Micropilot FMR62B HART
Electrical connection
Hauser
17
10.3.7 Closing the housing covers
NOTICE
Thread and housing damaged from dirt!
‣
Remove dirt (e.g. sand) on the cover and housing thread.
‣
If you encounter resistance when closing the cover, check the thread for dirt and clean it.
Housing thread
The thread of the electronics and connection compartment is coated with lubricant
varnish.
Avoid additional lubrication.
10.4 Post-mounting check
Is the device free from damage (visual inspection)?
Are the measuring point identification and labeling correct (visual inspection)?
Is the measuring device protected against precipitation and sunlight?
Are the securing screws and cover lock tightened securely?
Does the measuring device comply with the measuring point specifications?
For example:
• Process temperature
• Process pressure
• Ambient temperature
• Measuring range
11
Electrical connection
11.1 Connecting requirements
11.1.1 Cover with securing screw
In the case of devices for use in the hazardous area with a certain type of protection, the cover
is sealed by a securing screw.
NOTICE
If the securing screw is not positioned correctly, the cover cannot provide secure sealing.
‣
Open the cover: slacken the screw of the cover lock with a maximum of 2 turns so that the
screw does not fall out. Fit the cover and check the cover seal.
‣
Close the cover: screw the cover securely onto the housing, making sure that the securing
screw is positioned correctly. There should not be any gap between the cover and housing.
