Viscometer

Viscometers are essential instruments in laboratories for measuring the viscosity of fluids. These devices help in determining how a fluid flows under various conditions, which is crucial in many industrial applications.
Understanding the principles and features of different viscometers can greatly enhance the efficiency of your laboratory processes. Selecting the right viscometer ensures accurate and reliable measurements, which are vital for quality control and research.
What you should know before selecting a viscometer and making an investment
Key factors to consider

When selecting a viscometer, consider the type of fluid you will be testing, as different viscometers are designed for specific applications. Additionally, think about the measurement range, accuracy, and the environment in which the viscometer will be used to ensure optimal performance.
It's also important to evaluate the ease of use and maintenance of the device, as well as the availability of technical support from the manufacturer, which can greatly enhance your operational efficiency.
Market price range

The price of viscometers can vary significantly based on their technology and features. Basic viscometers may start at a few hundred dollars, while advanced models with sophisticated features can cost several thousand dollars. Understanding your budget and comparing models can help you find the right balance between cost and functionality.
It's also advisable to consider long-term costs, including maintenance and potential upgrades, which can impact the overall investment in your laboratory equipment.
Value for money

Investing in a high-quality viscometer can provide significant value by ensuring accurate measurements and reducing the risk of errors in your testing processes. A reliable viscometer can save time and resources in the long run, making it a worthwhile investment for any laboratory.
Consider the reputation of the manufacturer and the warranty offered, as these factors can indicate the quality and reliability of the viscometer, ultimately contributing to its overall value for money.
Expected lifespan based on use and maintenance

The lifespan of a viscometer largely depends on the frequency of use and the level of maintenance it receives. Regular calibration and proper care can extend the life of your instrument, ensuring consistent performance over time.
It's essential to follow the manufacturer's guidelines for maintenance and to invest in training for your staff, which can help maximize the lifespan and effectiveness of your viscometer.
VISCOMETER KALSTEIN
Discover viscometer for your laboratory
Explore our range of high-quality viscometers designed to meet various laboratory needs. Our products combine precision, reliability, and user-friendly features to enhance your viscosity measurement processes.

Cosmetics Rotating Dial Viscometer YR05851 - YR05852
The Cosmetics Rotating Dial Viscometer YR05851 - YR05852 is a state-of-the-art instrument designed for easy digital rotary viscosity measurements. Fea
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Brookfield Viscosity Tester YR05860 // YR05864
The Brookfield Viscosity Tester YR05860 // YR05864 offers seamless integration of touch-screen technology, ensuring fast and precise viscosity measure
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High Temperature Viscometer YR05843 // YR05846
The High Temperature Viscometer YR05843 // YR05846 is designed with a coaxial center structure to deliver precise and rapid temperature control. Ideal
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Digital rotary viscometer YR06639//YR06644
The YR06639//YR06644 Series Digital Rotary Viscometer is a high-precision tool designed for advanced fluid analysis. With a measurement capacity reach
View productOur best-selling viscometer

Digital rotary viscometer YR06639//YR06644
Design and Technology
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:- Auto-Scanning: The system recommends the optimal combination of rotor and speed for unknown samples.
- Dual Connectivity: Includes two RS232 ports, allowing simultaneous connection to a computer for data management and a printer for physical records.
- Rheological Analysis: Ability to display shear rate and shear stress, allowing for an in-depth study of fluid behavior.
- Computerized Calibration: Each measurement range is software-adjusted to minimize human error.
Frequently Asked Questions (FAQ)
- Is the device difficult to level? No, it features a level control on the front for quick and visual adjustment.
- Can I measure very hot samples? Yes, using the optional high-temperature furnace, it can measure molten materials such as asphalt or waxes.
- What if my sample size is very small? There is an optional small sample adapter (SSR) designed specifically for volumes of only 7 to 11 ml.
- Does it come with PC software? Yes, it can be connected to a computer via the RS232 interface to track viscosity curves.
Advantages and Disadvantages
Advantages:- Extremely wide measurement range (up to 320M mPa.s).
- Stable results and high resistance to electrical interference.
- Easy conversion of units (mPa.s, Pa.s, P, cP) and temperature (°C/°F).
- Excellent quality-to-price ratio compared to imported brands.
- Requires optional accessories (Pt100 probe) to measure temperature with 0.1°C precision.
- The equipment's size (12 kg) requires a fixed and stable workspace.
Field Use and Recommendations
This viscometer is essential in industrial quality control laboratories and biochemical research centers. Its use is highly recommended in:- Chemical Industry: Production of paints, inks, and adhesives.
- Cosmetics: Formulation of high-density creams and gels.
- Food Industry: Analysis of starches, pulps, and syrups.
- Construction: Evaluation of asphalts and hot-melt glues.
- Operating Tip: To achieve maximum precision, ensure the front level bubble is perfectly centered before starting any measurement.
Technical Specifications
| 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 |
Detailed analysis of viscometer for an effective and safe choice

The Ultimate Guide to Kalstein Viscometers: Efficiency and Accuracy in Viscosity Measurement
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Laboratory Viscometers: Precise Viscosity Measurement in Fluid Testing
In research laboratories, accurate viscosity measurement is essential for a wide range of scientific applications, from pharmaceutical research to the food industry. Viscometers are indispensable tools for measuring the resistance of a fluid to flow, or in other words, its viscosity. These devices allow scientists to assess the quality and behavior of various liquids under different conditions.

Precise Viscosity Measurement with Viscometers for Scientific Testing
When we talk about measuring viscosity, we are addressing a crucial aspect of various scientific tests and multiple industries, from chemistry to pharmaceuticals. Precision in measuring this parameter is essential to ensure product quality and optimize processes. In this article, I will explore the advantages of using high-precision viscometers, focusing on Kalstein's viscometers, which lead the market due to their technological innovation and reliability.
viscometer offer catalog

Viscosity Measuring Analyzer Laboratory Viscometer YR05855 - YR05856
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Touch Screen Brookfield Viscometer YR05858 - YR05859
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Lab Rotational Viscometer YR05853 - YR05854
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Digital Small Sample Viscometer YR05840 // YR05842
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Cosmetics Rotating Dial Viscometer YR05851 - YR05852
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Brookfield Viscosity Tester YR05860 // YR05864
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High Temperature Viscometer YR05843 // YR05846
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Digital rotary viscometer YR06639//YR06644
Ver productoGuides about viscometer
Complete guides to choose viscometer

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Leer másFrequently asked questions about Viscometer
How to know the prices of Viscometer?
To know the price of Viscometer, please send us an email with your request through the contact form AQUI.
What are the delivery times for Viscometer?
Delivery time depends on stock availability and freight type (air or sea). In stock: air 15-30 days, sea 45-60 days. Out of stock: air 30-60 days, sea 60-90 days.
How to make a purchase of Viscometer?
You can buy by email ([email protected]), phone (+33 (0) 1 70 39 26 50) or through the official Kalstein website in your country.
How does the warranty work for Viscometer?
All Kalstein equipment comes with a 1-year warranty against manufacturing defects. The warranty does not cover damage from improper installation or misuse. See our «terms and conditions» AQUI.
Can I request a quote online for Viscometer?
Yes, you can request a quote for the Kalstein equipment you are interested in directly from our official website. Click AQUI.