SCHOTT Instruments 567 Mode D'emploi page 17

16 Measurements and device constants
Micro-Ubbelohde viscometers
Ref. No. Capillary No.
... 10 I
... 13 Ic
... 20 II
... 23 IIc
... 30 III
* previously centistokes [cSt]; 1 [cSt] = 1 [mm
17 Table of the kinetic energy correction (HC)
Micro-Ubbelohde viscometers
1)
Correction seconds
Flow time [s]
30
40
50
60
70
80
90
100
1
) The correction seconds stated are related to the respective theoretical constant.
DIN 51 562. Part 2
Ref. No. 536 ... 537 ... 538 ..
Capillary Constant K
∅
(approx.)
(mm)
i
0.40
0.53
0.70
0.95
1.26
DIN 51 562. Part 2
Ref. No. 536 ... 537 ... 538 ..
:
Capillary No.
I Ic
0.46 0.08
0.26 0.04
0.17 0.03
0.12 0.02
0.09 0.01
0.07 0.01
0.05 0.01
0.04 0.01
17
Measuring range mm
(approx.)
0.01 0.4
0.03 1.2
0.1 4
0.3 12
1 40
2
/s]
2
/s (cSt)
to 6
to 18
to 60
to 180
to 800