Burkert Type 8112 - Handbuch (Seite 7)

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T3 with temperature adapter
-50 … +200 °C
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T2, T1 with temperature adapter
-50 … +250 °C
O n the electronics - category 1/2G or 2G
Temperature class
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T6 -40 … +67 °C
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T5 -40 … +82 °C
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T4, T3, T2, T1
-40 … +90 °C
3 .2.2 P ermissible operating pressure in range of the sensor
C ategory 1/2G
Operating pressure 0 .8 … 1.1 bar
C ategory 2G
Operating pressure Vaccum … 64 bar (if necessary nominal
pressure of the process connection element)
I nformation:
The application conditions mentioned before also apply to LEVEL SWITCH LS8112.
C******N* with lock fitting ARV8112.2** (Pmax. 16 bar, Tmax. 150 °C), ARV8112.3**
(P
max. 64 bar, Tmax. 250 °C).
3 .3 P ermissible differing application conditions
The LEVEL SWITCH LS8111C******N*, LEVEL SWITCH LS8112C******N* (also with lock
fi
tting ARV8112.***) can also be operated as category 1/2G instrument according to the
conditions mentioned below.
T emperature class T emperature on the sen-
sor
A mbient temperature on
the electronics
P rocess pressure
T4, T3, T2, T1 -20 … +60 °C -40 … +90 °C 0 … 6 bar
N ote:
If the application conditions (as mentioned before) on the sensor differ, and LEVEL
SWITCH LS8111C******N*, LEVEL SWITCH LS8112C******N* is used as category
1
/2G instrument, please make sure that the sensor (even in case of failure) has no
own heating and that the safe operation of the equipment in respect to pressures/
temperatures of the materials used, is subject to the user.
The permissible pressures and temperatures for operation are mentioned in the
operating instructions manuals.
LEVEL SWITCH LS8111.C******N*; LEVEL SWITCH LS8112.C******N* 7
32845
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EN
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070615