Emerson Rosemount 644 Reference Manual page 120
Temperature transmitter with hart protocol
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Also See for Rosemount 644:
- Reference manual (134 pages) ,
- Quick start manual (52 pages) ,
- Service manual (37 pages)
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Appendix A: Specifications and Reference Data
April 2015
Table A-5. Rosemount 644 Smart Temperature Transmitter Ordering Information
★ The Standard offering represents the most common models and options. These options should be selected for best delivery.
The Expanded offering is manufactured after receipt of order and is subject to additional delivery lead time.
Options
®
PlantWeb
standard diagnostic functionality
DC
Diagnostics: Hot Backup and Sensor Drift Alert
HART Sensor and Process Diagnostic Suite: Thermocouple Diagnostic and
DA1
Min/Max Tracking
Enclosure options
Housing style
(2) (3)
J5
Universal Junction Box, 2 entries
(3)
J6
Universal Junction Box, 2 entries
Rosemount Connection Head, 2
R1
entries
Rosemount Connection Head, 2
R2
entries
(2)
J1
Universal Junction Box, 3 entries
Field Mount Housing, Separate
(2)
(4)
D1
Terminal Compartment
Field Mount Housing, Separate
(4)
D2
Terminal Compartment
(2)
J3
Universal Junction Box, 3 entries
J4
Universal Junction Box, 3 entries
(2)(3)
J7
Universal Junction Box, 2 entries
(3)
J8
Universal Junction Box, 2 entries
Rosemount Connection Head, 2
R3
entries
Rosemount Connection Head, 2
R4
entries
Connection Head, 2 entries
S1
Connection Head, 2 entries
S2
Connection Head, 2 entries
S3
Connection Head, 2 entries
S4
Mounting bracket
(5)
B4
316 SST U-bolt Mounting Bracket, 2-in pipe mount
(5)
B5
"L" Mounting Bracket for 2-inch pipe or panel mounting
110
Material
Entry size Diameter
Aluminum
M20 X 1.5
1
Aluminum
/
–14 NPT
2
Aluminum
M20 X 1.5
Aluminum
1
/
–14 NPT
2
Aluminum
M20 X 1.5
Aluminum
M20 X 1.5
Aluminum
1
/
–14 NPT
2
Cast SST
M20 X 1.5
1
Cast SST
/
–14 NPT
2
Cast SST
M20 X 1.5
1
Cast SST
/
–14 NPT
2
Cast SST
M20 X 1.5
Cast SST
1
/
–14 NPT
2
1
Polished
/
–14 NPT
2
SST
1
Polished
/
–14
2
SST
NPSM
Polished
M20 X 1.5
SST
Polished
M20 X 1.5,
SST
M24 X 1.4
Reference Manual
00809-0200-4728, Rev RA
● = Available
– = Not Available
Head
A
F W
●
–
–
●
–
–
Head
●
●
●
3 in (76 mm)
●
●
●
3 in (76 mm)
●
●
●
3 in (76 mm)
●
●
●
3 in (76 mm)
●
●
●
3.5 in (89 mm)
–
–
–
3.5 in (89 mm)
3.5 in (89 mm)
–
–
–
●
●
●
3.5 in (89 mm)
●
●
●
3.5 in (89 mm)
●
●
●
3 in (76 mm)
●
●
●
3 in (76 mm)
●
●
●
3 in (76 mm)
●
●
●
3 in (76 mm)
●
●
●
3 in (76 mm)
●
●
●
3 in (76 mm)
●
●
●
3 in (76 mm)
●
●
●
3 in (76 mm)
A
F W
●
●
●
●
●
●
Specifications and Reference Data
Rail
A
–
★
–
★
Rail
–
★
–
★
–
★
–
★
–
★
–
★
–
★
–
–
–
–
–
–
–
–
–
–
A
–
★
–
★
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