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Rotational Viscometer
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Rotational Viscometer
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Rotational Rheometer
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SVM Viscometer
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Gravimetric Capillary Viscometer
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Gravimetric Capillary Viscometer
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Gravimetric Capillary Viscometer
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Falling Ball Viscometer
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Rolling Ball
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3 different models;
L: To measure low-viscosity materials; R: To measure medium-viscosity materials; H: To measure high vicosity materials
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Sample volume < 20 mL and for shear rate control
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Model for high shear/high torque measurements
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Ubbelohde
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Ubbelohde
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Houillon
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Hoeppler
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Microviscometer
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Infinite-gap geometry / open beaker
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Defined gap geometries: Concentric cylinder systems Small sample adapter systems Ultra low viscosity adapter/double-gap systems
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Concentric cyliner systems Double-gap system
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Automatic
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Manual
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Automatic
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Semi-automatic
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Manual
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Automatic
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Automation possible
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no
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no
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no
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yes
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no
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yes
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yes
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no
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yes
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Calculated quantity
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dynamic viscosity
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dynamic viscosity
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dynamic viscosity
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dynamic / kinematic viscosity, density
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kinematic viscosity
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kinematic viscosity
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kinematic viscosity
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dynamic viscosity (density required)
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dynamic / kinematic viscosity (density required)
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Lab space
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< 0.25 m²
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< 0.25 m²
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< 0.25 m²
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< 0.25 m²
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~ 0.5 m²
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~ 0.5 m²
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~ 0.5 m²
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< 0.25 m²
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< 0.25 m²
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Liquid bath thermostat required
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yes (for sample temperature control from abient to + 100 °C)
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no
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yes (for -20°C) no (0 °C to + 180 °C)
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no (counter cooling for temperatures < -20°C)
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yes
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yes
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yes
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yes
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no (counter cooling for temperatures <+5°C)
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Measured quantity
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torque
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torque
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torque
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rotational speed, frequency
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time
|
time
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time
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time
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time
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|
Measuring accuracy
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± 1% full scale range (at 100% torque)
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± 1% full scale range (at 100% torque)
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< 3 %
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< 1 %
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< 1 %
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< 1 %
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~ 2 %
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< 1 %
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< 1 %
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Sample throughput - max / h
|
---
|
---
|
---
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30 (ultrafast test, single determination)
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2
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< 20
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up to 75
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2
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manual: 10 / flow-through: 20
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Sample volume - typical
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500 mL
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2 to 20 mL
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1 to 90 mL
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5 mL
|
18 mL
|
25 mL
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< 1 mL
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40 mL
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starting from 0.1 mL / typ. 1.5 mL
|
|
Shear rate calculation
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no
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yes
|
yes
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yes
|
no
|
no
|
no
|
no
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yes
|
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Shear rate control
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no
|
yes
|
yes
|
no
|
no
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no
|
no
|
no
|
no
|
|
Solvent volume - typical
|
---
|
---
|
---
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7.5 mL
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30 mL
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40 mL
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< 10 mL
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---
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manual: 5 mL / flow-through: 10 mL
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Standards and norms
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e.g. ASTM D1084, ASTM D1824, ASTM D2196, ASTM D2364, ASTM D2556, ASTM D3288, ISO 2555, ISO 1652, USP<912>, Ph. Eur. 2.2.10
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e.g. ASTM D2983, ASTM D8210, ASTM D5133, ASTM D7110, DIN 53019, EN/ISO 3219, DIN 54453 (double gap systems), USP <912>, Ph. Eur. 2.2.10
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DIN 1342, DIN 53019, EN/ISO 3219, DIN 54453 (double gap systems), USP <912>, Ph. Eur. 2.2.10
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e.g. ASTM D7042,ASTM D4052, ASTM D1655, ASTM D2270, ASTM D2501, ASTM D2502, ASTM D2161, EN16896, ISO12185
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ISO 3104, ISO 3105, ASTM D445, ASTM D446, IP 71, BS188, USP<911>
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ISO 3104, ISO 3105, ASTM D445, ASTM D446, IP 71, BS188, USP<911>
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ASTM D7279
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DIN 53015, ISO 12058
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USP <913>, corresponds to DIN 53015 and ISO12058 ISO12058
|
|
Temperature - max
|
typically ambient
|
+175 °C
|
+180°C
|
+135°C
|
+200°C
|
+200°C
|
+120°C
|
+150°C
|
+100°C
|
|
Temperature - min
|
typically ambient
|
-45 °C
|
-20 °C
|
-60°C
|
-40°C
|
-40°C
|
+20°C
|
-60°C
|
-30°C
|
|
Temperature change with same filling
|
limited
|
yes
|
yes
|
yes
|
no
|
no
|
no
|
no
|
yes
|
|
Viscosity range - max
|
L: 6 000 000 mPa.s; R: 40 000 000 mPa.s; H: 320 000 000 mPa.s
|
100 000 mPa.s (higher values possible with small sample adapter spindles)
|
1 000 000 000 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
|
|
Viscosity range - min
|
L: 15 mPa.s; R: 100 mPa.s; H: 800 mPa.s
|
L: 1 mPa.s; R: 3 mPa.s; H: 24 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
|