4
3
Fig. 28: Influence of the process pressure to the switching point
1
Shifting of the switching point in mm (in)
2
Process pressure in bar (psi)
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
Parameter
Process pressure
LEVEL SWITCH 8112 of 316L/Hastel-
loy C4 (2.4610)
LEVEL SWITCH 8112 - with relay 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 (-14.5 ... 938 psi) depending on
the process fitting, e.g. flange (see following
diagrams)
-50 ... +150 °C (-58 ... +302 °F)
Supplement
2
51
64
(739,7)
(928,2)
29