Answer
Aug 14, 2023 - 08:31 AM
The only calibration on the RJ Plus series is to make sure that the cell type is set correctly. Press the menu button until "Cell Type" is displayed, yours should say "RJ+45". If it does not then you can use the red arrows on the keypad.
As long as the cell type is set correctly it would be very atypical for your salt level to read that much off from an independent reading. We recommend getting another independent reading from a different source to verify. If the 2nd independent reading confirms approximately 3850 ppm then please call us with the serial number on your cell so we can start a warranty claim. Our number is 888-206-9938.
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