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Vacuum testing devices
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Product Description for testing welds with test channel Art.-Nr.100056
... firstly, evacuate the cavity of the sample storage kettle, the pores of the core and the saturated liquid with a vacuum pump to realize a vacuum status, and then allow the evacuated saturated liquid to ...
... deterioration of the vacuum degree. When the vacuum degree deteriorates to 10-2----10-1 Pa, although the breakdown voltage does not decrease, the arc extinguishing chamber has already failed. EP-4000 ...
HDZK Vacuum Switches Tester with an electromagnetic discharge measuring method is applied to measure the vacuum degree of vacuum switches. It is widely used in power, ...
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