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Reference Manual
00809-0200-4101, Rev AA
July 2008
A-19
Rosemount 2051
2051LLT Ordering Inform
Model Transmitter Type
2051L Flange-Mounted Liquid Level Transmitter
Code Pressure Ranges (Range/Minimum Span)
2 –250 to 250 inH
2
O/2.5 inH
2
O (–0,6 to 0,6 bar/6,2 mbar)
3 –1000 to 1000 inH
2
O/10 inH
2
O (–2,5 to 2,5 bar/25 mbar)
4 –300 to 300 psi/3 psi (–20,7 to 20,7 bar/0,2 bar)
Code Output
A 4–20 mA with Digital Signal Based on HART Protocol
M Low-Power, 1–5 V dc with Digital Signal Based on HART Protocol
F FOUNDATION fieldbus Protocol
Code High Pressure Side
Diaphragm Size Material Extension Length
G0 2 in./DN 50 316L SST Flush Mount Only
H0 2 in./DN 50 Alloy C-276 Flush Mount Only
A0 3 in./DN 80 316L SST Flush Mount
A2 3 in./DN 80 316L SST 2 in./50 mm
A4 3 in./DN 80 316L SST 4 in./100 mm
A6 3 in./DN 80 316L SST 6 in./150 mm
B0 4 in./DN 100 316L SST Flush Mount
B2 4 in./DN 100 316L SST 2 in./50 mm
B4 4 in./DN 100 316L SST 4 in./100 mm
B6 4 in./DN 100 316L SST 6 in./150 mm
C0 3 in./DN 80 Alloy C-276 Flush Mount
C2 3 in./DN 80 Alloy C-276 2 in./50 mm
C4 3 in./DN 80 Alloy C-276 4 in./100 mm
C6 3 in./DN 80 Alloy C-276 6 in./150 mm
D0 4 in./DN 100 Alloy C-276 Flush Mount
D2 4 in./DN 100 Alloy C-276 2 in./50 mm
D4 4 in./DN 100 Alloy C-276 4 in./100 mm
D6 4 in./DN 100 Alloy C-276 6 in./150 mm
Code Mounting Flange
Size Rating Material
M 2 in. Class 150, ANSI CS
A 3 in. Class 150, ANSI CS
B 4 in. Class 150, ANSI CS
N 2 in. Class 300, ANSI CS
C 3 in. Class 300, ANSI CS
D 4 in. Class 300, ANSI CS
X 2 in. Class 150, ANSI SST
F 3 in. Class 150, ANSI SST
G 4 in. Class 150, ANSI SST
Y 2 in. Class 300, ANSI SST
H 3 in. Class 300, ANSI SST
J 4 in. Class 300, ANSI SST
Q DN50 PN 10-40, DIN CS
R DN80 PN 40, DIN CS
K DN50 PN 10-40, DIN SST
T DN80 PN 40, DIN SST