Manual Glass Viscometers
Use of high quality instruments ensures test reliability and accuracy, and all CANNON glass capillary viscometers are traceable to a NIST calibration and manufactured in our ISO 9001-registered, A2LA-accredited laboratory. CANNON Instrument Company has been making glass capillary viscometers since 1938 and because no single viscometer is ideally suited to every application, we offer a wide variety of glass capillary viscometers. Our experienced staff is happy to assist you with viscometer selection. Viscometer options include:
Transparent |
For transparent/translucent liquids |
Suspended Level |
For transparent/translucent liquids. Ideal for testing at multiple temperatures because they have the same viscometer constant at all temperatures. |
Dilution |
For dilution of polymer solutions to provide an estimate of the molecular size and shape. |
Reverse Flow |
For transparent and opaque liquids. Must be cleaned, dried and refilled between repeat determinations. |
Vacuum |
A special type of reverse-flow viscometer for highly viscous samples (transparent or opaque). Accurately controlled vacuum is required to pull the liquid through the viscometer. |
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Subcategories
ASTM D2171
The Asphalt Institute Vacuum Viscometer measures the viscosity of highly viscous materials according to ASTM D2171. Minimum sample volume is 3 mL. Minimum bath depth is 180 mm (7.1 in). Viscometers are provided with a certificate of calibration and instruction sheet. Permanently attached round metal holders are included or may be ordered separately.
Asphalt Institute Vacuum Viscometers
Catalog Number Size Approximate Constant
(poise/sec at 300 mm Hg)Viscosity Range
(poise)without holder with holder* Bulb B Bulb C Bulb D Low High 9724-R50 9724-T50 25 2.0 1.0 0.7 42 800 9724-R55 9724-T55 50 8.0 4.0 3.0 180 3200 9724-R60 9724-T60 100 32 16 10 600 12800 9724-R65 9724-T65 200 128 64 40 2400 52000 9724-R70 9724-T70 400R 500 250 160 9600 1400000 9724-R75 9724-T75 800R 2000 1000 640 38000 5800000 *Round holder is compatible with a 51 mm (2 in) diameter port
ASTM D445, ISO 3104
The BS/IP/MSL Miniature Suspended Level Viscometer measures kinematic viscosity of transparent Newtonian liquids according to ASTM D445 and ISO 3104. Minimum sample volume is 4 mL. Minimum bath depth is 305 mm (12 in). Viscometers are provided with a certificate of calibration and instruction sheet. Holders are sold separately.
BS/IP/MSL Miniature Suspended Level Viscometers
Catalog Number Size Approximate Constant
(mm²/s²)Viscosity Range (mm²/s)* Low High 9724-G10 1 0.003 0.6 3.0 9724-G13 2 0.01 2.0 10 9724-G16 3 0.03 6.0 30 9724-G19 4 0.1 20 100 9724-G22 5 0.3 60 300 9724-G25 6 1.0 200 1000 9724-G28 7 3.0 600 3000 *Viscosity ranges in mm²/s represent flow times of 200 to 1000 seconds
ASTM D445, ISO 3104
The BS/IP/RF U-Tube Reverse Flow Viscometer measures kinematic viscosity of opaque Newtonian liquids according to ASTM D445 and ISO 3104. Minimum sample volume is 7 mL. Minimum bath depth is 280 mm (11 in). Viscometers are calibrated at 40°C (the viscometer constant is the same at all temperatures) and are provided with a certificate of calibration and instruction sheet. Holders are sold separately. For holder, see 9726-N45.
BS/IP/RF U-Tube Reverse Flow Viscometers
Catalog Number Size Approximate Constant
mm²/s²Viscosity Range mm²/s* Low High 9724-G50 1 0.003 0.6 3.0 9724-G53 2 0.01 2.0 10 9724-G56 3 0.03 6.0 30 9724-G59 4 0.1 20 100 9724-G62 5 0.3 60 300 9724-G65 6 1.0 200 1000 9724-G68 7 3.0 600 3000 9724-G71 8 10 2000 10000 9724-G74 9 30 6000 30000 9724-G77 10 100 20000 100000 9724-G80 11 300 60000 300000 *Viscosity ranges in mm²/s (cSt) represent flow times of 200 to 1000 seconds
ASTM D445, ISO 3104
The BS/IP/SL Suspended Level Viscometer measures kinematic viscosity of transparent Newtonian liquids according to ASTM D445 and ISO 3104. Minimum sample volume is 11 mL. Minimum bath depth is 250 mm (10 in). Viscometers are provided with a certificate of calibration and instruction sheet. Holders are sold separately.
BS/IP/SL Suspended Level Viscometers
Catalog Number Size Approximate Constant
(mm²/s²)Viscosity Range (mm²/s)* Low High 9724-F10 1 0.01 3.5 10 9724-F13 1A 0.03 6 30 9724-F16 2 0.1 20 100 9724-F19 2A 0.3 60 300 9724-F22 3 1.0 200 1000 9724-F25 3A 3.0 600 3000 9724-F28 4 10 2000 10000 9724-F31 4A 30 6000 30000 9724-F34 5 100 20000 100000 *Viscosity ranges in centistokes represent flow times of 350-1000 seconds for size 1 and 200-1000 seconds for all other sizes.
ASTM D445, ISO 3104
The BS/IP/SL(S) Suspended Level Short Viscometer measures kinematic viscosity of transparent Newtonian liquids according to ASTM D445 and ISO 3104. Minimum sample volume is 10 mL. Minimum bath depth is 230 mm (9 in). Viscometers are provided with a certificate of calibration and instruction sheet. Holders are sold separately.
BS/IP/SL(S) Short Suspended Level Viscometers
Catalog Number Size Approximate Constant
(mm²/s²)Viscosity Range (mm²/s) Low High 9724-F50 1 0.0008 1.05* 1.05 9724-F53 2 0.003 2.1† 3.0 9724-F56 3 0.01 3.8‡ 10 9724-F59 4 0.03 6§ 30 9724-F62 5 0.1 20§ 100 9724-F65 6 0.3 60§ 300 9724-F68 7 1.0 200§ 1000 9724-F71 8 3.0 600§ 3000 9724-F74 9 10.0 2000§ 10000 *1 320 seconds minimum flow time.
†600 seconds minimum flow time to 1000 seconds.
‡380 seconds minimum flow time to 1000 seconds.
§Ranges in centistokes represent flow times of 200-1000 seconds.
ASTM D445, ISO 3104
The BS/U/M Miniature U-Tube Viscometer measures kinematic viscosity of transparent Newtonian liquids according to ASTM D445 and ISO 3104. Minimum sample volume is 2 mL. Minimum bath depth is 230 mm (9 in). Viscometers are provided with a certificate of calibration and instruction sheet. Holders are not available.
BS/U/M Miniature U-Tube Viscometers
Catalog Number Size Approximate Constant
(mm²/s²)Viscosity Range (mm²/s)∗ Low High 9724-E80 M1 0.001 0.2 1 9724-E83 M2 0.005 1 5 9724-E86 M3 0.015 3 15 9724-E89 M4 0.04 8 40 9724-E92 M5 0.1 20 100 ∗Viscosity ranges in mm²/s represent flow times of 200 to 1000 seconds
ASTM D445, ISO 3104
The BS/U-Tube Viscometer measures kinematic viscosity of transparent Newtonian liquids according to ASTM D445 and ISO 3104. Minimum sample volume is 7 mL (sizes A-C), 12 mL (sizes D-F), and 23 mL (sizes G-H). Minimum bath depth is 280 mm (11 in). Viscometers are provided with a certificate of calibration and instruction sheet. Holders are not available.
BS/U-Tube Viscometers
Catalog Number Size Approximate Constant
(mm²/s²)Viscosity Range (mm²/s)* Low High 9724-E50 A 0.003 0.9 3 9724-E53 B 0.01 2.0 10 9724-E56 C 0.03 6 30 9724-E59 D 0.1 20 100 9724-E62 E 0.3 60 300 9724-E65 F 1.0 200 1000 9724-E68 G 3.0 600 3000 9724-E71 H 10.0 2000 10000 *Ranges in centistokes represent flow times of 300 to 1000 seconds for size A and 200 to 1000 seconds for all other sizes.
ASTM D445, ASTM D2170, ISO 3104
The Cannon-Fenske Opaque Viscometer is a reverse-flow type, for measurement of kinematic viscosity of dark Newtonian liquids according to ASTM D445 and ISO 3104. It permits measurement of liquids whose meniscus cannot be seen at the timing marks when using a Cannon-Fenske Routine-type viscometer. Used to measure kinematic viscosity of liquid (cutback) asphalts and road oils at 60°C (140°F) in range of 30 to 6000 centistokes according to ASTM D2170. Also used to study lubricating oils at low temperatures when investigating the effect of various additives on lubricating and hydraulic oils. External pressure can be applied to vary shear stress and shear rate. Specifications conform to ASTM D446 and ISO 3105. Minimum sample volume is 12 mL. Minimum bath depth is 229 mm (9 in). Special constant viscometers are available at additional cost. Both calibrated and uncalibrated viscometers are available. Calibrated viscometers include a certificate of calibration and instruction sheet. Holders are sold separately.
CANNON-Fenske Opaque Viscometers
Catalog Number Size Approximate Constant
(mm²/s²)Viscosity Range (mm²/s)† Uncalibrated Calibrated Low High 9721-E50 9721-F50 25 0.002 0.4 2.0 9721-E53 9721-F53 50 0.004 0.8 4.0 9721-E56 9721-F56 75 0.008 1.6 8.0 9721-E59 9721-F59 100 0.015 3.0 15 9721-E62 9721-F62 150 0.035 7.0 35 9721-E65 9721-F65 200 0.1 20 100 9721-E68 9721-F68 300 0.25 50 250 9721-E71 9721-F71 350 0.5 100 500 9721-E74 9721-F74 400 1.2 240 1200 9721-E77 9721-F77 450 2.5 500 2500 9721-E80 9721-F80 500 8.0 1600 8000 9721-E83 9721-F83 600 20 4000 20000 9721-E86 9721-F86 650 45 9000 45000 9721-E89 9721-F89 700 100 20000 100000 †Viscosity ranges in mm²/s represent flow times of 250 to 1000 seconds for size 25 and 200 to 1000 seconds for all other sizes
ASTM D445, ASTM D2170, ISO 3104
The Cannon-Fenske Routine Viscometer measures kinematic viscosity of transparent Newtonian liquids, particularly petroleum products or lubricants, according to ASTM D445 and ISO 3104. Specifications conform to ASTM D446 and ISO 3105. Minimum sample volume is 7 mL. Minimum bath depth is 230 mm (8 in). Special constant viscometers are available at additional cost. Available as a calibrated viscometer (which includes a certificate of calibration and instruction sheet) or an uncalibrated viscometer. Holders are sold separately.
CANNON-Fenske RoutineViscometers
Catalog Number Size Approximate Constant
(mm²/s²)Viscosity Range (mm²/s)† Uncalibrated Calibrated Low High 9721-A50 9721-B50 25 0.002 0.5 2.0 9721-A53 9721-B53 50 0.004 0.8 4.0 9721-A56 9721-B56 75 0.008 1.6 8.0 9721-A59 9721-B59 100 0.015 3.0 15 9721-A62 9721-B62 150 0.035 7.0 35 9721-A65 9721-B65 200 0.1 20 100 9721-A68 9721-B68 300 0.25 50 250 9721-A71 9721-B71 350 0.5 100 500 9721-A74 9721-B74 400 1.2 240 1200 9721-A77 9721-B77 450 2.5 500 2500 9721-A80 9721-B80 500 8.0 1600 8000 9721-A83 9721-B83 600 20 4000 20000 9721-A86 9721-B86 650 45 9000 45000 9721-A89 9721-B89 700 100 20000 100000 † Viscosity ranges in mm²/s represent flow times of 250 to 1000 seconds for size 25 and 200 to 1000 seconds for all other sizes
ASTM D445, ISO 3104
The Cannon-Manning Semi-Micro Extra Low Charge Viscometer measures kinematic viscosity of very small samples of transparent Newtonian liquids according to ASTM D445 and ISO 3104. Minimum sample volume is ~0.5 mL (sizes 200 through 600 may require additional sample). Minimum bath depth is 200 mm (8 in). Both calibrated and uncalibrated viscometers are available. Calibrated viscometers include a certificate of calibration and instruction sheet. Holders are not available.
CANNON-Manning Semi-Micro Extra Low Viscometers
Catalog Number Size Approximate Constant
(mm²/s²)Viscosity Range (mm²/s)* Uncalibrated Calibrated Low High 9722-C50 9722-D50 25 0.002 0.4 2.0 9722-C53 9722-D53 50 0.004 0.8 4.0 9722-C56 9722-D56 75 0.008 1.6 8.0 9722-C59 9722-D59 100 0.015 3.0 15 9722-C62 9722-D62 150 0.035 7.0 35 9722-C65 9722-D65 200 0.1 20 100 9722-C68 9722-D68 300 0.25 50 250 9722-C71 9722-D71 350 0.5 100 500 9722-C74 9722-D74 400 1.2 240 1200 9722-C77 9722-D77 450 2.5 500 2500 9722-C80 9722-D80 500 8.0 1600 8000 9722-C83 9722-D83 600 20 4000 20000 *Viscosity ranges in mm²/s represent flow times of 250-1000 seconds for size 25 and 200-1000 for all other sizes.
ASTM D445, ISO 3104
The Cannon-Manning Semi-Micro Viscometer measures kinematic viscosity of small samples of transparent Newtonian liquids according to ASTM D445 and ISO 3104. Minimum sample volume is ~1 mL (sizes 400 through 600 may require additional sample). Minimum bath depth is 200 mm (8 in). Both calibrated and uncalibrated viscometers are available. Calibrated viscometers include a certificate of calibration and instruction sheet. Holders are sold separately.
CANNON-Manning Semi-Micro Viscometers
Catalog Number Size Approximate Constant
(mm²/s²)Viscosity Range (mm²/s)† Uncalibrated Calibrated Low High 9721-X50 9721-Y50 25 0.002 0.4 2.0 9721-X53 9721-Y53 50 0.004 0.8 4.0 9721-X56 9721-Y56 75 0.008 1.6 8.0 9721-X59 9721-Y59 100 0.015 3.0 15 9721-X62 9721-Y62 150 0.035 7.0 35 9721-X65 9721-Y65 200 0.1 20 100 9721-X68 9721-Y68 300 0.25 50 250 9721-X71 9721-Y71 350 0.5 100 500 9721-X74 9721-Y74 400 1.2 240 1200 9721-X77 9721-Y77 450 2.5 500 2500 9721-X80 9721-Y80 500 8.0 1600 8000 9721-X83 9721-Y83 600 20 4000 20000 † Viscosity ranges in mm²/s represent flow times of 250 to 1000 seconds for size 25 and 200 to 1000 seconds for all other sizes
ASTM D2171
The Cannon-Manning Vacuum Viscometer measures the viscosity of highly viscous materials according to ASTM D2171. Minimum sample volume is 6 mL. Minimum bath depth is 180 mm (7.1 in). Viscometers are provided with a certificate of calibration and instruction sheet. Permanently attached round metal holders are included or may be ordered separately.
Cannon-Manning Vacuum Viscometers
Catalog Number Size Approximate Constant
(poise/sec at 300 mm Hg)Viscosity Range
(poise)without holder with holder* Bulb B Bulb C Low High 9724-H50 9724-L50 4 0.002 0.0006 0.036 0.8 9724-H53 9724-L53 5 0.006 0.002 0.12 2.4 9724-H56 9724-L56 6 0.02 0.006 0.36 8.0 9724-H59 9724-L59 7 0.06 0.02 1.2 24 9724-H62 9724-L62 8 0.2 0.06 3.6 80 9724-H65 9724-L65 9 0.6 0.2 12 240 9724-H68 9724-L68 10 2.0 0.6 36 800 9724-H71 9724-L71 11 6.0 2.0 120 2400 9724-H74 9724-L74 12 20 6.0 360 8000 9724-H77 9724-L77 13 60 20 1200 24000 9724-H80 9724-L80 14 200 60 3600 80000 *Round holder is compatible with a 51 mm (2 in) diameter port.
ASTM D445, ISO 3104
The Cannon-Ubbelohde Dilution Viscometer measures intrinsic viscosity of transparent Newtonian liquids according to ASTM D445 and ISO 3104. Minimum sample volume is 8 mL (can be diluted to 40 mL). Minimum bath depth is 305 mm (12 in). The CANNON CT-518 bath is recommended. (CT-500 and CT-600 baths are not deep enough.) Viscometer constant is the same at all temperatures. Both calibrated and uncalibrated viscometers are available. Calibrated viscometers include a certificate of calibration and instruction sheet. Holders are sold separately.
CANNON-Ubbelohde Dilution Viscometers
Catalog Number Size Approximate Constant
(mm²/s²)Viscosity Range (mm²/s)* Uncalibrated Calibrated Low High 9722-L50 9722-M50 25 0.002 0.5 2 9722-L53 9722-M53 50 0.004 0.8 4 9722-L56 9722-M56 75 0.008 1.6 8 9722-L59 9722-M59 100 0.015 3 15 9722-L62 9722-M62 150 0.035 7 35 9722-L65 9722-M65 200 0.1 20 100 9722-L68 9722-M68 300 0.25 50 250 9722-L71 9722-M71 350 0.5 100 500 9722-L74 9722-M74 400 1.2 240 1200 9722-L77 9722-M77 450 2.5 500 2500 9722-L80 9722-M80 500 8 1600 8000 9722-L83 9722-M83 600 20 4000 20000 *Viscosity ranges in mm²/s (cSt) represent flow times of 250–1000 seconds for size 25 and 200–1000 seconds for all other sizes
The Cannon Four-Bulb Shear Dilution Viscometer measures intrinsic viscosities extrapolated to zero shear rate with negligible kinetic energy correction. Minimum sample volume is 20 mL. Minimum bath depth is 280 mm (11 in) for 5-fold dilution viscometers and 430 mm (17 in) for 10-fold dilution type. Both calibrated and uncalibrated viscometers are available. Calibrated viscometers include a certificate of calibration and instruction sheet. Holders are sold separately.
10X CANNON-Ubbelohde 4-Bulb Shear Viscometers
Catalog Number Size Approximate Constant
(mm²/s²)Viscosity Range (mm²/s)* Shear Rate at Wall, reciprocal seconds Uncalibrated Calibrated Low High Low High 9723-N50 9723-R50 25 0.002 0.4 2.0 82 3300 9723-N53 9723-R53 50 0.004 0.8 4.0 45 1800 9723-N56 9723-R56 75 0.008 1.6 8.0 24 960 9723-N59 9723-R59 100 0.015 3.0 15 15 600 9723-N62 9723-R62 150 0.035 7.0 35 8 320 5X CANNON-Ubbelohde 4-Bulb Shear Viscometers
Catalog Number Size Approximate Constant
(mm²/s²)Viscosity Range (mm²/s)* Shear Rate at Wall, reciprocal seconds Uncalibrated Calibrated Low High Low High 9723-L50 9723-M50 25 0.002 0.4 2.0 82 1650 9723-L53 9723-M53 50 0.004 0.8 4.0 45 900 9723-L56 9723-M56 75 0.008 1.6 8.0 24 480 9723-L59 9723-M59 100 0.015 3.0 15 15 300 9723-L62 9723-M62 150 0.035 7.0 35 8 160 *Viscosity ranges in mm²/s represent flow times of 200 to 1000 seconds.
ASTM D445, ISO 3104
The Cannon-Ubbelohde Viscometer, with a more rugged design than standard Ubbelohde viscometers, is a suspended level viscometer for measurement of kinematic viscosity of transparent Newtonian liquids according to ASTM D 445 and ISO 3104. Also used for evaluating jet and hydraulic lubricants. Especially suited for use at temperatures above 93 °C (200 °F) or below –18 °C (0 °F). Require no kinetic energy corrections over 0.5 to 100 000 centistokes range.. Minimum sample volume is 11 mL. Minimum bath depth is 254 mm (10 in) but it must be submerged to 220 mm (8.5 in). Both calibrated and uncalibrated viscometers are available. Calibrated viscometers include a certificate of calibration and instruction sheet. Holders are sold separately.
CANNON-Ubbelohde Viscometers
Catalog Number Size Approximate Constant
(mm²/s²)Viscosity Range (mm²/s)† Uncalibrated Calibrated Low High 9721-J50 9721-K50 25 0.002 0.5 2.0 9721-J53 9721-K53 50 0.004 0.8 4.0 9721-J56 9721-K56 75 0.008 1.6 8.0 9721-J59 9721-K59 100 0.015 3.0 15 9721-J62 9721-K62 150 0.035 7.0 35 9721-J65 9721-K65 200 0.1 20 100 9721-J68 9721-K68 300 0.25 50 250 9721-J71 9721-K71 350 0.5 100 500 9721-J74 9721-K74 400 1.2 240 1200 9721-J77 9721-K77 450 2.5 500 2500 9721-J80 9721-K80 500 8.0 1600 8000 9721-J83 9721-K83 600 20 4000 20000 9721-J86 9721-K86 650 45 9000 45000 9721-J89 9721-K89 700 100 20000 100000 †Viscosity ranges in mm²/s represent flow times of 200 to 1000 seconds
ASTM D445, ISO 3104
The Cannon-Ubbelohde Semi-Micro Viscometer measures kinematic viscosity of small samples of transparent Newtonian liquids according to ASTM D445 and ISO 3104. Minimum sample volume is ~1 mL (sizes 400 through 600 may require additional sample). Initial sample can be diluted as much as 20 mL for intrinsic viscosity determinations. Minimum bath depth is 240 mm (9.5 in). Both calibrated and uncalibrated viscometers are available. Calibrated viscometers include a certificate of calibration and instruction sheet. Holders are sold separately.
CANNON-Ubbelohde Semi-Micro Viscometers
Catalog Number Size Approximate Constant
(mm²/s²)Viscosity Range (mm²/s)* Uncalibrated Calibrated Low High 9722-G50 9722-H50 25 0.002 0.4 2 9722-G53 9722-H53 50 0.004 0.8 4 9722-G56 9722-H56 75 0.008 1.6 8 9722-G59 9722-H59 100 0.015 3 15 9722-G62 9722-H62 150 0.035 7 35 9722-G65 9722-H65 200 0.1 20 100 9722-G68 9722-H68 300 0.25 50 250 9722-G71 9722-H71 350 0.5 100 500 9722-G74 9722-H74 400 1.2 240 1200 9722-G77 9722-H77 450 2.5 500 2500 9722-G80 9722-H80 500 8 1600 8000 9722-G83 9722-H83 600 20 4000 20000 *Viscosity ranges in mm²/s represent flow times of 250 to 1000 seconds for size 25 and 200 to 1000 seconds for all other sizes.
ASTM D2171
The Modified Koppers Vacuum Viscometer measures the viscosity of highly viscous materials according to ASTM D2171. Minimum sample volume is 2 mL. Minimum bath depth is 178 mm (7 in). Viscometers are provided with a certificate of calibration and instruction sheet. Holders are sold separately.
Koppers Modified Vacuum Viscometers
Catalog Number Size Approximate Constant (poise/sec at 300 mm Hg) Viscosity Range (poise) Bulb B Bulb C Bulb D Low High 9724-W50 25 2.0 1.0 0.7 42 800 9724-W55 50 8.0 4.0 3.0 180 3200 9724-W60 100 32 16 10 600 12800 9724-W65 200 128 64 40 2400 52000 9724-W70 400 500 250 160 9600 200000 
ASTM D445, ISO 3104
The Ubbelohde Viscometer measures kinematic viscosity of transparent Newtonian liquids according to ASTM D445 and ISO 3104. Minimum sample volume is 11 mL. Minimum bath depth is 241 mm (9.5 in). Unity factor series has a constant within +/- 0.2% of the values listed. Both calibrated and uncalibrated viscometers are available. Calibrated viscometers include a certificate of calibration and instruction sheet. Holders are sold separately.
Ubbelohde Viscometers
Catalog Number Size Approximate Constant
(mm²/s²)Viscosity Range (mm²/s)* Uncalibrated Calibrated Calibrated,
Unity FactorLow High 9721-N50 9721-R50 9721-U50 0 0.001 0.3 1.0 9721-N53 9721-R53 9721-U53 0C 0.003 0.6 3.0 9721-N56 9721-R56 9721-U56 0B 0.005 1.0 5.0 9721-N59 9721-R59 9721-U59 1 0.01 2.0 10 9721-N62 9721-R62 9721-U62 1C 0.03 6.0 30 9721-N65 9721-R65 9721-U65 1B 0.05 10 50 9721-N68 9721-R68 9721-U68 2 0.1 20 100 9721-N71 9721-R71 9721-U71 2C 0.3 60 300 9721-N74 9721-R74 9721-U74 2B 0.5 100 500 9721-N77 9721-R77 9721-U77 3 1.0 200 1000 9721-N80 9721-R80 9721-U80 3C 3.0 600 3000 9721-N83 9721-R83 9721-U83 3B 5.0 1000 5000 9721-N86 9721-R86 9721-U86 4 10 2000 10000 9721-N89 9721-R89 9721-U89 4C 30 6000 30000 9721-N92 9721-R92 9721-U92 4B 50 10000 50000 9721-N95 9721-R95 9721-U95 5 100 20000 100000 *Viscosity ranges in mm²/s represent flow times of 300 to 1000 seconds for size 0 and 200 to 1000 seconds for all other sizes
ASTM D445, ASTM 2170, ISO 3104
The Zeitfuchs® Cross-Arm Viscometer measures kinematic viscosity of transparent and opaque Newtonian liquids according to ASTM D445 and ISO 3104. Filling and cleaning does not require removal from the constant temperature bath. Minimum sample volume is 1 mL to 3 mL. Minimum bath depth is 230 mm (9 in). Unity factor series has a constant within ± 0.2% of the values listed. Viscometers are provided with a certificate of calibration and instruction sheet. Permanently attached round or rectangular metal holders are included or may be ordered separately.
Also used to measure kinematic viscosity of kiquid (cutback) asphalts and road oils according to ASTM D2170.
Zeitfuchs Cross-Arm Viscometers
Catalog Number Size Approximate Constant
(mm²/s²)Viscosity Range (mm²/s)† without holders with round metal holders* with rectangular metal holders** Low High Standard Unity Factor Standard Unity Factor Standard Unity Factor 9723-S50 9723-U50 9723-W50 9723-Y50 9724-B50 9724-D50 1 0.003 0.6 2.0 9723-S53 9723-U53 9723-W53 9723-Y53 9724-B53 9724-D53 2 0.01 2.0 10 9723-S56 9723-U56 9723-W56 9723-Y56 9724-B56 9724-D56 3 0.03 6.0 30 9723-S59 9723-U59 9723-W59 9723-Y59 9724-B59 9724-D59 4 0.1 20 100 9723-S62 9723-U62 9723-W62 9723-Y62 9724-B62 9724-D62 5 0.3 60 300 9723-S65 9723-U65 9723-W65 9723-Y65 9724-B65 9724-D65 6 1.0 200 1000 9723-S68 9723-U68 9723-W68 9723-Y68 9724-B68 9724-D68 7 3.0 600 3000 9723-S71 9723-U71 9723-W71 9723-Y71 9724-B71 9724-D71 8 10 2000 10000 9723-S74 9723-U74 9723-W74 9723-Y74 9724-B74 9724-D74 9 30 6000 30000 9723-S77 9723-U77 9723-W77 9723-Y77 9724-B77 9724-D77 10 100 20000 100000 *Round holder is compatible with a 51 mm (2 in) diameter port.
**Rectangular holder is compatible with a bath opening of 25 mm × 48 mm (1 in × 1.9 in).
†Viscosity ranges in mm²/s represent flow times of 200 to 1000 seconds.
ASTM D445, ISO 3104
The Zeitfuchs® Transparent Viscometer measures kinematic viscosity of transparent Newtonian liquids according to ASTM D445 and ISO 3104. Filling, measurement and cleaning do not require removal from the constant temperature bath. Minimum sample volume is 15 mL. Minimum bath depth is 292 mm (11.5 in). Both calibrated and uncalibrated viscometers are available and provided with permanently attached round or rectangular metal holders. Calibrated viscometers also include a certificate of calibration and instruction sheet.
Zeitfuchs Transparent Viscometers
Catalog Number Size ApproximateConstant (cSt/s)Viscosity Range
(cSt/s)with roundmetal holders*with rectangularmetal holders**uncalibrated calibrated uncalibrated calibrated low high 9723-A50 9723-B50 9723-C50 9723-D50 1 0.003 0.6 3.0 9723-A55 9723-B55 9723-C55 9723-D55 2 0.01 2.0 10 9723-A60 9723-B60 9723-C60 9723-D60 3 0.03 6.0 30 9723-A65 9723-B65 9723-C65 9723-D65 4 0.1 20 100 9723-A70 9723-B70 9723-C70 9723-D70 5 0.3 60 300 9723-A75 9723-B75 9723-C75 9723-D75 6 1.0 200 1000 9723-A80 9723-B80 9723-C80 9723-D80 7 3.0 600 3000 † Viscosity ranges in mm²/s represent flow times of 200 to 1000 seconds*round holder is compatible with a 51 mm (2 in) diameter port**rectangular holder is compatible with a bath opening of 25 mm x 48 mm (1 in x 1.9 in)
