Viscopedia | A free encyclopedia for viscosity.

Comparison of Instrument Categories

Choose two instrument categories to compare their possibilities and restrictions.

Rotational Viscometer / infinite-gap geometryRotational Viscometer / concentric cylindersStabinger ViscometerTMGravimetric Capillary Viscometer / manualGravimetric Capillary Viscometer / automaticHouillon ViscometerHoeppler ViscometerRolling Ball Microviscometer
Rotational Viscometer Rotational Viscometer Stabinger ViscometerTM 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 20,000 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 -56°C -40°C -40°C +20°C -60°C -30°C
Temperature - max typically ambient 180°C +105°C +200°C +200°C +120°C +150°C +100°C
Liquid bath thermostat required no yes no (counter cooling for temperatures < 5 °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 (fast test, using compressed air for drying) 2 < 20 up to 75 2 manual: 10 / flow-through: 20
Measuring accuracy approx. 20 % > 3 % < 1 % < 1 % < 1 % approx. 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 approx. 0.5 m² approx. 0.5 m² approx. 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> ASTM D7042, ASTM D396, ASTM D975, ASTM D1655, ASTM D2270, ASTM D2502, ASTM D2880, ASTM D6074, ASTM D6448, ASTM D6823, ASTM D7152, ASTM D7566, ASTM D7666 ISO 3104, ISO 3105, ASTM D445, ASTM D446, IP 71, BS 188, USP <911> ISO 3104, ISO 3105, ASTM D445, ASTM D446, IP 71, BS 188, USP <911> ASTM D7279 DIN 53015, ISO 12058 USP <913>, corresponds to DIN 53015 and ISO 12058

 

 

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