Siemens SITRANS LVL200E Panduan Petunjuk Pengoperasian - Halaman 36
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Influence of the product density on the switching point
6
5
Fig. 41: Influence of the product density on the switching point
1
Shifting of the switching point in mm (in)
2
Product density in g/cm³ (lb/in³)
3
Switch position ≥ 0.5 g/cm³ (0.018 lb/in³)
4
Switch position ≥ 0.7 g/cm³ (0.025 lb/in³)
5
Switching point at reference conditions (notch)
6
Tuning fork
Influence of the process pressure to the switching point
4
3
Fig. 42: 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
Measuring frequency
36
1
10
(
")
25
/
64
8
(
")
5
/
16
6
(
")
15
/
64
4
(
")
5
/
32
2
(
")
5
/
64
0
-2
(
")
-5
/
64
-4
(
")
/
-5
32
3
-6
(
")
-15
/
64
-8
(
")
/
-5
16
-10
(
")
/
-25
64
0,6
0,8
(0,022)
(0,029)
(0,036)
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)
0.1 mm (0.004 in)
approx. 2 mm (0.08 in) with vertical installation
approx. 500 ms (on/off)
approx. 1200 Hz
SITRANS LVL200E - Operating Instructions
1
1,2
1,4
1,6
(0,043)
(0,051)
(0,058)
25
38
(362,6)
(551,1)
4
1,8
2
2,2
2,4
(0,065)
(0,072)
(0,079)
(0,087)
51
(739,7)
(928,2)
MAN-100411
2
2
64