Burkert Type 8112 - Manual (Page 31)

1
2
-50 °C
(-58 °F)
0 °C
(32 °F)
50 °C
(122 °F)
100 °C
(212 °F)
150 °C
(302 °F)
200 °C
(392 °F)
250 °C
(482 °F)
20
(290)
-1 (-14,5)
40
(580)
64
(928)
Fig. 31: 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 0.1 … 10,000 mPa s (requirement: with density 1)
Flow velocity max. 6 m/s (with a viscosity of 1 mPa s)
Density 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
Electromechanical data
Cable entry/plug (dependent on the version)
-
Single chamber housing l
1 x cable entry M20 x 1.5 (cable: ø 5 … 9 mm),
1 x blind stopper M20 x 1.5; attached 1 x cable
entry M20 x 1.5
or:
l
1 x cable entry ½ NPT, 1 x blind stopper ½ NPT,
1 x cable entry ½ NPT
or:
l
1 x plug M12 x 1; 1 x blind stopper M20 x 1.5
Screw terminals for wire cross-section up to 1.5 mm² (AWG 16)
Adjustment elements
Mode switch
-
A Max. detection or overflow/overfill protection
-
B Min. detection or dry run protection
Density changeover switch
-
0.5 0.5 … 2.5 g/cm³ (0.018 … 0.9 oz/in³)
-
0.7 0.7 … 2.5 g/cm³ (0.025 … 0.9 oz/in³)
Voltage supply
Operating voltage
LEVEL SWITCH 8112 • - Relay (DPDT) 31
9 Supplement
32050
-
EN
-
120418