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For measurement of intrinsic viscosity of transparent
Newtonian liquids according to ASTM D 445 and ISO 3104. Specifications
conform to ASTM D 446 and ISO 3105. Viscometer constant is the same at
all temperatures.
Ubbelohde viscometers are for use with transparent liquids. Unlike the
Cannon-Fenske Routine viscometer, suspended
level viscometers possess the same viscometer constant at all
temperatures. This property is advantageous when measurements are to be
made at a number of different temperatures. Cannon has improved the
design of the Ubbelohde viscometer to make a more rugged
instrument called the Cannon-Ubbelohde
viscometer. Other suspended level viscometers include the
BS/IP/SL,
BS/IP/SL(S), and BS/IP/MSL
viscometers.
CU Calibrated Series
Provided with certificate of calibration and instruction sheet.
Minimum sample volume 8 mL can be diluted to 40 mL.
Require liquid bath depth of 305 mm (12 inches). The CT-518 bath is
recommended. |
|
*250 sec minimum flow time.
All other sizes have flow times of 200 to 1000 seconds.
|
Size |
Approx. constant,
mm2/s2(cSt/s) |
Kinematic Viscosity Range
mm2/s(cSt) |
Uncalibrated
CUDU Series |
Calibrated
CUDC Series |
|
25* |
0.002 |
0.5 - 2 |
9722-L50 |
9722-M50 |
|
50 |
0.004 |
0.8 - 4 |
9722-L53 |
9722-M53 |
|
75 |
0.008 |
1.6 - 8 |
9722-L56 |
9722-M56 |
|
100 |
0.015 |
3 - 15 |
9722-L59 |
9722-M59 |
|
150 |
0.035 |
7 - 35 |
9722-L62 |
9722-M62 |
|
200 |
0.1 |
20 - 100 |
9722-L65 |
9722-M65 |
|
300 |
0.25 |
50 - 250 |
9722-L68 |
9722-M68 |
|
350 |
0.5 |
100 - 500 |
9722-L71 |
9722-M71 |
|
400 |
1.2 |
240 - 1200 |
9722-L74 |
9722-M74 |
|
450 |
2.5 |
500 - 2500 |
9722-L77 |
9722-M77 |
|
500 |
8 |
1600 - 8000 |
9722-L80 |
9722-M80 |
|
600 |
20 |
4000 - 20000 |
9722-L83 |
9722-M83 |
*Viscometers with special
constants, added temps, and before/after data are available by special
order at an additional cost. |
