Rosemount 2120 Vibrating Fork Level Switch

Material of construction

D

316/316L Stainless   Steel (1.4401/1.4404) dual certified

F

ECTFE copolymer, coated   316/316L SST (1.4401/1.4404)

C

Alloy C (UNS N10002),   Alloy C-276 (UNS N10276), Solid

Process connection

0A

3/4-in.   BSPT (R) Thread

0B

3/4-in.   BSPP (G) Thread

0D

3/4-in.   NPT Thread

1A

1-in.   BSPT (R) Thread

1B

1-in.   BSPP (G) Thread

1D

1-in.   NPT Thread

2D

2-in.   NPT Thread

1P

1-in.   BSPP (G), O-ring

5R

11/2-in.   (38 mm) Tri Clamp

2R

2-in.   (51 mm) Tri Clamp

8Q

Mobrey   A Flange

9Q

Mobrey   G Flange

1G

1-in.   ASME B16.5 Class 150 Raised Face (RF) Flange

1H

1-in.   ASME B16.5 Class 300 Raised Face (RF) Flange

1J

1-in.   ASME B16.5 Class 600 Raised Face (RF) Flange

5G

11/2-in.   ASME B16.5 Class 150 Raised Face (RF) Flange

5H

11/2-in.   ASME B16.5 Class 300 Raised Face (RF) Flange

2G

2-in.   ASME B16.5 Class 150 Raised Face (RF) Flange

2H

2-in.   ASME B16.5 Class 300 Raised Face (RF) Flange

3G

3-in.   ASME B16.5 Class 150 Raised Face (RF) Flange

3H

3-in.   ASME B16.5 Class 300 Raised Face (RF) Flange

4G

4-in.   ASME B16.5 Class 150 Raised Face (RF) Flange

4H

4-in.   ASME B16.5 Class 300 Raised Face (RF) Flange

Electronic type

T

Direct load switching

G

PNP/PLC (3-wire) 20 to   60 Vdc

V

Relay DPCO, 20 to 264   Vac 50/60Hz, 20 to 60 Vdc

E

Relay DPCO, 9...30 Vdc

K

NAMUR

H

8/16 mA

Surface finish

1

Standard surface finish

2

Hand polished (Ra <   0.4 μm)

3

Ra < 0.76 μm, hygienically   approved

4

Electro-polished to   0.76 μm

7

Mechanically-polished   to Ra < 0.1 μm

8

Electro-polished to Ra   < 0.38 μm

Product certifications

NA

No Hazardous Locations   Certifications

E1

ATEX Flameproof

E3

NEPSI Flameproof

E5

FM Explosion-proof

E7

IECEx Explosion-proof

I1

ATEX Intrinsic Safety

I3

NEPSI Intrinsic Safety

I5

FM Intrinsic Safety

I7

IECEx Intrinsic Safety

Housing

A

Glass Filled Nylon, M20   conduits/cable threads

D

Glass Filled Nylon,   1/2-in. ANPT conduits/cable threads

X

Aluminum Alloy, M20   conduits/cable threads

Y

Aluminum Alloy, 3/4-in.   ANPT conduits/cable threads

S

Stainless Steel, M20   conduits/cable threads

T

Stainless Steel 3/4-in.   ANPT conduits/cable threads

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   (only if Fork Length A or H is selected)

XXXX

Specific customer   specified length in tenths of inches or millimeters (XXX.X inches or XXXX mm)

Optional codes

Optional codes [   As per table below]