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Density Measurement Redefined

publication date: Jan 22, 2019
 | 
author/source: Anton Paar GmbH

Density-measurement-redefined


In 1967 Anton Paar built and presented the first-ever digital density meter.

Now, after more than 50 years of incremental improvements, Anton Paar has redefined digital density measurement by inventing a groundbreaking new measuring principle, the Pulsed Excitation Method (PEM), and launching an entire new portfolio of digital density meters.
Pulsed Excitation MethodA new heart, a new start

The measuring principle – Pulsed Excitation Method – provides unmatched sensitivity regarding bubbles, particles, and sample homogeneity. It also provides the density meter with three times more information about the sample’s characteristics than any conventional method.

The whole design of the measuring cell guarantees stable results unaffected by any external influences such as frequently changing users with different filling styles.

This results in density meters with:

The highest precision: The Pulsed Excitation Method (PEM) results in a viscosity correction of results for high viscosity samples which is two times better, and therefore gives unparalleled repeatability and reproducibility.

Viscosity insight: For Newtonian fluids, PEM delivers the viscosity in addition to the density value (accuracy: 5 % in the range from 10 mPa·s to 3,000 mPa·s).

More confidence: PEM has a more reliable bubble and particle detection in the filled sample and monitors the condition of the measuring cell.

FillingCheck™ for metal oscillators: Due to PEM, filling error detection is now also available for instruments with metal oscillators for measurements up to 150 °C.

 

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