Burkert 8112 Mode D'emploi page 29

Influence of the process pressure to the switching point
4
3
Fig. 24: Influence of the process pressure to the switching point
1
Shifting of the switching point in mm (in)
2
Process pressure in bar (psig)
3
Switching point at reference conditions (notch)
4
Tuning fork
Repeatability
Hysteresis
Switching delay
Frequency
Ambient conditions
Ambient temperature on the housing
Storage and transport temperature
Process conditions
Measured variable
Process pressure
LEVEL SWITCH 8112 of 316L/Hastelloy C4
(2.4610)
Process temperature (thread or flange tem-
perature) with temperature adapter (option)
LEVEL SWITCH 8112 of 316L/Hastelloy
-
C4
LEVEL SWITCH 8112 • with transistor output
1
10
( ")
25
/
64
8
( ")
5
/
16
6
( ")
15 /
64
4
( ")
5 /
32
2
( ")
5
/
64
0
-2
( ")
-5 /
64
-4
( ")
-5
/
32
-6
( ")
-15 /
64
-8
( ")
-5 /
16
-10
( ")
-25
/
64
12
(174,1)
25 38
(362,6) (551,1)
0.1 mm (0.004 in)
approx. 2 mm (0.08 in) with vertical installation
approx. 500 ms (on/off)
approx. 1200 Hz
-40 ... +70 °C (-40 ... +158 °F)
-40 ... +80 °C (-40 ... +176 °F)
Limit level of liquids
-1 ... 64 bar/-100 ... 6400 kPa (-14.5 ... 928 psig)
depending on the process fitting, e.g. flange (see
following diagrams)
-50 ... +150 °C (-58 ... +302 °F)
-50 ... +250 °C (-58 ... +482 °F)
9 Supplement
2
51 64
(739,7) (928,2)
29