Substation tester: single vs. all in one, which do you prefer?

Electrical Testing Talk
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Hi dear friends.
Which one do you prefer and see useful. All in one substation tester which you can test all of devices like CT, CVT, power transformer and CB with one device. Or multiple single tester. for example one device for CT, CVT, one for power transformer and one for CB testing.
many thanks

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Pick your poison - If your “all-in-one” tester dies, so does all of your testing. It also limits 1 person to utilizing the equipment at a time. Which means if you’re trying to be efficient and have multiple people testing equipment, you are limited. It goes with the saying, don’t put all of your eggs in 1 basket.

Some of these units are nice and convenient. But failure is imminent.

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