Viscometer
Viscometers are laboratory instruments used to measure the viscosity and flow behaviour of liquids under controlled conditions. Available in types such as Ostwald, U-tube, Cannon-Fenske, Cannon-Manning, suspended level and Ubbelohde designs, they support accurate liquid analysis and quality testing. Australian laboratories, universities and research facilities use viscometers for reliable viscosity measurement in research, petroleum, chemical and analytical workflows.
B.S.S. Viscometers, Autoclavable BORO 3.3 Glass
- B.S.S. glass viscometers for laboratory and educational use
- Made from 3.3 borosilicate glass
- Autoclavable glass construction
- Suitable for viscosity and flow time experiments
- Useful for student, training and teaching laboratory activities
- Available B.S.S. No. 1, 2, 3 and 4
- Supplied as 1 piece per pack
- Suitable for school, university and teaching laboratory use
- Handle carefully as precision laboratory glassware
- Confirm method, liquid compatibility and cleaning procedure before use
- Stand, clamp, timer and bath are not included unless specified separately
- Use under appropriate laboratory or educational supervision
Ostwald Capillary Viscometer, College Pattern, BORO 3.3 Glass, 60–90 Second Flow Time
- College pattern Ostwald viscometer for laboratory education
- Made from 3.3 borosilicate glass
- Autoclavable glass construction
- Useful for student and training purposes
- Suitable for viscosity demonstration and teaching activities
- Pattern listed as Type A
- Emptying time listed as 60 to 90 seconds
- Supplied as 1 piece per pack
- Suitable for school, university and teaching laboratory use
- Handle carefully as laboratory glassware
- Confirm method, liquid compatibility and cleaning procedure before use
- Use under appropriate laboratory or educational supervision
Sacrometer, BORO 3.3 Glass, 100 mL, 32 mm OD
- Sacrometer made from BORO 3.3 borosilicate glass
- Capacity listed as 100 mL
- Supplied with base for stable bench placement
- Accurately graduated for routine laboratory use
- Outer diameter listed as 32 mm
- Wall thickness listed as 2 mm
- Tube length listed as 150 mm
- Suitable for laboratory and educational liquid measurement activities
- Clear glass body supports easy reading of liquid level
- Suitable for school, university and teaching laboratory use
- Handle carefully as laboratory glassware
- Use under appropriate laboratory or educational supervision
U-Tube Viscometer, BS/U Type, 0.9–10,000 cSt, Calibrated at 40°C BORO 3.3 Glass
- BS/U U-tube viscometers for kinematic viscosity measurement
- Supplied with constant certificate
- Listed as calibrated at 40°C
- Made from 3.3 borosilicate glass
- Autoclavable glass construction
- Suitable for transparent Newtonian liquids
- Listed for methods according to ASTM D445 and ISO 3104
- Specifications listed as conforming to ASTM D446 and ISO 3105
- Available in sizes A, B, C, D, E, F, G and H
- Viscosity ranges listed from 0.9 to 10,000 mm²/sec
- Minimum sample volume ranges from 7 mL to 23 mL depending on size
- Use under appropriate laboratory or educational supervision
U-Tube Viscometer, BS/U Type, BORO 3.3 Glass, 0.9–10,000 cSt
- U-tube BS/U viscometers for laboratory and educational use
- Supplied without constant certificate
- Made from 3.3 borosilicate glass
- Autoclavable glass construction
- Suitable for viscosity and flow time experiments
- Available in sizes A, B, C, D, E, F, G and H
- Listed viscosity ranges from 0.9 to 10,000 mm²/sec
- Supplied as 1 piece per pack
- Useful for student, training and teaching laboratory activities
- Handle carefully as precision laboratory glassware
- Confirm required size and viscosity range before ordering
- Use under appropriate laboratory or educational supervision
Viscometer Holding Clamp for Glass Viscometers
- Laboratory holder for compatible glass viscometers
- Designed to support viscometers during viscosity testing
- Helps keep the viscometer positioned during approved methods
- Suitable for use with compatible viscosity bath setups
- Adjustable screw mechanism visible on the holder
- Useful for student, training and laboratory applications
- Supports safer handling of delicate viscometer glassware
- Helps reduce movement during filling, timing and measurement
- Suitable for school, university and general laboratory use
- Confirm viscometer type and bath compatibility before ordering
- Holder only, viscometer is not included unless specified separately
- Use under appropriate laboratory or educational supervision
Viscometer, Cannon-Fenske Type, for Transparent Liquids, BS/IP/CF, BORO 3.3 Glass
- Cannon-Fenske type viscometers for transparent liquids
- BS/IP/CF pattern glass viscometers
- Supplied without constant certificate
- Made from 3.3 borosilicate glass
- Autoclavable glass construction
- Suitable for viscosity and flow time experiments
- Available in sizes 25, 50, 100, 150, 200, 300, 350, 400, 450, 500 and 600
- Listed viscosity ranges from 0.5 to 20,000 mm²/sec
- Supplied as 1 piece per pack
- Useful for laboratory, student and training applications
- Handle carefully as precision laboratory glassware
- Confirm size, viscosity range and method requirements before ordering
Viscometer, Cannon-Fenske U-Tube Type, BORO 3.3 Glass, Calibrated at 40°C
- Cannon-Fenske U-tube viscometers for transparent liquids
- Supplied with constant certificate
- Listed as calibrated at 40°C
- Made from 3.3 borosilicate glass
- Autoclavable glass construction
- Suitable for transparent Newtonian liquids
- Commonly used for petroleum products and lubricants
- Listed for measurement according to ASTM D445 and ISO 3104
- Specifications listed as conforming to ASTM D446 and ISO 3105
- Available in sizes 25, 50, 75, 100, 150, 200, 300, 350, 400, 450, 500 and 600
- Minimum sample volume listed as 7 mL
- Use under appropriate laboratory or educational supervision
Viscometer, Cannon-Fenske, for Opaque Liquids, BORO 3.3 Glass
- Cannon-Fenske type viscometers for opaque liquids
- Listed for ASTM D445 viscosity testing applications
- Supplied without constant certificate
- Made from 3.3 borosilicate glass
- Autoclavable glass construction
- Suitable for viscosity and flow time experiments
- Available in sizes 100, 150, 200, 300, 350, 400, 450, 500 and 600
- Listed viscosity ranges from 3 to 20,000 mm²/sec
- Supplied as 1 piece per pack
- Useful for laboratory, student and training applications
- Handle carefully as precision laboratory glassware
- Confirm size, viscosity range and method requirements before ordering
Viscometer, Cannon-Fenske, for Opaque Liquids, BORO 3.3 Glass, Calibrated at 40°C
- Cannon-Fenske C/F viscometers for opaque liquids
- Supplied with constant certificate
- Listed as calibrated at 40°C
- Made from 3.3 borosilicate glass
- Autoclavable glass construction
- Suitable for dark Newtonian liquids
- Listed for kinematic viscosity measurement according to ASTM D445, ISO 3104 and ASTM D2170
- Available in sizes 100, 150, 200, 300, 350, 400, 450, 500 and 600
- Listed viscosity ranges from 3 to 20,000 mm²/sec
- Minimum sample volume listed as 12 mL
- Supplied as 1 piece per pack
- Use under appropriate laboratory or educational supervision
Viscometer, Cannon-Manning Type, BORO 3.3 Glass
- Cannon-Manning viscometers for laboratory and educational use
- Supplied with certificate
- Made from 3.3 borosilicate glass
- Autoclavable glass construction
- Suitable for viscosity and flow time experiments
- Available in sizes 11, 12 and 13
- Supplied as 1 piece per pack
- Useful for laboratory, student and training applications
- Suitable for compatible liquid viscosity demonstrations
- Handle carefully as precision laboratory glassware
- Confirm certificate type and method requirements before ordering
- Use under appropriate laboratory or educational supervision
Viscometer, Suspended Level, BORO 3.3 Glass, Calibrated at 40°C
- Suspended level viscometers for kinematic viscosity measurement
- Supplied with constant certificate
- Listed as calibrated at 40°C
- Made from 3.3 borosilicate glass
- Autoclavable glass construction
- Suitable for transparent Newtonian liquids
- Listed for measurement according to ASTM D445 and ISO 3104
- Specifications listed as conforming to ASTM D446 and ISO 3105
- Available in sizes 1, 1A, 2, 2A, 3, 3A, 4, 4A and 5
- Viscosity ranges listed from 2 to 100,000 mm²/sec
- Minimum sample volume listed as 11 mL
- Use under appropriate laboratory or educational supervision
Viscometer, Suspended Level, BS/IP/SL, BORO 3.3 Glass
- Suspended level BS/IP/SL viscometers for laboratory use
- Supplied without constant certificate
- Made from 3.3 borosilicate glass
- Autoclavable glass construction
- Suitable for viscosity and flow time experiments
- Available in sizes 1, 1A, 2, 2A, 3, 3A, 4, 4A and 5
- Listed viscosity ranges from 2 to 100,000 mm²/sec
- Supplied as 1 piece per pack
- Useful for student, training and teaching laboratory activities
- Handle carefully as precision laboratory glassware
- Confirm size, viscosity range and method requirements before ordering
- Use under appropriate laboratory or educational supervision
Viscometer, U-Tube Reverse Flow, BORO 3.3 Glass, Calibrated at 40°C
- Reverse flow U-tube viscometers for opaque liquids
- Supplied with constant certificate
- Listed as calibrated at 40°C
- Made from 3.3 borosilicate glass
- Autoclavable glass construction
- Suitable for opaque Newtonian liquids
- Listed for kinematic viscosity measurement according to ASTM D445 and ISO 3104
- Specifications listed as conforming to ASTM D446 and ISO 3105
- Available in sizes 2, 3, 4, 5, 6, 7, 8, 9, 10 and 11
- Listed viscosity ranges from 2 to 300,000 mm²/sec
- Minimum sample volume listed as 7 mL
- Use under appropriate laboratory or educational supervision
Viscometer, U-Tube Reverse Flow, BS/IP/RF, BORO 3.3 Glass
- Reverse flow U-tube BS/IP/RF viscometers for laboratory use
- Supplied without constant certificate
- Made from 3.3 borosilicate glass
- Autoclavable glass construction
- Suitable for viscosity and flow time experiments
- Available in sizes 2, 3, 4, 5, 6, 7, 8, 9, 10 and 11
- Listed viscosity ranges from 2 to 300,000 mm²/sec
- Supplied as 1 piece per pack
- Useful for laboratory, student and training applications
- Handle carefully as precision laboratory glassware
- Confirm size, viscosity range and method requirements before ordering
- Use under appropriate laboratory or educational supervision
Viscometer, Ubbelohde Type 501-20 II, 10–100 mm²/s, Calibrated BORO 3.3 Glass
- Ubbelohde type capillary viscometer for manual viscosity measurement
- Model listed as SI Analytics Ubbelohde 501-20 II
- Measured range listed as 10 to 100 mm²/s
- Maximum measured value listed as 100 mm²/s
- Minimum measured value listed as 10 mm²/s
- Viscometer constant listed as 0.1
- Capillary number listed as II
- Internal diameter listed as 1.13 mm
- Capacity listed as 15 to 20 mL
- Overall length listed as 290 mm
- Standards listed as ISO 3105 and DIN 51562
- Supplied as the selected calibrated viscometer only
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Viscometers are laboratory instruments used to measure the flow behaviour and kinematic viscosity of compatible liquids. The range includes Ostwald, U-Tube, Cannon-Fenske, Cannon-Manning, suspended-level, reverse-flow and Ubbelohde designs, along with selected calibrated and non-calibrated models for different test methods.
Glass capillary viscometers work by measuring the time taken for a defined volume of liquid to flow through a narrow capillary under controlled conditions. Different designs suit transparent or opaque liquids, different viscosity ranges and specific measurement procedures. Correct viscometer size, capillary range, calibration status and test temperature should be confirmed before use.
Many models in the range are manufactured from BORO 3.3 glass, while selected products are supplied calibrated at 40°C or with individual calibration information. Temperature control is especially important because viscosity can change significantly with temperature, so the viscometer should be used with a suitable constant-temperature bath where required by the method.
ISO 3105 covers specifications and operating instructions for modified Ostwald, suspended-level and reverse-flow glass capillary viscometers. ISO 3104 describes determination of kinematic viscosity using calibrated glass capillary viscometers. ASTM D446 covers glass capillary viscometer specifications and operation, while ASTM D445 provides a recognised method for determining the kinematic viscosity of transparent and opaque liquids. These standards should only be stated as confirmed product compliance where supported by manufacturer documentation.
For LabChoice Australia customers, the Viscometer range provides practical options for research laboratories, quality control, petroleum testing, education and industrial laboratories carrying out compatible viscosity measurements.