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The AVAIN LABS® Touch Screen Digital Automatic Viscometer (AL-22A) delivers precise, automated fluid viscosity measurements for industrial laboratories, quality control, and scientific research applications. Designed with an intuitive LCD touch screen interface and powered by an accurate stepping motor system, the AL-22A offers reliable, repeatable results across a broad viscosity spectrum from 20 to 2,000,000 mPa.s. Equipped with RTD real-time temperature monitoring and linear calibration capability, this automatic viscometer ensures exact testing standards for chemicals, pharmaceuticals, coatings, and food processing analysis.
Technical Specifications
| Feature / Parameter | Technical Specification |
| Model | AL-22A |
| Measuring Range | 20 – 2,000,000 mPa.s |
| RPM (Rotational Speed) | 0.3, 0.6, 1.5, 3, 6, 12, 30, 60 |
| Standard Spindles | #1, #2, #3, #4 standard configuration |
| Measurement Accuracy | ±1.0% of range |
| Repeatability | ±0.5% |
| Display | LCD Touch Screen |
| Temperature RTD Sensor Probe | Integrated / Included |
| Data Output | RS 232 Interface |
| Power Supply | AC 220V / 50Hz (Wide range power supply: 100V–240V) |
| Dimensions (L x W x H) | 400 x 350 x 360 mm |
| Net Weight | 9 Kg |
Key Features & Highlights
Advanced Stepping Motor Drive: Guarantees precise, noise-free, and highly reliable continuous operation.
Interactive LCD Touch Screen: Clear, instant readout of all key measurement parameters and fluid performance dynamics.
Auto Range Display: Automatically calculates and shows maximum viscosity ranges for selected spindle/RPM combinations.
Integrated RTD Temperature Probe: Continuously monitors sample thermal conditions during testing for heightened accuracy.
Smart Safety Alarm: Sounds an automatic alert if measurement falls below 20% torque threshold to prevent accurate-reading errors.
Linear Calibration & Timing: Built-in timer function and multi-point calibration options maintain strict standard compliance.
Seamless Connectivity: RS 232 interface allows effortless data logging and connection to PC or external printing devices.
Included Standard Accessories
1 x Ascending and falling rack set
1 x Protective frame of rotor
4 x Rotors (#1, #2, #3, #4 each)
1 x Power adapter
1 x Spanner
1 x Screwdriver
1 x Socket set