I.Product technical parameters

1.1 Use environment

Input power：220V±10%，50Hz±10%     

Atmospheric pressure：86～106kpa

Temperature:：－10～40℃               

Humidity：≦80%RH

1 

1.1 

1.2 Safety performance

Insulation resistance：＞2MΩ

Dielectric strength: the power supply withstands the power frequency of the cabinet at 1.5KV for 1 minute, no flashover and flashover

1.3 Basic parameters

1.3.1 Time

When the range is selected from 250-4000ms, the resolution is 0.1ms and the error is 0.1ms ± 1 word; when the range is 10000-20000ms, the resolution is 1ms and the error is 1ms ± 1 word.

1.3.2 Speed

Range is 20.00m / s, resolution is 0.001m / s, error: ± 0.01m / s ± 1 word

1.3.3 Current

The range is 20A, the resolution is 0.01A, and the error is 1% ± 0.1A.

1.3.4 Closing resistance

The range is 50-2000Ω, the resolution is 0.1Ω, and the error is% 1 ± 1Ω.

1.3.5 Output Power

1.3.6 DC5 ～ 270V digital  20A(instantaneous operation).

1.3.7 Stroke

II.Performance

2.1 Time

The machine can measure the natural parting and closing time of 12 metal fractures, the same period time, the same period time, the same period time, the gold short time, the no flow time, the closing spring time of the process of closing - parting, dividing - parting and dividing - dividing; Some models can measure the pre-casting time of closing resistance.

2.2 Speed and stroke

This tester can record and measure the closing bounce time, the number of bounces, the bounce process, and the bounce waveform of each fracture.

2.3 Speed and stroke

This tester can record and calculate the rigid points, rigidity, maximum speed, average speed, total travel, opening distance, over travel, rebound amplitude, time-travel characteristic curve.

2.4 Current and voltage

This tester can record the opening / closing current value and current waveform of the opening / closing coil, and provides DC5 ～ 270V 20A digital  circuit breaker operation power supply, automatically completes the low voltage operation test of the circuit breaker, and measures the open circuit. The operating voltage of the device.

2.5 Closing resistance

Some models of this machine can measure 6-way closing resistance value and its pre-throw time at the same time.

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 HZ7411 Circuit Breaker Dynamic Characteristic Tester