MemoTrans
47
12 Maintenance
12.1 Remarks
The maintenance of the measuring point comprises:
• Calibration
• Cleaning the compact transmitter, fitting, and sensor
• Checking the cables and connections
WARNING! Process pressure and temperature, contamination.
Risk of serious or fatal injury.
• If the sensor has to be removed during maintenance work, avoid hazards posed by pressure,
temperature, and contamination.
NOTICE!
Electrostatic discharge (ESD).
Risk of damaging the electronic components.
• Take personal protective measures to avoid ESD, such as discharging beforehand at PE or
permanent grounding with a wrist strap.
12.2 Maintenance Tasks
12.2.1 Cleaning
NOTICE!
Cleaning agents not permitted.
Damage to housing surface and optical waveguide.
• Never use concentrated mineral acids or alkaline solutions for cleaning.
• Never use organic cleaners such as acetone, benzyl alcohol, methanol, methylene chloride,
tetrahydrofuran, xylene or concentrated glycerol cleaner.
The device is resistant to:
• Ethanol (for a short time)
• Diluted acids (max. 2% HCl)
• Diluted bases (max. 3% NaOH)
• Soap-based household cleaners
• Dishwashing liquid
12.2.2 Calibration
To calibrate the sensor, remove it from the medium and calibrate it in the laboratory. Since
Memosens sensors save the data, you can always work with precalibrated sensors and do not
have to stop monitoring the process to perform a calibration.
Path:
Guidance
Calibration
01.
Select calibration type.
02.
Follow the instructions of the software.
03.
Return the sensor to the medium.
Result
✔
This deactivates the hold and the system starts measuring again.
