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Lovis 2000 M/ME: Cutting-Edge Rolling-Ball Viscometer
Anton Paar’s Lovis 2000 M/ME rolling-ball viscometer can be used to measure a ball’s rolling time through transparent and opaque liquids. This is carried out according to Hoeppler's falling ball principle.
The Lovis 2000 M/ME is routinely used in R&D applications throughout the chemical and pharmaceutical industries. It is mainly used for measuring the viscosity of low-viscous liquids.
This instrument can yield useful measurement data such as a polymer's molar mass, dynamic viscosity, and intrinsic viscosity.
Key Features
For R&D Applications
Small sample requirements - from only 100 μL
Simple sample recovery
Wide viscosity range from 0.3 mPa.s to 10,000 mPa.s
Exceptional accuracy
Wide temperature range from 5 °C to 100 °C (41 °F to 212 °F) without counter-cooling; or as low as -30 °C (-22 °F) with counter-cooling
Variable inclination angle to enable investigations of shear-dependent flow behavior
For Pharmaceutical and Medical Laboratories
US and European pharmacopoeia compliance
Optional pharma qualification packages
Large sample throughput via flow-through filling
Use in conjunction with other Anton Paar instruments to measure density, refractive index, pH value, and turbidity.
For the Chemical Industry
Hermetically closed system suitable for testing volatile or toxic samples
Autosampler-based automatic filling capabilities
Ability to test opaque samples
Excellent chemical resistance (PCTFE or borosilicate glass)
Innovative features for polymer measuring and evaluation
Technical Specifications
Source:Anton Paar GmbH
| Viscosity | |
|---|---|
| Viscosity range | 0.3 mPa.s to 10,000 mPa.s |
| Repeatability s.d. | up to 0.1 % 1) |
| Accuracy | up to 0.5 % 1) 2) |
| Temperature | |
| Temperature range | 5 °C to 100 °C (41 °F to 212 °F) without counter-coolingDown to -30 °C (-22 °F) with counter-cooling |
| Repeatability s.d. | 0.005 °C |
| Accuracy | 0.02 °C |
| Measuring time | |
| Resolution | 0.001 s |
| Accuracy | 0.05 % |
| Further specifications | |
| Test duration | minimal 30 s, typical 3 min |
| Sample volume | 0.1 mL to 0.8 mL |
| Inclination | 15° to 80° in 1° steps |
| Repeatability s.d. | 0.02 ° |
| Accuracy | 0.1 ° |
| Shear rate | 0.5 s-1 to 1000 s-1influenced by capillary size and inclination |
1)depends on sample type and measuring settings,without changing the ball2)for the range in which the calibration constant was determined,not including uncertainty of reference standards
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