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

标签：Viscometry/Rheometry

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