Level limit switch
Series VN 1000 / 2000 / 5000 / 6000
Technical information / Instruction manual
page
Technical data
Operating conditions
Ambient temp. (housing)
-40°C .. +60°C (-40 .. +140°F)
VN ..020/ VN ..030 and VN ..040
-25°C .. +60°C (-13 .. +140°F)
VN ..050
Process temperature
-40°C .. +150°C (-40 .. +302°F)
VN ..020/ VN ..030 and VN ..040
Mounting for process temperature up to 150°C (302°F): see
drawing
-40°C .. +110°C (-40 .. +230°F)
VN ..020/ VN ..030 with Ex approval and separate housing
(price list option 26.1, 26.2)
-25°C .. +80°C (-13 .. +176°F)
VN ..050
Ventilation
Ventilation is not required
Min. powder density
Setting B
VN 1000/ 5000:
ca 50 g/l (3 lb/ft
3
)
VN 2000/ 6000:
ca 20 g/l (1.2 lb/ft
3
)
ca 5 g/l (0.3 lb/ft
3
)
< 5 g/l (0.3 lb/ft
3
)
< 5 g/l (0.3 lb/ft
3
)
Setting A
ca 150 g/l (9 lb/ft
3
)
ca 75 g/l (4.5 lb/ft
3
) Standard version
ca 20 g/l (1.2 lb/ft
3
) Enhanced sensitivity (pos. 26x)
< 20 g/l (1.2 lb/ft
3
) Vibrasil
®
90 (pos. 26b)
< 20 g/l (1.2 lb/ft
3
) Vibrasil
®
70 (pos. 26a)
Due to the increased vibrating surface the
Vibrasil
®
70 is
even more sensitive than the
Vibrasil
®
90.
Features of bulk
material
No strong caking tendancies
Max. grain size 10 mm (0.39“)
Max. mechanical load
600 N laterally (on oscillator rods)
Recommended protection in case of high material load: mounting of a protective canopy above the
probe.
Max. mechanical torque
300 Nm
VN ..030
100 Nm
VN ..040
Max. tractive force
2 kN
VN ..050
Max. process pressure
16 bar (232 psi)
VN ..020, VN ..030
16 bar (232 psi)
VN ..040 (depending on the quality of the local mounted sealing
of the extension tube)
6 bar (87 psi)
VN ..050
The max. process pressure may be reduced with use of flanges. Observe flange standards for pressure
rating and pressure derating with higher temperature.
For versions with Ex-approvals: see remarks on page 31.
Vibration
1.5 (m/s
2
)
2
/Hz according to EN 60068-2-64
Relative Humidity
0 - 100%, suitable for outdoor use
Altitude
max. 2,000 m (6,562 ft)
Expected product
lifetime
Following parameters have a negative influence on the expected product lifetime:
High ambient- and process temperature, corrosive environment, high vibration, high flow rate of
abrassive bulk material passing the sensor element.
For versions with
Ex-approvals:
see remarks on
page 33.
Vibranivo
®
1
2
3
4
5
6
7
8
9
10
11
12
VN 1000 / 2000 / 5000 / 6000 g
gi180713
10
