Kracht VC PULSE Series, Operating Instructions Manual

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4 | Technical data Kracht GmbH
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Linearized measur-
ing accuracy
[µm]
Ball bearing
± 0.3%
from 20 mm²/s
20
50 ( 224)
Ball bearing
(increased clearance)
± 0.5%
from 50 mm²/s
30
Hybrid ball bearing
± 1%
from 20 mm²/s
20
Carbide plain bearing
± 0.5%
from 100 mm²/s
30
Bronze plain bearings
± 1%
from 100 mm²/s
50
4.2 Overview nominal sizes
Nominal size Measuring range [l/min]
Bearing
Ball bearing Ball bearing
(increased
clearance)
Hybrid ball
bearing
Carbide plain
bearing
Bronze plain
bearings
0,025 0.008 - 2 - 0.008 - 2 0.02 - 2
(1)
-
0.04 0.02 - 4 - 0.02 - 4 - -
0.1 0.04 - 8 - 0.04 - 8 0.04 - 8 -
0.2 0.16 - 16 0.16 - 16 0.16 - 16 0,16 - 16 -
0.4 0.2 - 40 - - 0.2 - 30 -
1 0.4 - 80 0.4 - 80 0.4 - 80 0.3 - 60 0.6 - 40
3 0.6 - 160 0.6 - 160 - 0.6 - 100 -
5
(2)
1 - 250 1 - 250 - 1 - 160 1.2 - 80
12 2 - 600 - - -
-
16 3 - 700 - - - -
(1)
Linearized measuring accuracy ± 3 %; Repeatability ± 1.5 %
(2)
VC 5 …/224: Messbereich 1 – 160 [l/min]; Linearized measuring accuracy ± 0.5 % ab ≥ 50
mm²/s; Repeatability ± 0.05 %