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I.safety rules
Note: please read the items of this chapter before testing the high voltage.
1.Common safe rules
①
Before using it, please know about the safety signs of the withstanding voltage tester.
②
Before switching on the power, please check to be sure whether the input voltage is
right in comparison with the sign.
1---The warning sign of the high voltage. In order to avoiding the damage to the tester and
injury to the user, please read the warnings and rules in the manual.
2---The danger sign. There may be the high voltage. Please do not touch it. 3---The
ground sign.
The voltage and the current caused by the withstanding voltage tester are too high
enough to hurt people. In order to avoiding the injury and the death, please first check it
carefully when moving and using it.
2.Maintenance
(1)User’s maintenance
In order to avoid an electric shock, please don't take apart the tester. The user mustn‟t
repair all of the components in the tester. If the tester doesn‟t work well, please put in
touch with CHANGSHENG Instrument CO., LTD or the appointe
distributors.
(2)Periodic maintenance
According to the working frequency band, the input power cord, the P-wire, the correlative
accessories and so on of the withstanding voltage tester need to be checked and
examined carefully in period, which can protect the user and the accuracy of the tester.
(3)Modification of the user
The user mustn‟t modify the circuit and the components inside. If you did, the warrant of