1. General Introduction
Rosemount 2140 vibrating fork level switch is Hart protocol version for applications including overfill prevention, high and low level alarms, and pump protection. it integrates into existing wired HART loops of automated systems without extra wiring costs, can be switched between HART 5 and HART 7.
2. Basic code selection of 2140 vibrating fork level switch
2140 | Vibrating Fork Liquid Level Detector | |||||||||||||
Profile | A | Standard monitoring and control application | ||||||||||||
F | Functional Safety / SIS applications | |||||||||||||
Output | H | mA output with HART communication | ||||||||||||
Housing material | A | Aluminum alloy ASTM B85 A360.0 | ||||||||||||
S | Stainless steel, 316C | |||||||||||||
Conduit entry / cable threads | 1 | 1/2-in. NPT | ||||||||||||
2 | M20 | |||||||||||||
Operating temperature | M | Mid-Range: -40 °F (-40 °C)... 356 °F (180 °C) | ||||||||||||
E | High: -94 °F (-70 °C)... 500 °F (260 °C) | |||||||||||||
Materials of construction: process connection / fork | S | 316/316L Stainless Steel (1.4401/1.4404) | ||||||||||||
F | ECTFE copolymer, coated 316/316L SST (1.4401/1.4404) | |||||||||||||
H | Alloy C (UNS N10002), Alloy C-276 (UNS N10276), Solid | |||||||||||||
Process connection size | 9 | 3/4-in. / 19 mm | ||||||||||||
1 | 1-in. / 25 mm (DN25) / 25A | |||||||||||||
2 | 2-in. / 50 mm (DN50) / 50A | |||||||||||||
5 | 11/2-in. / 40 mm (DN40) / 40A | |||||||||||||
3 | 3-in. / 80 mm (DN80) / 80A | |||||||||||||
4 | 4-in. / 100 mm (DN100) / 100A | |||||||||||||
7 | 21/2-in. / 65 mm (DN65) / 65A | |||||||||||||
M | For use with Mobrey flange | |||||||||||||
Process connection rating | AA | ASME B16.5 Class 150 flange | ||||||||||||
AB | ASME B16.5 Class 300 flange | |||||||||||||
AC | ASME B16.5 Class 600 flange | |||||||||||||
DA | EN1092-1 PN 10/16 flange | |||||||||||||
DB | EN1092-1 PN 25/40 flange | |||||||||||||
DC | EN1092-1 PN 63 flange | |||||||||||||
DD | EN1092-1 PN 100 flange | |||||||||||||
JA | JIS B2220, 10K flange | |||||||||||||
JB | JIS B2220, 20K flange | |||||||||||||
MA | Mobrey A flange | |||||||||||||
MG | Mobrey G flange | |||||||||||||
NN | For use with non-flange process connection type | |||||||||||||
Process connection type | R | Raised Face (RF) flange | ||||||||||||
M | Mobrey flange | |||||||||||||
B | BSPT (R) thread | |||||||||||||
G | BSPP (G) thread | |||||||||||||
N | NPT thread | |||||||||||||
P | BSPP (G), O-ring | |||||||||||||
C | Tri Clamp | |||||||||||||
Fork length | A | Standard length 1.7 in. (44 mm) | ||||||||||||
H | Standard length flange 4.0 in. (102 mm) | |||||||||||||
E | Extended, customer specified length in tenths of inches | |||||||||||||
M | Extended, customer specified length in millimeters | |||||||||||||
Specific extended fork length | 0000 | Factory default length | ||||||||||||
0060 | 6 inches extended length | |||||||||||||
0090 | 9 inches extended length | |||||||||||||
0120 | 12 inches extended length | |||||||||||||
0240 | 24 inches extended length | |||||||||||||
XXXX | Specific customer specified length | |||||||||||||
Surface finish | 1 | Standard surface finish | ||||||||||||
2 | Mechanically polished | |||||||||||||
Product certifications | NA | No hazardous locations certifications | ||||||||||||
ND | ATEX, Dust certification | |||||||||||||
E1 | ATEX Flameproof | |||||||||||||
E8 | ATEX Flameproof and Dust | |||||||||||||
I1 | ATEX Intrinsic Safety and Dust | |||||||||||||
I8 | ATEX Intrinsic Safety | |||||||||||||
K1 | ATEX Intrinsic Safety, Flameproof, Dust | |||||||||||||
Nk | IECEx, Dust certification | |||||||||||||
E7 | IECEx Flameproof and Dust | |||||||||||||
I7 | IECEx Intrinsic Safety | |||||||||||||
Optional codes | Optional codes [ As per table below] | |||||||||||||
3. Typical mounting & dimensions for 2140 vibrating fork level switch
