Burkert Type 8111 User Manual
Page 30
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. 25: 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
Electrical protective measures
Protection rating
IP
66/IP 67
Overvoltage category
III
Protection class
II
Adjustment elements
Mode switch
-
Min.
rising characteristic curve (High current when
immersed)
-
Max.
falling characteristics (Low current when immersed)
Sensitivity 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)
Test key
simulation of a line break between sensor and
processing unit
Voltage supply
Operating voltage (characteristics according
to standard)
for connection to an amplifier according to NAMUR
IEC
60947-5-6, approx. 8.2 V
Off-load voltage
U
0
approx. 8.2 V
Shortcircuit current
I
U
approx. 8.2 mA
30
LEVEL SWITCH
8111 • with NAMUR output
9 Supplement
32048
-EN
-120418