Viscopedia | A free encyclopedia for viscosity.

Comparison of Instrument Categories

Choose two instrument categories to compare their possibilities and restrictions.

Rotational Viscometer / open beakerRotational Viscometer / concentric cylindersStabinger Viscometer™Gravimetric Capillary Viscometer / manualGravimetric Capillary Viscometer / automaticHouillon ViscometerHoeppler ViscometerRolling Ball Microviscometer
Rotational Viscometer Rotational Viscometer Stabinger Viscometer™ Gravimetric Capillary Viscometer Gravimetric Capillary Viscometer Gravimetric Capillary Viscometer Falling Ball Viscometer Rolling Ball
infinite-gap geometry / open beaker Concentric cylinder systems Automatic Manual Automatic Semi-automatic Manual Automatic
model for medium viscosity materials (R) model for high shear/high torque measurements Ubbelohde Ubbelohde Houillon Hoeppler Microviscometer
Measured quantity torque torque rotational speed, frequency time time time time time
Calculated quantity dynamic viscosity dynamic viscosity dynamic / kinematic viscosity, density kinematic viscosity kinematic viscosity kinematic viscosity dynamic viscosity (density required) dynamic / kinematic viscosity (density required)
Viscosity range - min 100 mPa.s 1 mPa.s 0.2 mPa.s 0.3 mm²/s 0.3 mm²/s 2 mm²/s 0.5 mPa.s 0.3 mPa.s
Viscosity range - max 4.000.000 mPa.s 109 mPa.s 30,000 mPa.s 100,000 mm²/s 100,000 mm²/s 2000 mm²/s 70,000 mPa.s 10,000 mPa.s
Temperature - min typically ambient -20°C -60°C -40°C -40°C +20°C -60°C -30°C
Temperature - max typically ambient 180°C +135°C +200°C +200°C +120°C +150°C +100°C
Liquid bath thermostat required no yes no (counter cooling for temperatures < -20°C) yes yes yes yes no (counter cooling for temperatures <+5°C)
Temperature change with same filling limited yes yes no no no no yes
Automation possible no no yes no yes yes no yes
Sample volume - typical 500 mL 1 to 90 mL 5 mL 18 mL 25 mL < 1 mL 40 mL starting from 0.1 mL / typ. 1.5 mL
Solvent volume - typical --- --- 7.5 mL 30 mL 40 mL < 10 mL --- manual: 5 mL / flow-through: 10 mL
Sample throughput - max / h --- --- 30 (ultrafast test, single determination) 2 < 20 up to 75 2 manual: 10 / flow-through: 20
Measuring accuracy ~ 20 % < 3 % < 1 % < 1 % < 1 % ~ 2 % < 1 % < 1 %
Shear rate control no yes no no no no no no
Shear rate calculation no yes yes no no no no yes
Lab space < 0.25 m² < 0.25 m² < 0.25 m² ~ 0.5 m² ~ 0.5 m² ~ 0.5 m² < 0.25 m² < 0.25 m²
Standards and norms e.g. ASTM D2196, ASTM D2393, ASTM D2556, ASTM D2669, ASTM D2983, ASTM D3232, ASTM D5133, USP<912> DIN 1342, DIN 53019, EN/ISO 3219, DIN 54453 (double gap systems), USP <912> e.g. ASTM D7042, ASTM D4052, ASTM D1655, ASTM D2270, ASTM D2501, ASTM D2502, ASTM D2161, EN16896, ISO12185 ISO 3104, ISO 3105, ASTM D445, ASTM D446, IP 71, BS188, USP<911> ISO 3104, ISO 3105, ASTM D445, ASTM D446, IP 71, BS188, USP<911> ASTM D7279 DIN 53015, ISO 12058 USP <913>, corresponds to DIN 53015 and ISO12058

 

 

We offer typical values which are based on the values in brochures and standards but are not related to specific instruments.