Siemens SITRANS F Series, Руководство по эксплуатации, Страница: 86 / 362

Service and maintenance
8.3 Cleaning
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
84
Operating Instructions, 08/2017, A5E37367739-AC
8.3 Cleaning
Cleaning the enclosure
● Clean the outside of the enclosure with the inscriptions and the display window using a
cloth moistened with water or a mild detergent.
● Do not use any aggressive cleansing agents or solvents, e.g. acetone. Plastic parts or the
painted surface could be damaged. The inscriptions could become unreadable.
8.4 Electrostatic charge
WARNING
Electrostatic charge
May cause death or serious injury.
Risk of explosion in hazardous areas if electrostatic charges develop, for example, when
cleaning plastic surfaces with a dry cloth
•
Prevent electrostatic charging in hazardous areas.
•
Clean only with a damp cloth.
8.5 Maintenance and repair work
The device is maintenance-free. However, a periodic inspection according to pertinent
directives and regulations must be carried out.
An inspection can include check of:
● Ambient conditions
● Seal integrity of the process connections, cable entries, and cover screws
● Reliability of power supply, lightning protection, and grounds
8.5.1 Service and maintenance information
Service and maintenance information is information about the condition of the device used
for diagnostics and service purposes.