Rosemount 2120, Reference Manual

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Reference Manual
00809-0100-4030, Rev DA
June 2007
Rosemount 2120
B-11
this provides a partition wall, it is recommended that the fork should be inspected every 2
years for signs of defects.
10. It is the responsibility of the user to ensure that only suitably certified cable entry devices
will be utilized when connecting this equipment.
11. Technical data:
Coding: II 1/2 G D
EEx d IICT6 (Ta = -40°C to + 75°C)
T4 (Ta = -40°C to +125°C)
T3 (Ta = -40°C to +150°C)
Ta = the higher of the process or ambient temperature.
For electrical details and pressure ratings, refer to Section 2: Installation and
Appendix A: Reference Data.
12. Label and certification plate details.
Typical arrangement shown. Sensor specific details omitted.
13. Cable selection.
It is the responsibility of the user to ensure that suitably temperature rated cable is used.
The table below is a guide to selection:
T Class Cable Temperature Rating
T6 85°C
T5 100°C
T4 135°C
T3 160°C
WARNIN ARNING
DO NO O NOT OPEN WHEN AN E T OPEN WHEN AN EXPL XPLOSIVE OSIVE
ATMOSPHERE MA TMOSPHERE MAY BE PRESENT Y BE PRESENT
REFER T REFER TO
INSTR
INSTRUCTION UCTION
MANU MANUAL AL
FLAMEPR FLAMEPROOF VIBRA OOF VIBRATING FORK LEVEL SWIT TING FORK LEVEL SWITCH CH
ROSEMOUNT 2120 SEMOUNT 2120
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MAX W MAX W.P .P.. AT 20° C (bar) ###### T 20° C (bar) ######
MAX PROCESS T MAX PROCESS TEMP (°C) #### EMP (°C) ####
SUPPL SUPPLY ############# Y #############
SWITCH TYPE ########### SWITCH TYPE ###########
OUTPUT ############# OUTPUT #############
MODEL MODEL No 2120############# No 2120#############
SERIAL SERIAL No. ###### No. ######
YEAR ########## YEAR ##########
ENCL. IP66/67 ENCL. IP66/67
0518 0518