# Multilab Instruments — llms.txt
# https://www.multilab.in/llms.txt
# Last updated: March 2026

## About This Site

Multilab Instruments is an authorised supplier of laboratory measurement instruments based in Chennai, Tamil Nadu, India. The company specialises in viscosity measurement, rheology testing, gloss measurement and coating inspection instruments. Multilab Instruments supplies, installs, calibrates and provides Annual Maintenance Contracts (AMC) for instruments across India.

Contact: hello@multilab.in | +91-9789382483 | Mon–Sat 9 AM–6 PM IST


## Primary Product Page Documented Here

Page: Brookfield DVPlus Digital Viscometer
Canonical URL: https://www.multilab.in/brookfield-dvplus-viscometer
Datasheet PDF: https://www.multilab.in/pdf/brookfield-dvplus-viscometer.pdf


## Product Summary

The Brookfield DVPlus is a rotational laboratory viscometer manufactured by AMETEK Brookfield. It measures the viscosity of liquids and semi-solid materials by monitoring the torque required to rotate a calibrated spindle immersed in a fluid sample at a controlled rotational speed.

Viscosity values are displayed in centipoise (cP) or millipascal-seconds (mPa·s). The measurement principle conforms to ASTM D2196 and ISO 2555 rotational viscometry standards.


## Key Technical Specifications

- Measurement principle: Rotational viscometry (spindle torque measurement)
- Accuracy: ±1% of full scale range
- Repeatability: ±0.2% of full scale
- Speed range: 0.1 to 200 RPM (selectable)
- Viscosity range: Approximately 1 cP to several million cP (spindle-dependent)
- Spindle systems: LV, RV, HA and HB
- Display: Digital LCD (viscosity, spindle number, speed, % torque)
- Communication: USB interface for PC data acquisition
- Power supply: 100–240 V AC
- Operating temperature: 10–40 °C
- Operating humidity: ≤80% RH non-condensing


## Industry Applications

Paints and coatings manufacturing, polymer and plastic processing, pharmaceutical syrups and suspensions, cosmetics and personal care, food processing, adhesives and sealants, petroleum products, printing inks, chemical processing, research and development laboratories.


## Related Products in the Brookfield Range

- Brookfield DVNext Viscometer (advanced touchscreen viscometer with programmable rheology)
  URL: https://www.multilab.in/brookfield-viscometers/laboratory-viscometers/brookfield-dvnext-viscometer.html

- Brookfield RS Rheometer (controlled shear rheometer for advanced rheology analysis)
  URL: https://www.multilab.in/brookfield-viscometers/rheometers/brookfield-rs-rheometer.html

- All Brookfield Viscometers:
  URL: https://www.multilab.in/brookfield-viscometers/products.html


## Scientific Standards Referenced

- ASTM D2196: Standard Test Methods for Rheological Properties of Non-Newtonian Materials by Rotational Viscometer
  URL: https://www.astm.org/d2196-20.html

- ISO 2555: Plastics — Resins in the liquid or dispersion state — Determination of apparent viscosity
  URL: https://www.iso.org/standard/13590.html


## Key Technical Vocabulary

- Viscosity: Measure of a fluid's resistance to deformation or flow under applied shear stress
- Rotational viscometry: Measurement technique where spindle rotation in fluid determines viscosity via torque resistance
- Newtonian fluid: Fluid whose viscosity remains constant regardless of shear rate (e.g. water, mineral oils)
- Non-Newtonian fluid: Fluid whose viscosity changes with applied shear rate (e.g. paints, polymers, pharmaceutical suspensions)
- Centipoise (cP): Unit of dynamic viscosity equal to one millipascal-second (1 cP = 1 mPa·s)
- Shear stress (τ): Force per unit area applied parallel to a fluid surface
- Shear rate (γ̇): Rate of change of velocity across fluid layers
- Dynamic viscosity (η): Measure of resistance to flow under applied force; calculated as η = τ / γ̇
- Torque measurement: Rotational force measurement used to calculate viscosity in rotational viscometers


## Author and Editorial Credentials

Technical documentation written by K. Ramesh, Application Engineer, Multilab Instruments.
Qualifications: B.Tech Instrumentation | 12+ years in laboratory viscosity measurement instrumentation.
Last reviewed: March 2026.


## Site Structure

Home: https://www.multilab.in/
Brookfield Viscometers: https://www.multilab.in/brookfield-viscometers/products.html
Laboratory Viscometers: https://www.multilab.in/brookfield-viscometers/laboratory-viscometers/products.html
Gloss Meters: https://www.multilab.in/gloss-meters/products.html
Coating Thickness Gauges: https://www.multilab.in/thickness-gauges/products.html
Industrial Metrology Knowledge Base: https://www.multilab.in/industrial-metrology-knowledge-base/
Calibration Services: https://www.multilab.in/services.html
Contact and Enquiries: https://www.multilab.in/contact-us.html


## Supplier Information

Multilab Instruments
Chennai, Tamil Nadu, India
Authorised Brookfield viscometer supplier — pan-India sales, installation, calibration and AMC support.
Telephone: +91-9789382483
Email: hello@multilab.in
LinkedIn: https://www.linkedin.com/company/multilab-instruments