilitate on-site printing of test data.

3. The integrated operation power supply inside the machine does not require on-site secondary power supply, making it convenient and fast to use. It can provide adjustable power supply current of 20A from DC6 to 270V. The operating voltage values of the opening and closing coils can be set arbitrarily, and it can also be used for low-voltage operation tests of circuit breakers.

4. Equipped with linear sensors, rotation sensors, universal sensors, laser sensors (optional), as well as brackets and specialized fixed multifunctional joints, installation is extremely convenient and simple.

5. Suitable for all models of SF6 switches, GIS combination devices, vacuum switches, and oil switches produced domestically and internationally.

6. The switch action can obtain all data and graphic test data at once, and the speed of graphic display on the same screen can be recalculated without further testing.

7. The host can store 30000 sets of current test data (expandable memory card), and the real-time clock inside the machine is easy to archive.

8. Equipped with 2 USB interfaces that can be connected to a mouse to operate the instrument, data can be directly saved to a USB drive and uploaded to a computer for analysis and saving. RS232 interface online operation (optional), WIFI operation optional.

9. At the same time, it can measure 12 metal contact fracture surfaces, 6 main fracture surfaces, 6 auxiliary fracture surfaces, and 1 speed (3 speed options available).

10. The internal envelope line can be analyzed and compared by generating a standard envelope line through a switch test, and can also be used for switch vibration frequency analysis.

11. The internal anti-interference circuit can meet the reliable use in a 500KV substation.

1. Time measurement:

12 inherent opening (closing) times

Opening (closing) at different stages within the phase

The difference between the opening (closing) phases and different periods

Closing (opening) bounce time (number of bounces)

Test range for different periods: 0.10ms-99ms Resolution: 0.01ms;

Internal trigger test range: 0.10ms-999ms Resolution: 0.01ms;

1000ms~9999ms resolution: 0.1ms;

10000ms to 200000ms resolution: 1ms.

External trigger test range: 0.01ms~200s

Accuracy within 1000ms: 0.05% ± 1 word

2. Speed measurement: just opened (just closed) speed

Average speed during a specified time period (travel segment or angle segment)

3. Speed measurement range: 1mm sensor 0.01-25.00m/s;

0.1mm sensor 0.001-2.50m/s;

345 ° angle sensor 0.01-25.00m/s.

Laser sensor 0.01-15.00m/s.

4. Travel measurement: Moving contact travel (travel) (3-channel travel measurement optional)

Contact distance (opening distance)

Overtravel

Overstroke or rebound travel

5. Measurement range: Linear sensor: 50mm Measurement range: 0-50mm Resolution: 0.1mm.

Rotation sensor: 345 ° Measurement range: 0-1000mm Resolution: 0.08 °. When installing this sensor with a 15 degree invalid area, it is best to display the effective area value of the sensor at around 160-200 degrees visible on the instrument.

Acceleration sensor measurement range: 0-300mm resolution: 0.1mm.

6. Coil current: Maximum current 20A Resolution: 0.01A.

7. Coil resistance measurement range: 0-2000 Ω Resolution: 0.01 Ω.

8. Instrument power supply: AC220V ± 10%; 50Hz ± 10%.

9. DC power output: DC6-270V continuously adjustable DC24V ≤ 15A (short-term) DC220V ≤ 20A (short-term).

10. External trigger voltage: AC/DC10-300V, current ≤ 120A

11. Measurement range of isolation switch:

1) Voltage output: DC6-270V (adjustable);

2) Power output time: 0.01-20 seconds (adjustable);

3) The maximum acquisition time for fracture signal is 200 seconds;

4) It can measure the closing and opening time of the circuit breaker, different phases of the three-phase system, bounce time and frequency.

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The enterprise's products are strictly produced in accordance with international and national standards and industry regulations, and have passed the testing of national, provincial, and municipal power research institutes, measurement centers, and authoritative power departments. They have fully passed the ISO9001 international quality management system certification, the People's Republic of China Manufacturing Measuring Instrument License, GB/T19001-2008 quality management system requirements.

We will strictly follow the "Quality and After sales Service Commitment Letter" to implement relevant product services. We firmly believe that high-quality, systematic, comprehensive, and fast services are the foundation of enterprise development. After years of continuous exploration and progress, we have formed the service philosophy of 'customer centricity, quality as the first life of the enterprise'. And with the goal of creating a first-class service enterprise in China through strict quality management and advanced technology, we have formulated a quality policy of 'standardized management system, strict process control to ensure product quality and customer satisfaction'. For many years, we have adhered to the principle of 'customer first' and built a good sales and after-sales service system to provide customers with better pre-sales, in sales, and after-sales services!

Our after-sales service commitment is: 'Refund within 3 months, replacement within 1 year, free repair for 3 years, and lifelong maintenance'. In the days to come, we will continue to adhere to the three-star service as always!

Note: The detailed product information is subject to the actual product. Please confirm the specific model parameters with the sales personnel before purchasing. Please refer to the instruction manual.

The final interpretation of this service commitment belongs to Wuhan Hezhong Electrical Equipment Manufacturing Co., Ltd.

If you have any questions.