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Power & Energy

2 Posts authored by: Kai Scharrmann
A very popular HIOKI instrument is the BT3554 battery tester. It's a portable instrument designed primarily for maintenance purposes with voltage ranges up to 60V. Of course the BT3554 won't blow up when you accidentially apply 61V to it instead of the maximum 60V. In fact there are not many service cases for the BT3554 at all. However, about 9 out of 10 BT3554 that arrive in HIOKI's service department in Frankfurt, Germany are identified to have suffered some sort of over-voltage. The majori ...
If you want to measure the current consumption of a device that runs on a half-rectified alternating current lile a hair-dryer on the "half-power setting" then an AC/DC clamp meter will give you a much more precise reading than an AC-only clamp meter. Here is a comparison video between an AC/DC clamp meter and two AC-only clamp meters:     The reference instrument used in this video is a HIOKI PW3390 power analyzer and the connected current sensor is a HIOKI CT6841 suitable for curr ...