Labman
Digital Viscometer with Small Sample Adaptor ( LMDV111,LMDV222) (0.1–200 RPM, RS232C Interface)
Digital Viscometer with Small Sample Adaptor ( LMDV111,LMDV222) (0.1–200 RPM, RS232C Interface)
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Digital Viscometer with Small Sample Adaptor is designed for accurate viscosity measurement of Newtonian and non-Newtonian liquids using low sample volumes. The system combines a precision digital rotational viscometer with a compact small sample adaptor assembly, making it suitable for laboratories handling limited or valuable samples.
The instrument is available in two models, LMDV111 and LMDV222, offering different speed ranges and shear rate capabilities for various viscosity testing applications. The system features selectable stepless speed regulation, direct viscosity reading, and LCD-based display for stable and reliable measurements.
The small sample adaptor assembly consists of a coupling nut, extension link, spindle set, sample chamber, and adjustable base. It enables viscosity testing with sample volumes as low as 10–20 ml, significantly reducing sample consumption compared to conventional viscometers.
Temperature monitoring is integrated into the system, while optional refrigerated circulating bath compatibility allows controlled temperature viscosity testing for sensitive materials. The LMDV222 model additionally supports shear rate and shear force display for advanced rheological analysis.
With RS232C communication capability and multiple spindle configurations, the system is suitable for research laboratories, pharmaceutical analysis, polymers, chemicals, coatings, cosmetics, and specialty fluid testing applications.
Model Overview
LMDV111: 0.1–99.9 RPM speed range with standard viscosity testing
LMDV222: 0.1–200 RPM speed range with shear rate and shear force display
Key Features
Digital rotational viscosity measurement
Small sample adaptor for low-volume testing
Minimum sample volume of approximately 10–20 ml
Selectable stepless speed control
Direct viscosity and temperature display
LCD screen with bright backlight
RS232C interface for data connectivity
Temperature monitoring capability
Optional refrigerated circulating bath compatibility
Multiple spindle configurations for wide viscosity range
Suitable for Newtonian and non-Newtonian liquids
Compact laboratory design with stable operation
Technical Specifications
| Parameter | LMDV111 | LMDV222 |
|---|---|---|
| Measuring Range | 12 – 60,00,000 mPa.s | 6 – 6,00,00,000 mPa.s |
| Speed Range | 0.1 – 99.9 RPM | 0.1 – 200 RPM |
| Number of Speeds | 1000 | 2000 |
| Speed Type | Selectable Stepless Speed | Selectable Stepless Speed |
| Standard Spindles | L1, L2, L3, L4, 21, 27, 28, 29 | L1, L2, L3, L4, 21, 27, 28, 29 |
| Small Sample Adaptor | Yes | Yes |
| Minimum Sample Volume | 10 ml – 20 ml | 10 ml – 20 ml |
| Display | LCD | LCD |
| Shear Rate / Shear Force Display | No | Yes |
| Temperature Monitoring | Yes | Yes |
| Measurement Accuracy | ±1% FS | ±1% FS |
| Repeatability | ±0.5% FS | ±0.5% FS |
| Output | RS232C Interface | RS232C Interface |
| Power Supply | AC 220V / 50–60Hz | AC 220V / 50–60Hz |
| Dimensions (L×W×H) | 420 × 375 × 550 mm | 425 × 375 × 550 mm |
| Weight | 15 kg | 15 kg |
Applications
Low-volume sample viscosity testing
Pharmaceutical formulations
Chemical and polymer analysis
Paints and coatings testing
Cosmetics and personal care products
Research and development laboratories
Food and beverage viscosity analysis
Temperature-controlled viscosity studies
