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Rolling-ball viscometer:
Lovis 2000 M/ME
- Measures dynamic viscosity and relative viscosity from only 100 µL of sample
- Powerful polymer software automatically delivers intrinsic viscosity, molar mass, K-value, and more
- Referenced in US and European Pharmacopoeia
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Lovis 2000 M/ME is a rolling-ball viscometer which measures the rolling time of a ball through transparent and opaque liquids based on Hoeppler's falling ball principle. The instrument is mainly used for viscosity measurements of low viscous liquids for R&D applications, in the pharmaceutical and chemical industries. A measurement with Lovis 2000 M/ME can yield dynamic viscosity, intrinsic viscosity, molar mass of a polymer and more.
Key features
For R&D
- Small sample amount (starting from 100 μL)
- Sample recovery
- Wide temperature range (-30 °C to 100 °C /-22 °F to 212 °F)
- Wide viscosity range (0.3 mPa.s to 10,000 mPa.s)
- High accuracy
- Variable inclination angle for testing shear-dependent flow behavior
For pharmaceutical and medical labs
- Included in US and European Pharmacopoeia
- Pharma qualification packages available
- Optional modular combination with Anton Paar instruments for measuring density, refractive index, turbidity and pH value
- Flow-through filling for large sample throughput
For the chemical industry
- Hermetically closed system for volatile or toxic samples
- High chemical resistance (borosilicate glass or PCTFE)
- Special polymer measuring and evaluation features
- Automatic filling using autosampler
- Testing of opaque samples
Technical specifications
| 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 | ||
| 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-1 influenced by capillary size and inclination | ||
| 1) depends on sample type and measuring settings, without changing the ball | |||
| 2) for the range in which the calibration constant was determined, not including uncertainty of reference standards | |||
Standards
ASBC
Beer-32: Viscosity (International Method)
Wort-13B: Viscosity Rolling Ball Method
DIN
53015
DIN EN ISO
12058-1
Ph. Eur.
2.2.49 - FALLING BALL VISCOMETER METHOD
USP
911 - Viscosity (Capillary Viscometer Methods)
913 - Rolling Ball Viscometer Method
Anton Paar Certified Service
The Anton Paar quality in service and support:
- More than 350 manufacturer-certified technical experts worldwide
- Qualified support in your local language
- Protection for your investment throughout its lifecycle
- 3-year warranty
Documents
-
Chemicals | Viscosity and Density Measurement of Ionic Liquids/Solvent Mixtures Application Reports en
-
Medical | Lovis 2000 M/ME and DMA 4500 M: Viscosity Measurement of Whole Blood Application Reports en
-
Pharma | Lovis 2000 M/ME and pH ME: Viscosity and pH of Nasal Sprays or Eye Drops Application Reports en
-
Printing Ink: Gauging the Viscosity to Fine-Tune the Particle Size Calculation Application Reports en
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