Viscometer

Viscometers are essential instruments used in laboratories to measure the viscosity of fluids, helping researchers and engineers understand flow behavior and properties. The right viscometer can significantly influence the quality of results in various applications, from pharmaceuticals to food production.
When selecting a viscometer, it is crucial to consider factors such as the fluid's characteristics, the required precision, and the environment in which the instrument will be used. Kalstein offers a wide range of viscometers tailored for different laboratory needs.
What you should know before selecting a viscometer and making an investment
Key factors to consider

When selecting a viscometer, it's important to consider the type of fluids you will be testing, as their viscosity can vary significantly. Additionally, determine the required measurement range and accuracy to ensure that the viscometer meets your specific application needs.
Another factor is the ease of use and maintenance; user-friendly interfaces and robust designs can streamline the testing process and minimize downtime in laboratory settings.
Market price range

The price of viscometers can vary widely, influenced by their features, precision, and brand reputation. Basic models may start at a few hundred dollars, while advanced digital viscometers can cost several thousand. It's essential to assess your budget and find a balance between cost and functionality.
Investing in a high-quality viscometer can lead to long-term savings due to increased accuracy and durability, which reduces the need for frequent replacements or repairs.
Value for money

When evaluating the value for money of a viscometer, consider not just the purchase price but also the operational costs, such as maintenance and calibration. A more expensive model may offer features that improve efficiency and reduce errors, making it a better investment in the long run.
Additionally, consider the warranty and support offered by the manufacturer, as good customer service can significantly enhance the overall value of your purchase.
Expected lifespan based on use and maintenance

The lifespan of a viscometer can vary based on usage frequency and maintenance practices. Regular calibration and proper cleaning can extend the life of the instrument, ensuring consistent performance over time. It's vital to choose a model designed for durability if it will be used extensively.
Evaluate the manufacturer's guidelines for maintenance and follow them closely to maximize the lifespan and reliability of your viscometer.
VISCOMETER KALSTEIN
Discover viscometer for your laboratory
Explore our selection of high-quality viscometers designed to meet the diverse needs of laboratory applications. Each model is crafted with precision and advanced technology to ensure accurate viscosity measurements for various fluids.

Lab Rotational Viscometer YR05853 - YR05854
The Lab Rotational Viscometer YR05853 - YR05854 seamlessly combines touch screen technology with modern high-tech innovation to provide rapid, accurat
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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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Touch Screen Brookfield Viscometer YR05858 - YR05859
Perfect integration of touch-screen technology, fast, accurate, easy to measure viscosity. Step-less debugging, can measure super high viscosity of th
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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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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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High Temperature Viscometer YR05843 // YR05846
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Viscosity Measuring Analyzer Laboratory Viscometer YR05855 - YR05856
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Digital Small Sample Viscometer YR05840 // YR05842
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Brookfield Viscosity Tester YR05860 // YR05864
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Lab Rotational Viscometer YR05853 - YR05854
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Digital rotary viscometer YR06639//YR06644
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Touch Screen Brookfield Viscometer YR05858 - YR05859
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Cosmetics Rotating Dial Viscometer YR05851 - YR05852
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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.