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CALIBRATION
8.1. QUICK CALIBRATION
The quick calibration provides a single point calibration for pH, conductivity and / or dissolved oxygen
sensors. Users can select to calibrate all sensors or any sensor combination.
If a sensor is not calibrated or to skip a calibration, press Skip.
Note: If the tutorial mode is enabled, press Tutorial and follow the messages on the screen.
1. Remove the shield from the probe and rinse the probe with purified water.
2. Fill the calibration beaker 2/3 full with HI9828-0 calibration solution.
3. Immerse the sensors in the calibration solution. Raise and lower the probe several times. Discard
the solution.
4. Fill the calibration beaker 2/3 full with HI9828-0 calibration solution.
5. Slowly place the sensors in the solution and dislodge bubbles that may adhere to the sensors.
Screw the calibration beaker completely onto the probe body. Some solution may overflow.
6. Wait a few minutes for the measurement to stabilize. From the “Calibration” menu select “Quick
Calibration” and press Start. A three item calibration menu will appear. “pH” will start to blink
along with the “Not ready” message.
7. The “Ready” message will appear when the pH reading has stabilized. Press Confirm to store
the calibration point. The “Storing” message and a checkmark will appear in the box next to
“pH” to indicate a successful calibration.
8. “Conductivity” will start to blink along with the “Not ready” message.
9. The “Ready” message will appear when the EC reading has stabilized. Press Confirm to store
the calibration point. The “Storing” message and a checkmark will appear in the box next to
“Conductivity” to indicate a successful calibration.
10. The message “Empty the beaker.” will appear. Unscrew the calibration beaker and discard the solution.
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