Viscometer
A viscometer is a crucial instrument used to measure the viscosity of fluids, providing essential data for quality control, research, and development across various industries. Its ability to evaluate a liquid’s resistance to flow helps in understanding material properties, ensuring consistent product performance, and optimizing manufacturing processes.
Viscometers are widely applied in sectors such as pharmaceuticals, automotive, food production, and cosmetics, where precise viscosity measurements determine product stability and performance. Choosing the right viscometer depends on the fluid type, temperature conditions, and required measurement accuracy, making it a versatile tool in any analytical laboratory.

What You Should Know Before Selecting a Viscometer and Making an Investment
Key Factors to Consider
When selecting a viscometer, critical factors include the type of fluid tested, measurement range, temperature control capabilities, and ease of calibration. These elements affect the accuracy and reliability of viscosity readings, which are crucial for consistent laboratory results.
Also essential is assessing the viscometer’s compatibility with different fluid viscosities and its adaptability to various testing environments. User interface and data output options can greatly enhance workflow efficiency and integration into existing lab systems.

Price Range in the Market
Viscometer prices vary widely based on technology, measurement precision, and brand reputation. Basic models are more affordable but may lack advanced features needed for complex applications, while high-end instruments offer multifunctional capabilities at a higher cost.
Additional costs include accessories, maintenance, and software updates that ensure longevity and performance of the device. Investing in a quality viscometer with comprehensive support can save costs in the long term through improved durability and accuracy.

Quality-Price Ratio
The quality-price balance is fundamental when choosing a viscometer. While cheaper models can fit limited budgets, they may compromise on precision and durability. A well-priced instrument from a reputable brand offers reliable outcomes and reduces frequent replacement or repair expenses.
Kalstein’s viscometers are known for their robust build and precise engineering, making them a smart investment that balances performance with cost-effectiveness. Our commitment to innovation ensures customers receive products that deliver excellent value over time.

Expected Lifespan Based on Use and Maintenance
The expected lifespan of a viscometer depends on factors such as frequency of use, maintenance practices, and operating conditions. Proper calibration and routine servicing significantly extend the functional life of these instruments.
Using protective measures against contamination and mechanical shocks helps maintain measurement accuracy and avoid premature wear. Kalstein provides guidance on maintenance protocols to maximize equipment uptime and reliability.

KALSTEIN VISCOMETER
Among numerous products, at Kalstein you can find the ideal viscometer for your Laboratory
If you’re unsure which viscometer to purchase, consider factors like fluid type, measurement precision, and budget. Our experts help you choose the most suitable model tailored to your specific laboratory requirements.

Digital rotary viscometer YR06639//YR06644
The YR06639//YR06644 Series Digital Rotary Viscometer is a high-precision tool designed for advanced fluid analysis. Wit…

Small Sample Viscometer YR05865
The Small Sample Viscometer YR05865 offers precision and convenience with its digital rotary design, ideal for measuring…

Digital Small Sample Viscometer YR05840 // YR05842
The Digital Small Sample Viscometer YR05840 // YR05842 is a state-of-the-art high-temperature viscometer built for preci…

High Temperature Viscometer YR05843 // YR05846
The High Temperature Viscometer YR05843 // YR05846 is a state-of-the-art instrument designed for precise viscosity measu…
Our most sold viscometer
The YR06639//YR06644 Series Digital Rotary Viscometer is a high-precision tool designed for advanced fluid analysis. With a measurement capacity reaching up to 320 million mPa.S, this equipment is the ideal solution for laboratories and industries working with high-viscosity materials. Its intuitive design allows operators to obtain fast and reliable results, offering accuracy comparable to the most demanding international standards. It is the perfect device for those seeking cutting-edge technology at a competitive cost without sacrificing precision.
This equipment features a control panel with a touch keyboard and a large LCD screen that facilitates the reading of complex data. Key technological innovations include:
| Specification | YR06639 | YR06640 | YR06641 |
| Speed (r/min) | 0.3 – 100 (37 tipos) | 0.3 – 100 (37 tipos) | 0.3 – 100 (37 tipos) |
| Rank R2 – R7 (mPa.s) | 100 – 13.000.000 | 200 – 26.000.000 | 800 – 104.000.000 |
| Rank URL (mPa.s) | 6.4 – 1.000 | 12.8 – 1.000 | 51.2 – 2.000 |
| Rotor 21# (mPa.s) | 50 – 167.000 | 100 – 333.000 | 400 – 1.300.000 |
| Rotor 27# (mPa.s) | 250 – 834.000 | 500 – 1.700.000 | 2.000 – 6.700.000 |
| Rotor 28# (mPa.s) | 500 – 1.700.000 | 1.000 – 3.300.000 | 4.000 – 13.300.000 |
| Rotor 29# (mPa.s) | 1.000 – 3.300.000 | 2.000 – 6.600.000 | 8.000 – 26.600.000 |
| Dosage R1-R7 | 500 ml | 500 ml | 500 ml |
| Dosage ULR | 21 ml | 21 ml | 21 ml |
| Dosage 21# / 27# | 7.8 ml / 11.3 ml | 7.8 ml / 11.3 ml | 7.8 ml / 11.3 ml |
| Dosage 28# / 29# | 12.6 ml / 11.5 ml | 12.6 ml / 11.5 ml | 12.6 ml / 11.5 ml |
| Measurement Error | ±1% | ±1% | ±1% |
| Repetitive Error | ±0.5% | ±0.5% | ±0.5% |
| voltage | 110V / 220V | 110V / 220V | 110V / 220V |
| Dimensions | 300*300*450(mm) | 300*300*450(mm) | 300*300*450(mm) |
| Weight | 12 kg | 12 kg | 12 kg |
| Specification | YR06642 | YR06643 | YR06644 |
| Speed (r/min) | 0.1 – 200 (58 tipos) | 0.1 – 200 (58 tipos) | 0.1 – 200 (58 tipos) |
| Rank R2 – R7 (mPa.s) | 100 – 40.000.000 | 200 – 80.000.000 | 800 – 320.000.000 |
| Rank URL (mPa.s) | 3.2 – 1.000 | 6.4 – 1.000 | 25.6 – 2.000 |
| Rotor 21# (mPa.s) | 25 – 500.000 | 50 – 1.000.000 | 200 – 4.000.000 |
| Rotor 27# (mPa.s) | 125 – 2.500.000 | 250 – 5.000.000 | 1.000 – 20.000.000 |
| Rotor 28# (mPa.s) | 250 – 5.000.000 | 500 – 10.000.000 | 2.000 – 40.000.000 |
| Rotor 29# (mPa.s) | 500 – 10.000.000 | 1.000 – 20.000.000 | 4.000 – 80.000.000 |
| Dosage R1-R7 | 500 ml | 500 ml | 500 ml |
| Dosage ULR | 21 ml | 21 ml | 21 ml |
| Dosage 21# / 27# | 7.8 ml / 11.3 ml | 7.8 ml / 11.3 ml | 7.8 ml / 11.3 ml |
| Dosage 28# / 29# | 12.6 ml / 11.5 ml | 12.6 ml / 11.5 ml | 12.6 ml / 11.5 ml |
| Measurement Error | ±1% | ±1% | ±1% |
| Repetitive Error | ±0.5% | ±0.5% | ±0.5% |
| voltage | 110V / 220V | 110V / 220V | 110V / 220V |
| Dimensions | 300*300*450(mm) | 300*300*450(mm) | 300*300*450(mm) |
| Weight | 12 kg | 12 kg | 12 kg |

Precise viscosity measurement improves product quality every time

Comparative Analysis: High Temperature Viscosimeter YR05843 / YR05846 by Kalstein vs. Brookfield HTD High Temperature Viscosimeter
When it comes to precision in viscosity measurement at elevated temperatures, choosing the right instrument is crucial. The High Temperature Viscometer YR05843…

Next-Generation Viscometers for Improved Viscosity Measurements in Pharmaceutical Formulation
Viscosity measurement is a critical factor in the pharmaceutical industry as it affects the quality and stability of formulated products. Viscometers are the ke…

High-Precision Viscometers: Consistent Measurement in Viscosity Analysis
Accurate viscosity measurement is essential in various industries, from pharmaceuticals to food production. High-precision viscometers are vital instruments tha…

Technical description and advanced functionalities in viscosity measurement
Viscometers are indispensable instruments in many scientific and technical fields of application for determining the flow resistance of liquids. In the Kalstein…
Viscometer Offers

Digital rotary viscometer YR06639//YR06644

Lab Rotational Viscometer YR05853 – YR05854

Viscosity Measuring Analyzer Laboratory Viscometer YR05855 – YR05856

Stormer Viscometer YR05857

Touch Screen Brookfield Viscometer YR05858 – YR05859

Brookfield Viscosity Tester YR05860 // YR05864

Small Sample Viscometer YR05865

Digital Small Sample Viscometer YR05840 // YR05842
Kalstein updates viscometers with advanced technology for accuracy
Explore our detailed guides to understand viscometer operation and maintenance thoroughly
Our comprehensive guides and expert recommendations empower you to operate viscometers like a pro, ensuring accurate results and optimal equipment care every day
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Viscometer: an essential tool for food industries
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FAQs
The delivery time for your Kalstein product will depend on the following:
- Whether the equipment of your interest is in stock or needs to be manufactured.
- The type of shipping you have chosen, which can be either air or sea freight.
- Equipment in stock:
– Delivery Time (Air): 15-30 days.
– Delivery Time (Sea): 45-60 days.
- Equipment not in stock:
– Delivery Time (Air): 30-60 days.
– Delivery Time (Sea): 60-90 days.
You can make your purchase through:
- Email: [email protected]
- Phone: +33 (0) 1 70 39 26 50
- E-commerce: Through the official Kalstein website in your country.
At Kalstein, we provide our customers with training and technical support through new online methods. You can visit our induction videos, technical assistance, and guidance provided by a Kalstein team via our YouTube channel (Kalstein English). HERE.