Reference Manual
00809-0400-4728, Rev AA
June 2011
A-11
Rosemount 644
Sanitary Housing Covers
Standard Cover
LCD Display Cover
Dimensions are in millimeters (inches)
79.8 (3.14)
70.0 (2.76)
33 (1.3)
76.2 (3.0)
24.4
(0.96)
25.4 (1.0)
44.5 (1.75)
27.9 (1.1)
Standard Cover
Housing
O-Ring
70.0 (2.76)
33 (1.3)
76.2 (3.0)
47 (1.85)
61 (2.4)
25.4 (1.0)
44.5 (1.75)
27.9 (1.1)
74.4 (2.93)
LCD Display Cover
Housing
O-Ring