Maintenance And Repair - Mettler Toledo InTap Portable oDO Guide De L'utilisateur

6. Set the options "Cal Pressure", "Rel. Humidity" and "Stability".
7. Tap "Cal".
8. Confirm the message "There is a "auto logging" procedure running" with "Yes".
9. Answer the question "First calibration after OptoCap change" correctly.
⇒ The message "Connect the gas to InTap inlet." is shown.
10. Turn on the compressed air.
11. Ensure a steady medium flow without pressure build-up in the measurement cell.
12. Tap "Next".
⇒ The current value is shown.
⇒ If the criteria are met, the message "Please change gas." is shown.
13. Connect the second reference gas (zero gas) to the connection "Medium In".
14. Tap "Next".
⇒ The current value is shown.
⇒ If the stability criteria are met, the values for P100 and P0 are shown.
15. Tap "Adjust" or "Calibrate".
16. Tap "Done" to finish calibration of the InTap sensor.
8

Maintenance and Repair

Clean the surfaces with a soft damp cloth and dry the surfaces with a cloth carefully.
Replacing the OptoCap of the InTap Sensor (Sensor's Sensing Element)
Typically, the OptoCap has to be replaced after 6 to 12 months. This interval depends on the
aggressiveness (CIP / SIP) of the application conditions.
For dismantling the sensor refer to the "Exchanging the InTap Sensor" section. For replacing the
OptoCap refer to the User Manual "InPro 6000 Optical O Sensors".
2
Exchanging the InTap Sensor
1. If necessary, exchange the sensor as shown in the following figure.
2. Tighten cover screws with a maximum torque of 5 Nm.
3. Calibrate sensor. See Chapter 7 on Page 54.
en 56 InTap Portable oDO Analyzer • 30 461 735 B