VEGA VEGASWING 63 - Relay (DPDT) - Manual (Page 28)

28
9 Supplement
VEGASWING 63 • - Relay (DPDT)
29229-EN-130409
Influence of the product density on the switching point
1
2
4
3
5
6
1,2
(0,043)
1
(0,036)
0,8
(0,029)
0,6
(0,022)
1,4
(0,051)
1,6
(0,058)
1,8
(0,065)
2
(0,072)
2,2
(0,079)
2,4
(0,087)
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. 31: 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
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. 32: 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)
Measuring frequency approx. 1200 Hz