Krebs Stormer Viscometer - ToronVisc™ STM-2T

Parent Product
Product Categories

Precision Viscosity Testing for Paints, Coatings, and Inks

ToronVisc™ STM-2T Stormer Viscometer is designed specifically for measuring the viscosity of paints, coatings, and inks using Krebs Units (KU), gram units (gm), and centipoise (cP). Built with an intuitive 5-inch display, PC-controlled lifter, and RTD temperature probe, the STM-2T provides a complete and user-friendly solution for quality control labs and production environments.

This instrument meets the stringent requirements of ASTM D562 and GB9269 standards and covers the full range of Stormer viscometer specifications (STM-1 to STM-4 equivalents). Whether you are testing for production consistency or R&D evaluation, the STM-2T delivers accurate, repeatable viscosity readings across multiple units of measure.

Typical Applications

  • Quality control in paint and coating manufacturing
  • Viscosity testing for water-based and solvent-based inks
  • Evaluation of rheological properties of resins and surface treatments
  • Batch consistency checks in production lines

Included Configuration

  • 1 × STM-2T Stormer Viscometer
  • 1 × Upright rod and base
  • 1 × KU-10 paddle spindle
  • 1 × KU-74 standard base
  • 1 × RTD temperature probe

Note: ToronVisc™ viscometers are Brookfield-style instruments manufactured to North American standards. ASTM D562 compliance ensures their relevance in paint and coating QC protocols. Brookfield® is a registered trademark of AMETEK, Inc. Torontech’s ToronVisc™ series is designed to be fully compatible in performance and functionality, but is not affiliated with or endorsed by AMETEK® or Brookfield®.

  • 5-inch touchscreen with high-resolution data display
  • Compatible with RTD temperature probe for precision control
  • Covers full STM-1 through STM-4 measurement range
  • Manual lift with robust PC lifter
  • Simultaneous KU, gram, and centipoise readouts
  • Continuous viscosity and hold readings displayed
  • Built-in printer interface for quick results
  • Accurate linear calibration through software
  • Meets ASTM D562 and GB/T 9269 standards
  • Power supply: 100V–240V with excellent anti-interference design

ModelSTM-2T
Range40–141 KU / 32–1099 g / 27–5,274 cP
Speed200 RPM
Container1 pint
SpindleKU1-10 paddle
Accuracy±1.0% of full scale (FSR)
Repeatability±0.5% (FSR)

Request Quote

Back to Main Page

Related Articles

Displaying 1 - 7 of 7
How Does a Viscometer Work? The Expert Answer

How Does a Viscometer Work? The Expert Answer

In many industries—from pharmaceuticals to coatings—if your fluid materials don't perform correctly, your final product's quality is compromised. The way a fluid behaves is a flat-out make-or-break condition for success. This brings us to the core question for any quality team: how does a viscometer work to control these critical properties? At Torontech, we've built our expertise on helping clients master this very challenge.  The key property is viscosity, and knowing how viscometer works is your first step to ensuring your specifications are met every time. It operates by…
Measure Viscosity Without a Viscometer: A DIY Guide

Measure Viscosity Without a Viscometer: A DIY Guide

We work with businesses across dozens of industries, and we see how a fluid's properties can dictate the success of a production run. The core issue is often viscosity—a liquid's refusal to flow. Think about the stark difference between honey and water.  Water is cooperative; it pours instantly from a container, is easy to pump, and mixes without much effort. Honey, on the other hand, fights you every step of the way. It clings to the sides of a vat, stretches, and flows at a crawl, demanding more energy and time to move from point A to point B. Getting a handle on that specific…
Featured image of Rheometer vs Viscometer: The Right Business Choice

Rheometer vs Viscometer: The Right Business Choice

Nothing disrupts a business more than an inconsistent product batch.  We believe achieving product consistency shouldn't be a matter of guesswork, which is where the discussion on the difference between viscometer and rheometer begins. They both assess how your materials flow, but they are entirely different tools.  We're here to provide a direct assessment of which one is the right fit for your operations.The Core Difference: A Quick Number vs. a Complete AnalysisSo, what is the real difference when you compare a viscometer and rheometer? It all comes down to the kind of…
Featured image of Viscosity vs Density The Key Difference

Viscosity vs Density: The Key Difference

If your operations involve handling liquids, you have to know exactly how they behave.  As a long-time supplier, we at Torontech have seen that relying on guesswork is a recipe for operational headaches. Getting a solid grip on your fluid properties isn't just a minor detail; a clear understanding of viscosity vs density is central to the entire process.Viscosity vs. DensitySo what truly separates these two when we look at density vs viscosity? The difference is fundamental, and it's a distinction every plant manager needs to master. First, let's talk about density. The…
Featured image of Viscosity and Temperature: A Guide to Process Control

Viscosity and Temperature: A Guide to Process Control

It's a common observation in production environments: getting fluids to behave consistently is a primary operational challenge, largely because of the complex interplay of viscosity and temperature. When a viscosity test fails to meet standards, we have found the source of the issue is often this temperamental relationship.  Countless resources can be spent on problems that could be traced back to how the temperature on viscosity was affecting the material. Gaining control over the temperature dependence of viscosity is not an academic exercise; it is a direct path to more efficient…
Featured image of Dynamic vs Kinematic Viscosity The Difference

Dynamic vs Kinematic Viscosity: The Difference

For any business that works with fluids, getting a handle on how they behave is a critical part of the operation. It can often be a persistent challenge to pin down a liquid's properties, and mistakes here can be costly.  People use the term "viscosity," but the story has two sides: dynamic and kinematic. From our experience, knowing the difference in the dynamic vs kinematic viscosity discussion is what separates a smooth viscosity testing from an expensive operational problem. Here, we'll outline the key distinctions, look at their real-world uses, and show you the simple…
Viscosity Testing - Best Methods, Tools, and Industry Use Cases

Viscosity Testing: Best Methods, Tools, and Industry Use Cases

Viscosity testing helps you understand how fluids flow under specific conditions. Whether you're working with paint, adhesives, or syrups, knowing how your material behaves can prevent production delays, product failures, or application issues. Accurate viscosity data allows you to choose the right material for the job. It also helps maintain product consistency, supports quality control, and guides equipment selection. This article walks you through the most reliable methods, what tools to consider, and how different industries rely on viscosity testing every day.What Is Viscosity?…