Rheometers

PVS Rheometer

Versatile High-Performance Rheological Testing

Accurate, Controlled Shear Rate Testing for Volatile and Temperature-Sensitive Samples

The Brookfield PVS Rheometer is a dynamic coaxial cylinder, controlled shear rate rheometer designed for precise viscosity measurements under pressure at elevated or reduced temperatures where sample boil-off could be an issue. Ideal for simulating in-process conditions, the PVS Rheometer is perfect for small fluid samples in laboratory environments, particularly in industries such as chemicals, oil, food processing, polymers, and paints.

Portable Design:
Compact 1' x 1' x 2' footprint allows for easy site-to-site mobility, making it ideal for various testing environments.
Rheovision Software:
Automate and control all test parameters with intuitive Rheovision software, ensuring precise and repeatable results.
Durable Construction:
Built to withstand severe environments with standard Hastelloy cups and bobs, providing long-lasting performance.
Ease of Use:
Quick and trouble-free operation minimizes setup time and simplifies the testing process.
Wide Pressure Range:
Capable of measuring samples up to high pressures of 1000 psi, offering versatility in testing conditions.
Safety Features:
Equipped with a safety relief valve for secure operation, even under extreme conditions.
Temperature Range:
Operates under a broad range of temperatures from -40°C to +260°C, making it suitable for a variety of applications.
Accurate Temperature Control:
RTD temperature sensor on the inner cylinder surface ensures precise sample temperature measurements.
API Industry Standard Compliance:
Designed to meet API industry standards, ensuring reliable and consistent results.
Low Shear Rate Viscosity (LSRV) Measurements:
Measures down to 0.2 sec-1, enabling accurate analysis of low shear rate conditions.
In-Process Simulation:
Capable of simulating real-world in-process conditions such as down-hole drilling, cooking, blending, and reactors.
High-Speed Capabilities:
Robust motor achieves speeds up to 1000 RPM, while the outside cylinder rotates at shear rates up to 1700 sec-1, with a stationary spindle inside.
Triple Annulus Geometry Option:
Available with triple annulus geometry for increased sensitivity when measuring low viscosity fluids.
Quick Setup:
Fast and simple setup process, complete with a choice of spindle (bob), cup, Rheovision Software, and computer.
Industrial Standards Compliance:
Adheres to rigorous industrial standards, ensuring consistent and accurate testing.

Chemical Industry: Analyze volatile chemical compounds, ensuring consistent and accurate viscosity measurements even under high pressure.
Oil Industry: Perfect for testing drilling muds, fracturing fluids, and other petroleum products where pressure and temperature control are critical.
Food Processing: Ideal for simulating cooking and blending processes, ensuring accurate viscosity control in food products.
Polymers and Paints: Accurately measure viscosity in polymers and paints, particularly in conditions where traditional rheometers fail due to temperature sensitivity or volatile components.

Instrument:
The core testing device designed for accurate and reliable performance.
Choice of Spindle (Bob):
Select the spindle (bob) that best suits your testing needs, ensuring precise measurements.
Sample Cup:
High-quality cup for holding and preparing your samples during testing.
Rheovision Software with Ramp Wizard:
Powerful software included for automating test parameters and guiding you through complex testing procedures with ease.

B1 Bob: PVS-221HC-HT
- Viscosity Range: 2-5M cP (mPa·s)
- Shear Rate: 1.7N sec⁻¹
- Sample Volume: 12 mL
B2 Bob: PVS-222HC-HT
- Viscosity Range: 20-36M cP (mPa·s)
- Shear Rate: 0.38N sec⁻¹
- Sample Volume: 55 mL
B5 Bob: PVS-223HC-HT
- Viscosity Range: 5-10M cP (mPa·s)
- Shear Rate: 0.85N sec⁻¹
- Sample Volume: 25 mL
TA5 Triple Annulus (used with B5 bob): PVS-TA5-HT
- Viscosity Range: 0.5-1M cP (mPa·s)
- Shear Rate: 0.85N sec⁻¹
- Sample Volume: 160 mL

OPTIONAL CONFIGURATIONS

Additional Spindles and Bobs:
Expand your testing capabilities with a range of spindle and bob options for different sample types.
Temperature Control Baths:
Enhance your testing with precise temperature control using a compact thermo bath option with PID enhanced control capabilities.
Triple Annulus Geometry:
Increase sensitivity when measuring low viscosity fluids, ensuring accurate results across a wider range of applications.

Brochure

WHY CHOOSE THE PVS RHEOMETER?

PVS Rheometer combines portability, robust construction, and advanced software control to deliver precise, repeatable viscosity measurements under challenging conditions. Whether you are simulating in-process environments or testing volatile samples under pressure, the PVS Rheometer provides the accuracy and reliability you need.