



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
- Description
Description
The Viscometer, Ubbelohde Type 501-20 II, 10–100 mm²/s, Calibrated, also known as an Ubbelohde capillary viscometer, is designed for manual viscosity measurement of compatible laboratory liquids. This SI Analytics Ubbelohde viscometer is listed as Type 501-20 II and is suitable for measuring kinematic viscosity across the listed range of 10 to 100 mm²/s. The viscometer has a listed constant of 0.1, capillary number II, internal diameter of 1.13 mm and overall length of 290 mm. The listed sample capacity is 15 to 20 mL, supporting controlled manual viscosity measurement when used with the correct bath, timing method and approved laboratory procedure.
This model is listed as calibrated and is supplied for applications requiring accurate manual viscosity testing of low to medium viscosity liquids. The listed standards are ISO 3105 and DIN 51562, supporting laboratory workflows where Ubbelohde type capillary viscometers are required according to the applicable method. This viscometer is suitable for research laboratories, industrial laboratories, quality control laboratories, university teaching laboratories and fluid analysis applications. Users should confirm the required viscosity range, capillary number, constant, calibration requirement, test temperature, sample compatibility and method requirements before ordering or use. Glass viscometers should be handled carefully. Avoid mechanical shock, sudden temperature changes, excessive force, abrasive cleaning tools and unsupported handling during filling, testing or cleaning.
This product is intended for laboratory or educational settings only and should be used under appropriate laboratory or teacher supervision. This item is supplied as the selected Ubbelohde Type 501-20 II calibrated viscometer only. Viscosity bath, timer, thermometer, stand, holder, pipette filler, liquids, cleaning accessories and additional testing equipment are not included unless specified separately.
LabChoice Australia supplies Ubbelohde Viscometers for laboratories, research facilities, quality control teams and university teaching laboratories requiring reliable capillary glassware for manual viscosity measurement.
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Emma Roberts
10 months ago
We ordered a set of customised BORO 3.3 borosilicate glassware for our teaching labs, and LabChoice Australia exceeded every expectation. From the first consultation to final delivery, their team listened carefully, offered expert advice, and ensured every piece matched our specifications perfectly.
The clarity and precision of the glassware are exceptional, and the quick turnaround made setup effortless. It’s refreshing to work with an Australian supplier who genuinely understands laboratory needs and takes pride in quality craftsmanship. We’ll definitely be returning to LabChoice for future glassware requirements
Michael Grant
11 months ago
Our lab required high-precision BORO 3.3 glassware for analytical testing, and LabChoice Australia delivered outstanding results. The ordering process was simple, communication was clear, and every beaker and flask arrived perfectly calibrated and ready for use.
The quality of the glass is exceptional — resistant to heat, easy to clean, and consistently accurate in measurement. It’s reassuring to know there’s an Australian supplier that combines scientific precision with genuine customer care. I’d recommend LabChoice to any research team looking for dependable labware
Sarah Nguyen
1 year ago
We needed a set of customised borosilicate glassware for a specialised project, and LabChoice Australia delivered exactly what we envisioned. The team worked closely with us from design to production, ensuring every detail met our specifications. The craftsmanship is exceptional, and the turnaround time was impressive. It’s reassuring to know we can rely on them for unique, made-to-order pieces
Dr. Emily Hart – Senior Research Scientist
1 year ago
LabChoice Australia has completely changed the way we source our lab glassware. The quality is consistently top-notch, and every piece meets the precision we need for reliable results. Their team knows their stuff, answers our questions quickly, and always goes the extra mile to help — they’re more like partners than just a supplier.
Mark Stevens
1 year ago
We trust LabChoice Australia because they deliver every time. Their borosilicate glassware is durable, accurate, and perfect for the high-heat work we do. Everything arrives well-packed with clear specs, so there are never surprises. It’s reassuring to deal with a supplier who understands both compliance and the demands of a busy lab
































