Description

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.

Features

• 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.

Applications

• 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.

What’s Included

• 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.

Specifications

• 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.