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Portable switch characteristic tester

Applicable to SF6 switches, GIS switchgear, vacuum switches, oil switches, and vacuum contactors (electrically held single coil; for double coil contactors, please select the vacuum switch type). It can simultaneously measure 12 channels of metal contact breaks, 6 channels of main breaks, and 6 channels of auxiliary breaks.
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(1)The integrated internal operating power supply eliminates the need for a secondary power supply on-site, making it convenient and quick to use. It provides an adjustable DC 20-270V power supply with a maximum instantaneous current of 30A. Its unique dual-circuit power supply design allows for testing of closing and opening circuits even if one circuit fails.

(2)Equipped with linear and rotary sensors and dedicated fixed multi-functional connectors, installation is extremely convenient and simple. The linear sensor length can be set arbitrarily from 30-1000mm; only the sensor needs to be installed, and the instrument does not require factory reprogramming.

(3)The main unit can store 100 sets of current test data, and features an internal real-time clock for easy archiving.

(4)Equipped with a USB flash drive interface and an RS232 interface, data can be saved to a USB flash drive and uploaded to a computer for analysis, storage, and printing. The RS232 interface allows for online computer connection (optional).

(5)Internal anti-interference circuitry ensures reliable operation within 500kV substations.

Technical parameters

1.Time Measurement:

12-channel inherent opening (closing) time

Asynchrony within opening (closing) phases

Difference in asynchrony between opening (closing) phases (1-99ms)

Closing (opening) bounce time (number of bounces)

Internal trigger test range: 1ms-10000ms, resolution: 0.01ms

External trigger test range: 1ms-10000ms

Resolution within 999ms: 0.01ms, 1000-9999ms: 0.1ms, above 10000ms: 1ms.

Accuracy within 200ms: 0.05%±0.1ms

2.Speed ​​Measurement:

Speed at initial separation (or engagement)

Average speed over a specified time period (stroke or angle segment)

3.Measurement Range:

Linear sensor: 0.01~20.00m/s, accuracy ±0.1m/s

345° angle sensor: 0.01~20.00m/s, accuracy ±0.1m/s

4.Stroke Measurement:

Stroke ea ho tsamaea (stroke)

Contact stroke (opening distance)

Overtravel

Overshoot or rebound stroke

5.Measurement Range:

Linear sensor: 50mm, measurement range: 0-50mm, resolution 0.1mm.Optional linear sensor of any length from 100-1000mm.

Rotary sensor: 345° rotary sensor, measurement range: 0-1000mm, resolution 0.08°. Accuracy ± (1%L + 0.2) mm

6.Current and Resistance Range:

Maximum current 20A, resolution: 0.01A; resistance 1000Ω, resolution: 0.01Ω. Accuracy ± 5%.

7.Instrument Power Supply:

AC 220V ± 10%; 50Hz ± 10%

8.DC Power Output

DC20~270V continuously adjustable, instantaneous maximum current 30A, power 3300W.

9.External trigger voltage:

AC/DC 10-300V, current ≤120A

10.Measurement range of disconnecting switch or energy storage circuit breaker:

⑴ Voltage output: DC 20~270V (adjustable);

⑵ Power output time: 0.01-10 seconds (adjustable);

⑶ Maximum acquisition time of disconnection signal: 10 seconds;

⑷ Measurable disconnection closing and opening time, three-phase asynchrony, bounce time and number of times

11.Main unit dimensions:

360×260×170mm

12.Operating environment:

-20℃~+50℃

13.Relative humidity:

≤90%

 

 

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