Viscometer

Viscometers are essential instruments used in various laboratory applications to measure the viscosity of liquids. Understanding viscosity is crucial for ensuring product quality in industries such as food, pharmaceuticals, and cosmetics. By selecting the right viscometer, you can achieve accurate results that are vital for your processes.
Choosing a viscometer involves considering factors such as the type of fluids being measured, the required precision, and the operational environment. Investing in a high-quality viscometer not only enhances measurement accuracy but also contributes to the overall efficiency of your laboratory operations.
What you should know before selecting a viscometer and making an investment
Key factors to consider

When selecting a viscometer, it’s important to evaluate the measurement range and the viscosity of the fluids you will be testing. Different viscometers are designed for specific viscosity ranges, so understanding your needs will help you choose the right model. Additionally, consider the temperature and pressure conditions in which the viscometer will operate.
Another factor is the type of viscometer technology, which includes rotational, capillary, and falling ball methods. Each technology has its advantages and is suited for different applications, making it vital to align your choice with your specific laboratory requirements.
Market price range

The price of viscometers can vary significantly based on their type, features, and accuracy. Basic models may start at a few hundred dollars, while advanced viscometers with digital interfaces and high precision can cost several thousand dollars. Establishing a budget that reflects your laboratory's needs and expected usage is crucial when selecting a viscometer.
Consider the total cost of ownership as well, which includes maintenance, calibration, and potential repairs. Investing in a reliable viscometer may yield better long-term value, reducing the need for frequent replacements or repairs.
Value for money

When evaluating viscometers, consider their features relative to the price. A higher initial cost may be justified if the viscometer offers enhanced accuracy, durability, and ease of use. Compare different models and brands, focusing on their specifications, warranty, and support services to ensure you receive good value for your investment.
Moreover, consider the adaptability of the viscometer for future applications. A versatile instrument can save costs in the long run, as it may serve various purposes as your laboratory needs evolve.
Expected lifespan based on use and maintenance

The lifespan of a viscometer largely depends on its design, frequency of use, and maintenance practices. Regular calibration and proper cleaning can extend the life of your instrument, ensuring consistent performance. It's essential to follow the manufacturer's guidelines on maintenance to prevent early wear and tear.
Investing in high-quality viscometers can lead to longer life spans, reducing replacement costs. Additionally, consider the availability of spare parts and service support when selecting a model, as these can impact long-term usability.
VISCOMETER KALSTEIN
Discover viscometer for your laboratory
Explore our extensive range of viscometers designed to meet the diverse needs of laboratories. Our products combine advanced technology with user-friendly interfaces, ensuring accurate viscosity measurements for various applications. Whether you need a high-temperature viscometer or a precision analyzer, we have the right solution.

High Temperature Viscometer YR05843 // YR05846
The High Temperature Viscometer YR05843 // YR05846 is an advanced instrument designed for precise viscosity measurements at elevated temperatures. Thi
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Viscosity Measuring Analyzer Laboratory Viscometer YR05855 - YR05856
The Viscosity Measuring Analyzer Laboratory Viscometer YR05855 - YR05856 is a state-of-the-art tool designed for precision and reliability in viscosit
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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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Digital Small Sample Viscometer YR05840 // YR05842
The Digital Small Sample Viscometer YR05840 // YR05842 is a cutting-edge instrument designed for high-temperature viscosity measurements. Utilizing a
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

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Viscometers are a valuable tool for manufacturers of large-scale products. It is a scientific measuring instrument that is used to measure the viscosity of a liquid. Viscosity refers to the resistance to flow of a liquid when it is subjected to an external force. This makes viscometers an invaluable tool for controlling and ensuring the quality and consistency of products on a large scale.
viscometer offer catalog

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

What types of fluids are measured with viscometers?
Viscometers are devices used to measure the viscosity of a fluid, which is a measure of its resistance to flow. These devices can measure the viscosity of a variety of fluids such as: lubricating oils, lubricating additives, industrial lubr
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How is the Viscometer used?
The viscometer is the instrument used to measure the viscosity of liquids and their flow properties. It is equipment with various applications and can be used in different substances and materials, such as oil, plastic, paints, coatings, ad
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What are the types of Viscometer?
A viscometer is a device used to measure the viscosity of liquids and their flow properties. These equipments have different applications in different types of substances and materials, such as oil, plastic, paints, coatings, adhesives, wax
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Use of the Viscometer for the Production of Cosmetics
Viscosity belongs to the field of rheology, change of form and flow of substances, elasticity, viscosity and plasticity. Since viscosity is the measure of internal friction in a fluid, viscometers act as a tool within rheology. Viscometers
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.