Replacing Batteries in the Oakton EcoTestr pH2+ and CTS Testers

How to Replace Batteries in Oakton Testers Video

The Steps

This brief video demonstrates replacement of the batteries in your Oakton pH2+ or your Oakton CTS Tester.

Oakton pH 2+ batteries
  1. Remove the tester battery cover.
    Place your thumb on the back tab of the and use your other hand to lift the front tab.
  2. Remove the batteries from the tester body. Some batteries come right out of the tester.
    Some must be helped by using a fingernail or a small screwdriver or even a paperclip
  3. Note the polarity of the batteries for installation under the tester. The flat face of the battery is the positive terminal.
  4. Place the cap back on the tester once the batteries are firmly in place
  5. Turn the tester on using the power button on the front

Your Oakton Tester is ready for calibration