Single Point Calibration
- Press the “Single-pt” button.
- Enter the pH level for the midPt. Should be 7.
- Press the “Calibrate” button.
- Remove the cap and rinse the probe.
- Pour a small aliquot of solution in the beaker. This aliquot should be discarded after use.
- Place the probe in the solution for 1-2 minutes.
- Press the “Calibrate” button.
- The screen should flash “Calibration Successful” and you will be returned to the main screen for pH; otherwise, repeat steps 2-7.
Two Point Calibration (Optional)
- Press the “Two-pt” button.
- Enter the pH level for the mid point. Should be 7.
- Press the “Calibrate” button.
- Remove the cap and rinse the probe.
- Pour a small amount of mid point solution in the cup.
- Place the probe in the solution for 1-2 minutes.
- Press the “Calibrate” button.
- Do not pour solution back in solution bottle.
- The screen should show “Calibration Successful”. If it did not then retry the calibration.
- Enter the pH level for the low point. Should be lower than 7.
- Press the “Calibrate” button.
- Pour a small amount of low point solution in the cup.
- Place the probe in the solution for 1-2 minutes.
- Press the “Calibrate” button.
- Do not pour solution back in solution bottle.
- The screen should show “Calibration Successful” and you will be returned to the main screen for pH. If it did not then retry the calibration.
Three Point Calibration (Optional)
- Press the “Three-pt” button.
- Enter the pH level for the mid point. Should be 7.
- Press the “Calibrate” button.
- Remove the cap and rinse the probe.
- Pour a small amount of mid point solution in the cup.
- Place the probe in the solution for 1-2 minutes.
- Press the “Calibrate” button.
- Do not pour solution back in solution bottle.
- The screen should show “Calibration Successful”. If it did not then retry the calibration.
- Enter the pH level for the low point. Should be lower than 7.
- Press the “Calibrate” button.
- Pour a small amount of low point solution in the cup.
- Place the probe in the solution for 1-2 minutes.
- Press the “Calibrate” button.
- Do not pour solution back in solution bottle.
- The screen should show “Calibration Successful”. If it did not then retry the calibration.
- Enter the pH level for the high point. Should be higher than 7.
- Press the “Calibrate” button.
- Pour a small amount of high point solution in the cup.
- Place the probe in the solution for 1-2 minutes.
- Press the “Calibrate” button.
- Do not pour solution back in solution bottle.
- The screen should show “Calibration Successful” and you will be returned to the main screen for pH. If it did not then retry the calibration.