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Product Overview
The AVAIN LABS® Touch Screen Digital Automatic Viscometer (AL-22D) is designed for advanced scientific research, industrial quality control, and precision fluid analysis. Featuring 58 distinct speed settings ranging from 0.1 to 200 RPM, this high-performance rotational viscometer offers exceptional flexibility for testing low to high-viscosity liquids.
Equipped with a bright backlit LCD touch screen, an intelligent auto-scan function that automatically determines the ideal spindle and speed combination, and a precision spring torque system (673.7 Dyne-cm), the AL-22D ensures highly reliable, repeatable, and accurate viscosity measurements across demanding industrial applications.
Technical Specifications
| Feature / Parameter | Technical Specification |
| Model | AL-22D |
| Measuring Range | 20 – 60,00,000 mPa.s |
| Measurement Resolution | 0.1 mPa.s (Full scale) |
| Speed Range | 0.1 to 200 RPM |
| Number of Speeds | 58 speed settings |
| Standard Spindles | 4 Spindles (L1, L2, L3, L4) |
| Spring Torque | 673.7 Dyne-cm |
| Display | Large Bright Backlit LCD Touch Screen |
| Auto Scan Function | Automatically scans & recommends preferred rotor/speed combination |
| Temperature Monitoring | Optional Feature Available |
| Measurement Accuracy | ±1% F.S (Full Scale) |
| Repeatability | ±0.5% F.S |
| Data Output | RS 232C Interface |
| Power Supply | AC 220V / 50Hz |
| Dimensions (L x W x H) | 300 x 300 x 450 mm |
| Weight | 9 Kgs |
Key Features & Highlights
58 Versatile Speed Settings: Ultra-wide speed range from 0.1 to 200 RPM for precise rheological measurement across various liquid dynamics.
Smart Auto-Scanning Function: Automatically scans sample resistance and recommends the optimal combination of rotor and speed.
Interactive Touch Screen Interface: Provides direct readout of real-time viscosity values, speed settings, and optional temperature measurements.
Auto Range Display: Pre-calculates and displays the maximum measurable viscosity range for any chosen spindle and speed setting.
Calibrated Spring Torque System: Uses a 673.7 Dyne-cm spring torque setup for high accuracy (±1% F.S) and excellent repeatability (±0.5% F.S).
Seamless Laboratory Integration: Standard RS 232C output interface enables quick connection to external printers or laboratory data systems.
Included Standard Accessories
4 x Standard Spindles (L1, L2, L3, L4)
1 x Spindle Guard Leg
1 x Power Cord
1 x Stand Set
1 x Instruction Manual