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Reference Manual
00809-0100-4102, Rev AA
Appendix A: Reference Data
May 2013
Specifications and Reference Data
Table A-8. Rosemount 2051L Liquid Level Transmitter Ordering Information
★ The Standard offering represents the most common options. The starred options (★) should be selected for best delivery.
__The Expanded offering is subject to additional delivery lead time.
Model Trans mit ter Type
2051L Liquid Level Transmitter
Pressure Range
Standard Standard
2–250 to 250 inH2O (–0,6 to 0,6 bar) ★
3–1000 to 1000 inH2O (–2,5 to 2,5 bar) ★
4–300 to 300 psi (–20,7 to 20,7 bar) ★
Transm itt er O utpu t
Standard Standard
XWireless ★
Process Connection Size, Material, Extension length (High Side)
Standard Standard
Code Process Connection Size Material Extension Length ★
G0(1) 2-in./DN 50 316L SST Flush Mount Only ★
H0(1) 2-in./DN 50 Alloy C-276 Flush Mount Only ★
J0 2-in./DN 50 Tanta lum Flush Mount Only ★
A0(1) 3-in./DN 80 316L SST Flush Mount ★
A2(1) 3-in./DN 80 316L SST 2-in./50 mm ★
A4(1) 3-in./DN 80 316L SST 4-in./100 mm ★
A6(1) 3-in./DN 80 316L SST 6-in./150 mm ★
B0(1) 4-in./DN 100 316L SST Flush Mount ★
B2(1) 4-in./DN 100 316L SST 2-in./50 mm ★
B4(1) 4-in./DN 100 316L SST 4-in./100 mm ★
B6(1) 4-in./DN 100 316L SST 6-in./150 mm ★
C0(1) 3-in./DN 80 Alloy C-276 Flush Mount ★
C2(1) 3-in./DN 80 Alloy C-276 2-in./50 mm ★
C4(1) 3-in./DN 80 Alloy C-276 4-in./100 mm ★
C6(1) 3-in./DN 80 Alloy C-276 6-in./150 mm ★
D0(1) 4-in./DN 100 Alloy C-276 Flush Mount ★
D2(1) 4-in./DN 100 Alloy C-276 2-in./50 mm ★
D4(1) 4-in./DN 100 Alloy C-276 4-in./100 mm ★
D6(1) 4-in./DN 100 Alloy C-276 6-in./150 mm ★
E0 3-in./DN 80 Tanta lum Flush Mount Only ★
F0 4-in./DN 100 Tant alum Flush Mount Only ★
Mounting Flange Size, Rating, Material (High Side)
Size Rating Material
Standard Standard
M2-in. ANSI/ASME B16.5 Class 150 CS ★
A3-in. ANSI/ASME B16.5 Class 150 CS ★
B4-in. ANSI/ASME B16.5 Class 150 CS ★
N2-in. ANSI/ASME B16.5 Class 300 CS ★
C3-in. ANSI/ASME B16.5 Class 300 CS ★
D4-in. ANSI/ASME B16.5 Class 300 CS ★