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PH meter--the reason why the PH meter does not respond when turned on?

 Last Update: 2022-08-15
 Source: Internet
 Author: User

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No response at boot

Causes of failure: 1) The circuit is not connected; 2) The external voltage is unstable; 3) The instrument is damag.

Remedy: 1) Check whether the power supply has voltage output; 2) If there is no response to the external stabilized power supply, check the output of the stabilized power supply, which should have a DC voltage of 9V; 3) Replace or repair as requir.

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