Emerson Rosemount 2120 Reference Manual page 48

Reference Manual

00809-0100-4030, Rev FA

Figure A-7. Tri Clamp Mounting (Extended Length, Surface Finish Codes 1 and 2)

Glass-filled nylon housing

(and not hygienically approved)

Allow 1.2 (30)

to remove cover

5.2

(132)

Ø1.6 (41)

E(M)

1.7

(44)

0.5 (13) switchpoint

(when mounted horizontally)

1

A. Cable entry M20 x 1.5 or

/

-in. ANPT

2

3

B. Cable entry M20 x 1.5 or

/

-in. ANPT

4

Dimensions are in inches (millimeters).

Table A-5. Fork Length for Tri Clamp Rosemount 2120 (Not Hygienically Approved)

Process

connection

Tri Clamp

(surface finish code 1)

Tri Clamp

(surface finish code 2)

42

4 (102)

3.5 (90)

C

Ø1.1 (28)

0.5 (13) switchpoint

(when mounted vertically)

Standard length

fork length code A

1.7 in. (44 mm)

1.7 in. (44 mm)

Aluminum/stainless steel housing

(and not hygienically approved)

Allow 1.2 (30)

to remove cover

A

6.4

(162)

Ø1.6 (41)

E(M)

0.5 (13) switchpoint

(when mounted horizontally)

1

C. 1

/

-in. (38 mm) or 2-in. (51 mm) Tri Clamp, surface finish codes 1 and 2

2

Minimum length

fork length code E (M)

4.13 in. (105 mm)

4.13 in. (105 mm)

Specifications and Reference Data

4.7 (120)

C

Ø1.1 (28)

1.7

0.5 (13) switchpoint

(44)

(when mounted vertically)

Maximum length

fork length code E (M)

157.5 in. (4000 mm)

157.5 in. (1000 mm)

Specifications and Reference Data

December 2016

B