bürkert LEVEL SWITCH 8112 Bedienungsanleitung Seite 31

-50 °C
(-58 °F)
Fig. 27: Process temperature - Process pressure with switch position 0.5 g/cm³ (sensitivity switch)
1
Process pressure in bar (psig)
2
Process temperature in °C (°F)
Viscosity - dynamic
Flow velocity
Density
Electrical protective measures
Protection rating
Overvoltage category
Protection class
Adjustment elements
Mode switch
A
-
B
-
Density changeover switch
0.5
-
0.7
-
Voltage supply
Operating voltage
Power consumption
Electrical protective measures
Protection rating
Plastic housing
-
LEVEL SWITCH 8112 • with transistor output
1
64
(928)
40
(580)
20
(290)
-1 (-14,5)
0 °C
50 °C
(32 °F)
(122 °F)
100 °C 150 °C 200 °C
(212 °F) (302 °F) (392 °F)
0.1 ... 10,000 mPa s (requirement: with density 1)
max. 6 m/s (with a viscosity of 1 mPa s)
0.7 ... 2.5 g/cm³ (0.025 ... 0.09 lbs/in³); 0.5 ... 2.5 g/
cm³ (0.018 ... 0.09 lbs/in³) by switching over
IP 66/IP 67
III
II
Max. detection or overflow/overfill protection
Min. detection or dry run protection
0.5 ... 2.5 g/cm³ (0.018 ... 0.9 oz/in³)
0.7 ... 2.5 g/cm³ (0.025 ... 0.9 oz/in³)
10 ... 55 V DC
max. 0.5 W
IP 66/IP 67
9 Supplement
2
250 °C
(482 °F)
31