Burkert Type 8112 - Manual (Page 29)

Influence of the process pressure to the switching point
1
2
3
4
12
(174,1)
38
(551,1)
25
(362,6)
51
(739,7)
64
(928,2)
10 ( 25 / 64
")
8 ( 5 / 16
")
6 ( 15 / 64
")
4 ( 5 / 32
")
2 ( 5 / 64
")
-2 ( -5 / 64
")
-4 ( -5 / 32
")
-6 ( -15 / 64
")
-8 ( -5 / 16
")
-10 ( -25 / 64
")
0
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 (psig)
3 Switching point at reference conditions (notch)
4 Tuning fork
Repeatability 0.1 mm (0.004 in)
Hysteresis approx. 2 mm (0.08 in) with vertical installation
Switching delay approx. 500 ms (on/off)
Frequency approx. 1200 Hz
Ambient conditions
Ambient temperature on the housing -40 … +70 °C (-40 … +158 °F)
Storage and transport temperature -40 … +80 °C (-40 … +176 °F)
Process conditions
Measured variable Limit level of liquids
Process pressure -1 … 64 bar/-100 … 6400 kPa (-14.5 … 928 psig)
depending on the process fitting, e.g. flange (see
following diagrams)
Process temperature (thread or flange tem-
perature)
-
LEVEL SWITCH 8112 of 316L/Hastelloy
C 22 (2.4602)
-50 … +150 °C (-58 … +302 °F)
Process temperature (thread or flange tem-
perature) with temperature adapter (option)
-
LEVEL SWITCH 8112 of 316L/Hastelloy
C 22 (2.4602)
-50 … +250 °C (-58 … +482 °F)
LEVEL SWITCH 8112 • - Relay (DPDT) 29
9 Supplement
32050
-
EN
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120418