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Xylem Analytics Blog

46 postsFilter
  • 4/2/2025
  • Dr. Klaus Reithmayer

FAQ pH measurement

In this blog article we answer to possible questions, that may occur to you during installation and operation of our instruments. We also respected common questions.more

  • 3/31/2025
  • Bellingham + Stanley

How to use a refractometer to measure alcohol content

The alcohol content of a beer, wine and cider may easily be established by combining the results of two simple test measurements, that of a refractometer (RI-Zeiss) and a hydrometer (SG). Calculation of results is by way of either a paper lookup table supplied with the refractometer or by a simple Internet calculator that can be accessed via a networked PC or web enabled mobile phone.more

  • 3/19/2025
  • Dr. Andreas Eich

Life span of the calibration of glass capillary viscometers

This article is about glass capillary viscometers. These are used to measure the viscosity of Newtonian fluids. Important standards in this context are ASTM D445, the new DIN 53000 and ISO 3104.more

  • 3/3/2025
  • Dr. Andreas Eich

Frequently Asked Questions about Viscometry

In this area we answer to possible questions, that may occur to you during installation and operation of our instruments. We also respected common questions.more

  • 1/27/2025
  • Dr. Andreas Eich

Ubbelohde viscometer: Precision in viscosity measurement

Ubbelohde viscometers are available in different versions, which are described in ISO 3105. Xylem manufactures SI Analytics® brand viscometers according to DIN 53000-1 and ASTM D445, including micro Ubbelohde viscometers for small sample volumes and special designs such as TC viscometers for automatic thermoelectric detection. These viscometers are named after Leo Ubbelohde, who applied for a patent for this type of viscometer in 1932. more

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