UWT Rotonivo RN 4000 Series Technical Information/Instruction Manual page 15

Rotonivo
Settings: Sensitivity / Maintenance
Adjustment of
The spring is adjustable in 3 positions. It should be changed only if necessary.
the spring
„Fine":
„Medium": suitable for nearly every material (factory setting)
„Coarse": for very sticky material
The spring can be changed via a small plier.
Spring
fine
Sensitivity
The table shows approximate values for the minimum densities, at which a normal function should be possible.
Vane
Boot shaped vane 40x98
Boot shaped vane 35x106
Boot shaped vane 28x98
Boot shaped vane 26x77
Hinged vane 98x200 b=37 double sided
Hinged vane 98x200 b=28 double sided
Hinged vane 98x100 b=37 single sided
Hinged vane 98x100 b=28 single sided
The above mentioned data is a guideline and is for loose, non compacted material.
During the filling the bulk density can change (e. g. for fluidised material).
*For versions with option 26 (heating of housing) the above mentioned data must be multipied by 1.5.
Maintenance
Generally the device requires no maintenance.
RN 4000
Level limit switch
®
Series RN 4000
Technical information / Instruction manual
for light material
medium coarse
*Minimum density in g/l = kg/m³ (lb/ft³) (without guarantee)
Vane completely covered with bulk
Spring adjustment
fine
200 (12)
200 (12)
300 (18)
350 (21)
70 (4.2)
100 (60)
200 (12)
300 (18)
Bulk material covers vane up to 100mm (3.93")
material
medium
(Factory setting)
300 (18)
300 (18)
500 (30)
560 (33)
100 (60)
150 (9)
300 (18)
500 (30)
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Spring adjustment
medium
fine
(Factory setting)
100 (60) 150 (9)
100 (60) 150 (9)
150 (9) 200 (12)
200 (12) 250 (15)
35 (2.16) 50 (3)
50 (3) 75 (4.5)
100 (60) 150 (9)
150 (9) 250 (15)
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