Description
Viscometer ASTM D445/446 with measuring range 1,0–5,0 mm²/s is a three-legged capillary instrument for kinematic viscosity determination of transparent liquids. It uses capillary number 0B with constant K 0,005 and has an approximate length of 283 mm. The uncalibrated glass design supports standardised flow-time measurements in line with ASTM D445 and D446 methods commonly applied in petroleum, chemical and materials laboratories. Suitable for immersion in viscosity baths, the three-limb geometry aids handling during filling, equilibration and timing of transparent sample fluids in the lower viscosity range. Offered as a single piece from manufacturer Witeg, this capillary viscometer is intended for routine quality control and research workflows where laboratories apply their own calibration where required. Its defined capillary and range of 1,0–5,0 mm²/s make it appropriate for transparent media typically encountered in analytical viscosity work. Compact overall length supports standard bath setups without unnecessary bulk.
This article is part of Viscometers, in Density & viscosity measurement.
Key features
- Pack size: 1 pc
- Capillary no.: 0B
- Measuring range: 1,0–5,0 mm²/s
- Constant K: 0,005
- Length: approx. 283 mm
- Design: three-legged, uncalibrated
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Questions about Viscometer ASTM D445 446 1.0-5.0
What is this article?
Viscometer ASTM D445 446 1.0-5.0 is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Viscometers, inside Density & viscosity measurement, in Lab instruments.
A capillary viscometer times the flow of a liquid through a tube. A rotational viscometer twists a spindle in the liquid. Both need a stated temperature. Kinematic and dynamic viscosity are different numbers. The capillary size has to put the flow time in the range the method allows.
Density is mass divided by volume. A hydrometer floats at a depth that depends on the density of the liquid. A pycnometer is a vessel of known volume that is weighed full. Viscosity is the resistance to flow. A capillary viscometer times how long a volume takes to fall through a tube. Both measurements need a stated temperature, because liquids change density and viscosity as they warm. The units trace to the BIPM and to NIST.
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The category is Density & viscosity measurement. The sub-category is Viscometers. The catalogue is Lab instruments.
Shelves beside this one are Hydrometers and Density meters & pycnometers.
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