Endress+Hauser Micropilot FMR56 - Page 31

Micropilot FMR56, FMR57 FOUNDATION Fieldbus Installation
Endress+Hauser 31
Align antenna axis:
1. Loosen screws.
2. Align antenna axis (up to. ± 15° in all directions).
3. Tighten screws with 15 Nm (11 lbf ft).
6.3.6 Integrated air purge connection for FMR57
In extremely dusty applications, the integrated air purge connection can prevent clogging of
the antenna. Pulsed operation is recommended.
1
A0016932
 10 Micropilot FMR57 with air purge connection
1 Air purge connection NPT¼ or G¼
Pressure range of the purge air
• Pulsed operation:
max. 6 bar (87 psi)
• Permanent operation:
200 to 500 mbar (3 to 7.25 psi)
Make sure to use dry purge air.
In general, air purging should only be used as much as necessary, since too much air
purging may cause mechanical damage (abrasion).