Trade Mark No.: 2022609
High-Precision Digital & Analog Rotational Viscometers for Laboratory Applications
Precision Rotational Viscometers for Reliable Viscosity Testing
Bionics Scientific designs and manufactures high-precision Digital and Analog Rotational Viscometers for accurate viscosity measurement across laboratory, industrial and research environments. Our instruments are engineered to deliver reliable, repeatable and precise viscosity analysis for liquids, semi-solid materials and process fluids used in pharmaceutical, chemical, food, cosmetic, petroleum, paint and academic laboratories.
Built with advanced torque sensing technology, multiple speed options and user-friendly operation, our rotational viscometers help laboratories maintain product quality, process consistency and regulatory compliance. Every instrument is manufactured using high-quality components and undergoes stringent quality checks to ensure dependable performance for routine testing, research applications and industrial quality control.
What is a Rotational Viscometer?
A Rotational Viscometer is a laboratory instrument used to measure the viscosity of liquids, semi-solids and viscous materials by determining the resistance generated when a spindle rotates at a controlled speed. The measured torque is converted into viscosity values, helping laboratories evaluate the flow characteristics, consistency and quality of different materials.
Rotational viscometers are widely used for quality control, research and product development across pharmaceutical, food, chemical, cosmetic, petroleum, paint, polymer and biotechnology industries. Accurate viscosity measurement helps manufacturers maintain product consistency, optimize production processes and comply with industry quality standards.
How Does a Rotational Viscometer Work?
A rotational viscometer works by rotating a spindle inside the sample liquid at a selected speed. As the spindle moves through the liquid, the fluid creates resistance against rotation. This resistance is measured as torque and converted into viscosity values such as centipoise or millipascal-seconds.
In Bionics Scientific rotational viscometers, controlled RPM options, torque sensing capability and stable spindle movement help users obtain repeatable viscosity readings for low, medium and high viscosity samples. This makes the instrument suitable for quality control testing of materials such as paints, oils, creams, pastes, polymers, food products and pharmaceutical liquids.
Applications of Rotational Viscometers
Rotational Viscometers are widely used for viscosity measurement, formulation development and quality assurance across multiple industries where precise flow behavior is critical for product performance and manufacturing consistency.
- Pharmaceutical formulations and syrups
- Food and beverage products
- Paints, coatings and inks
- Petroleum oils and lubricants
- Cosmetics, creams and lotions
- Adhesives and sealants
- Chemical processing industries
- Polymer and resin testing
- Biotechnology and research laboratories
- Academic and quality control laboratories
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Key Features & Benefits
- High-precision viscosity measurement with excellent repeatability.
- Available in both Digital and Analog Rotational Viscometer models.
- Advanced torque sensing technology for reliable test results.
- Multiple spindle speeds for low, medium and high viscosity samples.
- User-friendly operation with stable performance for routine laboratory testing.
- Suitable for pharmaceutical, chemical, food, cosmetic and petroleum industries.
- Designed for research laboratories, quality control and production environments.
- Manufactured using high-quality components with CE and ISO compliant standards.
Analog Rotational Viscometers:
These Analog (Dial Reading) Viscometers are the most suitable and matched with various lab standard viscosity measurement instrument used around worldwide. These systems feature easy speed adjustment, on /off control, silent electronic drive and much more. These viscometers are equipped with continuous torque sensing capability, multi-speed electronic drive and ergonomically designed speed control knobs. With easy selection of any one of 10 pre-set speeds you can get reliable and fast operation.
Digital vs Analog Rotational Viscometers
| Feature | Digital Model | Analog Model |
|---|---|---|
| Display | LCD Digital Display | Dial Reading |
| Accuracy | Digital reading with ±1.0% accuracy as per model specification | Dial reading with ±5% accuracy for Newtonian fluid |
| Ease of Operation | User Friendly | Manual Reading |
| Best For | Research & Quality Control | Routine Laboratory Testing |
| Data Reading | Digital | Manual |
Digital Rotational Viscometer:
Our Digital rotational viscometer systems are the most accurate, fast and simple viscometers available on the market. These systems offer relative and absolute viscosity while providing many user-friendly functions including auto-test with sound and visual malfunction alarm, auto-range function and User-enabled calibration etc.
These systems come with a number of accessories including sturdy stand and spindle set direct display of viscosity in centipoise or millipascal / seconds, %torque, spindle number and speed (18 speeds 0.3-100RPM). These systems also include set of spindles for low or medium viscosity. To keep these systems safe and dust free a hard carrying case is also supplied with the systems.
Specifications:
| Models | BST-DRV20 | BST-DRV21 |
|---|---|---|
| Viscometer Type | Digital | Digital |
| Measuring Range | 1-100k | 1-2000k |
| RPM | 6,12,30,60 | 0.3,0.6,1.5,3,6,12,30,60 |
| Temperature Range | 0.0°C to + 100.0°C | |
| Accuracy | + / - 1.0% of range | |
| Repeatability | + / - 0.5% | |
| Power Supply | 110 / 220 Volts | |
| Optional | Specified thermostatic water Bath Low Viscosity adapter Standard oils Micro Printer RTD Temperature Probe Glass Beaker With Circulation |
|
| Display | LCD Display | |
| Controls | Touch keypad on front | |
| Computer Interface | Yes | |
| Micro Printer | Yes | |
| Alarm | Yes | |
| Certifications | CE and ISO | |
Why Choose Bionics Scientific?
Bionics Scientific is a trusted Indian manufacturer of Digital and Analog Rotational Viscometers, serving research laboratories, quality control facilities and industrial testing environments. Our instruments are designed to deliver reliable viscosity measurement with consistent performance, user-friendly operation and long-term durability.
- Manufacturer of high-precision laboratory testing instruments
- Digital and Analog Rotational Viscometer models available
- CE & ISO compliant manufacturing standards
- Advanced torque sensing and multiple speed options
- Reliable technical assistance and after-sales support
- Suitable for pharmaceutical, chemical, food, cosmetic and petroleum industries
- Exporting laboratory equipment to international markets
Frequently Asked Questions (FAQs)
1. What is a Rotational Viscometer?
A Rotational Viscometer is a laboratory instrument used to measure the viscosity of liquids, semi-solid materials and process fluids by measuring the torque required to rotate a spindle at a controlled speed.
2. How does a Rotational Viscometer work?
The instrument rotates a spindle inside the sample. The resistance generated by the liquid is measured as torque and converted into viscosity values for accurate laboratory analysis.
3. What is the difference between Digital and Analog Rotational Viscometers?
Digital models provide electronic display, advanced functions and higher measurement convenience, whereas Analog models use dial readings and are suitable for routine laboratory viscosity testing.
4. Which industries use Rotational Viscometers?
Rotational Viscometers are widely used in pharmaceutical, chemical, food, cosmetic, petroleum, paint, polymer, adhesive and research laboratories.
5. What materials can be tested using a Rotational Viscometer?
The instrument measures the viscosity of oils, syrups, paints, coatings, inks, creams, gels, adhesives, lubricants, polymers and many other laboratory samples.
6. Why is viscosity measurement important?
Viscosity measurement helps maintain product quality, process consistency, formulation accuracy and regulatory compliance during manufacturing.
7. Can Rotational Viscometers measure high-viscosity samples?
Yes. Depending on the spindle and speed selection, Rotational Viscometers can accurately measure low, medium and high-viscosity materials.
8. How do I choose the right Rotational Viscometer?
The correct model depends on the sample viscosity range, application, spindle configuration, testing standards and required accuracy.
9. Are Bionics Scientific Rotational Viscometers CE and ISO compliant?
Yes. Bionics Scientific manufactures Rotational Viscometers following CE and ISO compliant quality standards for reliable laboratory performance.
10. Why choose Bionics Scientific for Rotational Viscometers?
Bionics Scientific offers high-quality Digital and Analog Rotational Viscometers with precision engineering, dependable performance, technical support and solutions for laboratory, industrial and research applications.
