The meter is malfunctioning or not displaying properly, so I changed the battery. Now it doesn work…….What happened?
The more times the case is opened, it increases the chances of contamination or moisture in the case. The only time to change the battery is when the LO BATT symbol displays, when the units just simply wont turn on, or when the case is already open to change the pH probe. When moisture/debris get inside, it can cause a malfunction.
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