Viscometer

Viscometers are essential instruments used in laboratories to measure the viscosity of fluids, which is crucial in numerous applications including quality control, research, and product development. Understanding the properties of liquids can lead to improved formulations and processes.
The choice of a viscometer depends on various factors, including the type of fluid, its viscosity range, and the specific measurements required. Selecting the right equipment ensures accurate results and enhances laboratory efficiency.
What you should know before selecting a viscometer and making an investment
Key factors to consider

When selecting a viscometer, consider the fluid type and viscosity range you will be working with. Different viscometers are designed for specific applications, such as low or high-viscosity fluids, and understanding these factors will help you make an informed choice.
Additionally, evaluate the precision required for your measurements. Some applications may demand high accuracy, while others may prioritize ease of use and speed over precision.
Market price range

The market price for viscometers can vary significantly based on features, brand, and specifications. Basic models may start at a few hundred dollars, while advanced digital viscometers with extensive capabilities can reach several thousand dollars.
It is important to set a budget that aligns with your laboratory needs while considering long-term investment value. Researching various models ensures you find the best fit for your financial plan.
Value for money

Assessing the value for money involves looking beyond the initial purchase price. Consider factors such as durability, maintenance costs, and the availability of replacement parts. A higher upfront cost may be justified by lower long-term operational costs.
Evaluate user reviews and reliability reports to gauge the long-term performance of the viscometer you are considering. Investing in a quality instrument can lead to significant savings and improved productivity over time.
Expected lifespan based on use and maintenance

The lifespan of a viscometer can greatly depend on the frequency of use and the level of maintenance provided. Regular calibration and proper cleaning can extend the instrument's life, ensuring consistent performance.
Understanding the operational environment is also critical. Factors such as temperature fluctuations and exposure to corrosive substances can impact the durability of the device. Investing in robust models suitable for your conditions can minimize replacement costs.
VISCOMETER KALSTEIN
Discover viscometer for your laboratory
Explore our range of viscometers designed to meet the diverse needs of laboratory applications. From basic models to advanced digital solutions, we provide instruments that ensure precise viscosity measurements for various fluids.

Viscosity Measuring Analyzer Laboratory Viscometer YR05855 - YR05856
The Viscosity Measuring Analyzer Laboratory Viscometer YR05855 - YR05856 is an advanced digital rotary viscometer designed for precise and convenient
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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
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Lab Rotational Viscometer YR05853 - YR05854
The Lab Rotational Viscometer YR05853 - YR05854 offers a cutting-edge solution for precise viscosity measurement with its advanced touch screen techno
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Brookfield Viscosity Tester YR05860 // YR05864
The Brookfield Viscosity Tester YR05860 // YR05864 is an advanced tool designed for precise viscosity measurement, combining cutting-edge touchscreen
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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

High-Temperature Viscometers: A Comprehensive Comparative Analysis
In the rapidly evolving scientific landscape, precision instruments like high-temperature viscometers have become indispensable in laboratories worldwide. These devices provide invaluable insights into the viscosity properties of substances at elevated temperatures, which is crucial for various industrial and research applications. Today, we're comparing the High Temperature Viscometer YR05843 / Y

Comparative Analysis of the Kalstein Viscometer Circulating Bath YR04985 and the Koehler Viscometer Bath K23371
In the realm of laboratory equipment, precision and reliability are paramount. Today, we will delve into a comparative analysis between two leading viscometer baths: the Kalstein Viscometer Circulating Bath YR04985 and the Koehler Viscometer Bath K23371. Both products are designed to deliver high-quality results, but each has its unique strengths and benefits. The Viscometer Circulating Bath YR04

Reliable Viscosity Measurement: Professional Viscometers for Laboratories
Accurate viscosity measurement is essential in many laboratories, as it helps evaluate a liquid's resistance to flow. If you work in fields such as scientific research, quality control, or industrial production, you know that viscometers are key tools to ensure consistent and reliable results.

Digital Viscometer for Precise Viscosity Measurement in Fluids
The viscometer is an essential tool in laboratories and various industries where accurate fluid viscosity measurement is required. Viscosity is a key property in analyzing and controlling the quality of products and processes in areas like cosmetics, pharmaceuticals, and food. With an appropriate viscometer, it’s possible to obtain precise and reproducible measurements that ensure success at each stage of production or product development. In my experience, having access to a high-precision digital viscometer, such as those from Kalstein, provides a significant advantage in maintaining the reliability of each test.
viscometer offer catalog

Touch Screen Brookfield Viscometer YR05858 - YR05859
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Digital Small Sample Viscometer YR05840 // YR05842
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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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Digital rotary viscometer YR06639//YR06644
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Lab Rotational Viscometer YR05853 - YR05854
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Brookfield Viscosity Tester YR05860 // YR05864
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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.