▍ brief 　↴

With the development of society, people have increasingly high requirements for the safety and reliability of electricity use. High voltage circuit breakers play a dual role in control and protection in the power system, and their performance directly affects the safe operation of the power system. Mechanical characteristic parameters are one of the important parameters for judging the performance of circuit breakers.
YLKG seriesHigh voltage switch characteristic comprehensive testerAccording to DL/T846.3-2017 General Technical Conditions for High Voltage Testing Equipment Part 3: Comprehensive Tester for High Voltage Switches and DL/T854.4-2004 General Technical Conditions for Resistance Measurement Devices Part 4: Loop Resistance Tester, the design basis provides convenience for dynamic analysis of various circuit breakers, and can accurately measure the mechanical dynamic characteristic parameters and contact resistance of high-voltage circuit breakers of various voltage levels.

▍ Product functions and features 　↴

• Integrated design, including switch mechanical characteristics and switch circuit contact resistance, switch relay winding coil resistance testing
The 12 channel contact status input channel can measure parameters such as the closing/opening time, different periods, and bounce time of the main contact
• Equipped with ARM processor and 7-inch true color LCD touch screen
Three current measurement channels can measure the current of the opening, closing, and energy storage coils, etc
• Can save 4000 comprehensive switch characteristic test data and 2000 circuit resistance test data
The instrument is equipped with a high-speed thermal printer, and the test results can be printed with custom settings for printing parameters and curves
The instrument comes with a built-in DC switch power supply, which meets the precise voltage regulation requirements during testing
The test data can be numbered and stored, and historical curves can be generated for the same device test results, making it convenient to observe the development trend of the device
Internally equipped with a high current constant current source and adopting new power technology, it can continuously output high current for a long time, effectively breaking through the oxide film of switch contacts and achieving good circuit resistance testing results

▍ Product Technical Parameters 　↴

Mechanical characteristic testing
• Time: Measurement range 1-16000ms, resolution 0.01ms
• Travel: Measurement range 0-999 mm, resolution 0.01 mm
• Speed: Measurement range 0-20m/s, resolution 0.01m/s
Coil current: measurement range 0-15 A, resolution 0.01A
Circuit resistance detection
Micro resistance measurement range: 10 μ Ω -19999.9 μ Ω
Resolution: 0.1 μ Ω
• Accuracy: 0.5% • Test current: 100A
Coil resistance detection
• Resistance measurement range: 1-5M Ω • Resolution: 0.1 Ω
• Accuracy: 0.5%

▍ Recommended Function Configuration Table 　↴

YLKG-5029
Overview: Equipped with an ARM based processor, a 7-inch (800 × 480) LCD touch screen, graphic and Chinese operation prompts, displaying all parameter parameters and curves in Chinese.
• Mechanical characteristic testing of high-voltage switches

YLKG-5049
• Mechanical characteristic testing of high-voltage switches
High voltage switch circuit resistance test (DC 100A output)
• High voltage switch relay coil resistance test