Precautions for the use of digital display voltage measuring pen
1. The button does not need to be pressed hard.
2. Do not touch the two measurement keys at the same time during the test, otherwise the sensitivity and test results will be affected.

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May 13, 2022
Precautions for the use of digital display voltage measuring pen
1. The button does not need to be pressed hard.
2. Do not touch the two measurement keys at the same time during the test, otherwise the sensitivity and test results will be affected.

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