High-Temperature Touchscreen Viscometers - ToronVisc™ T3/T4
All-in-One Intelligent Viscometer for Hot Melt Adhesives, Pitch, Paraffin, and Polymers
ToronVisc™ T3 and T4 Series are advanced high-temperature rotational viscometers engineered for testing viscous materials such as hot melt adhesives, pitch, wax, paraffin, and high polymers. These all-in-one systems feature integrated temperature control, electric lifting, and a high-definition touchscreen interface for fully automated, reliable, and intuitive operation.
Whether you need routine QC or in-depth material analysis at elevated temperatures, the T3/T4 viscometers are built to deliver precise, repeatable, and stable viscosity measurements in demanding environments.

Applications
Designed for high-temperature viscosity analysis, the ToronVisc™ T3 and T4 are ideal for:
- Hot Melt Adhesives
- Bitumen, Asphalt, and Pitch
- Waxes and Paraffin
- Resins, Plastics, and High Polymers
- Sealants and Coatings
- Industrial Melt Testing and R&D Labs
With their temperature-integrated platform, user-friendly touchscreen, and robust spindle system, the T3 and T4 models offer the perfect solution for industries that demand precise viscosity control at elevated temperatures. From polymers to paraffin, these instruments are engineered to meet your toughest thermal testing challenges.
Part of the ToronVisc™ Family
Explore the complete line of Torontech viscometers—from low-viscosity benchtop units to fully programmable rheological systems
Key Features
- 7” Color Touchscreen Interface with detailed live data visualization
- Integrated Heating System with programmable temperature control
- T3 Model: Up to 250°C | T4 Model: Up to 500°C
- Electric Lift with Auto Positioning for hands-free spindle engagement
- Multi-Point Storage Modes: Single-point, continuous, or timed data logging
- Secure Calibration Control for temperature and viscosity (password protected)
- USB and Gigabit Ethernet Port for fast data transfer and connectivity
- Supports Optional SNB Software for advanced data recording and export
- Highly Stable Drive Motor for smooth performance and consistent results
- Optional Fast Cooling System available to accelerate test cycles
- 100V–240V Universal Power Supply with anti-interference protection
Model Comparison
Model | ToronVisc™ T3 | ToronVisc™ T4 |
---|---|---|
Viscosity Range | 5 – 1,000,000 mPa·s or 50 – 10,000,000 mPa·s | 5 – 1,000,000 mPa·s or 50 – 10,000,000 mPa·s |
Temperature Range | Ambient +5°C to 250°C | Ambient +5°C to 500°C |
Speed Range | 0.1 – 200 RPM | 0.1 – 200 RPM |
Spindles | SC4-21, 27, 28, 29 (optional: SC4-14, 15, 16, 18, 25, 31, 34) | Same as T3 |
Accuracy | ±1.0% Full Scale | ±1.0% Full Scale |
Repeatability | ±0.2% Full Scale | ±0.2% Full Scale |
Voltage | 100–240V AC, 50/60Hz (Output DC12V 1.5A) | Same as T3 |