Circuit Breaker Mechanical Characteristics Tester HDGK-8A High Voltage Switch Tester
Darui Electric recommends for you
>Can perform electric operation and manual operation
>Suitable for mechanical dynamic characteristic testing of various high-voltage circuit breakers within 500KV voltage level
>Can measure actual stroke and custom stroke
>Can achieve single close, single open, close-open, close-open-close operations of circuit breakers
>Convenient wiring, simple operation, only one close (open) action is needed to obtain all close (open) data, can choose to save 50 sets of data, provide later query and upload to computer for storage, also can view and print all data and motion curves on site
>Built-in clock circuit, can display current year, month, day, hour, minute, second, even after power failure, can automatically save setting data and test data
>Built-in delay protection function, after circuit breaker action, can automatically cut off the action power supply, well protecting the circuit breaker equipment and high voltage switch tester
>Built-in DC power supply, selectable range: 30-270V/10A, no voltage drop at the moment of output of conventional rectifier power supply, very accurate for testing switch action voltage
>Can dynamically analyze the relationship between stroke, speed of circuit breaker every 1ms
> Circuit Breaker Mechanical Characteristics Tester HDGK-8A High Voltage Switch Tester can be configured with upload software to achieve computer archiving and online viewing, printing.
Can test any type and model of circuit breaker
Technical Parameters:
Environmental group: belongs to Group III instruments in GB6587.1-1986 "General Outline of Environmental Tests for Electronic Measuring Instruments".
1. Time measurement: 12 channels
Inherent opening (closing) time
Opening (closing) phase-to-phase non-simultaneity
Opening (closing) inter-phase non-simultaneity, closing (opening) bounce time (bounce count)
Test range: 0.1ms ~ 999.99ms
Accuracy: 0.5%±(1% reading + 2 digits)
2. Speed measurement: just opening (just closing) speed
Average speed over specified time period (stroke segment or angle segment)
Maximum opening (closing) speed
Speed measurement range: 1mm sensor 0.01 ~ 25.00m/s,
0.1mm sensor 0.001 ~ 2.50m/s,
0.5° angle sensor 1 cycle / 0.5°
Accuracy: 1mm sensor ±(1% reading + 1 digit)
0.1mm sensor ±(2% reading + 1 digit)
0.5° angle sensor ±(1% reading + 1 digit)
3. Stroke measurement: moving contact stroke (stroke)
Contact stroke (opening distance)
Overshoot stroke
Rebound stroke (amplitude)
Sensor: 50mm, resolution: 0.1mm
Sensor: 300mm (optional), resolution: 1mm
Angular velocity B1 sensor: 360°, resolution: 0.5°, accuracy: ±1%
4. Display: 320×240 LCD screen, contrast adjustable
5. Data storage: can store 100 sets of measurement data
6. Printer: high-speed thermal printer
7. AC power: AC 220V ± 10%; 50Hz ± 2%
8. DC power: output voltage: 30 ~ 260V continuously adjustable, output current: ≤15A (short time)
9. Host volume: 380×280×140mm
10. Operating environment: -10℃~+50℃
11. Relative humidity: ≤90%

Note: The above information and technical parameters are compiled and released by Yangzhou Darui Electric Co., Ltd.