Dynamic Vapor Sorption (DVS) Analysis

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Dynamic Vapor Sorption (DVS) Analysis

The dynamic vapor sorption method is used in laboratories world-wide to examine the intriguing moisture sorption behaviour of materials. DVS is used in the industry as well as in academia. It is applied in pharmaceutics for salt-screening and to analyse polymorphism. In food research it is used in stability and shelf-life studies as well as to investigate moisture migration between ingredients in a food product. DVS helps to develop sophisticated packaging materials by measuring the water vapor permeability of films and foils. It is also a valuable tool to asses the caking behaviour of powdered and granular material during transport, storage and handling. In building physics it is used to analyse water uptake and release of insulation and construction materials made of wood, plaster, fibres or concrete. In the electronic industry moisture induced failure of componenents is of interest. Originally developed for pharmaceutical research, dynamic vapor sorption nowadays is used in a continuously growing number of DVS applications.

Company Profile

ProUmid was founded in 1990 as a manufacturer of customer-specific instruments and test-setups.

Focusing consistently on analytical equipment for precise control of humidity and temperature, over the years ProUmid developed a product range of advanced multi-sample dynamic vapor sorption instruments and humidity generators.

Development and manufacturing of our instruments is based in Germany. Our motivation is to serve the analytical market with unique instruments of highest quality.

ProUmid – 30 years of excellence in moisture analytics !

ProUmid head office in Ulm, Germany

Company profile and history of products:

2019

Product launch of the Powder Conditioner that enables moisture equilibration of powers or granules at precisely controlled relative humidity as pre-treatment for analysis of bulk properties using equipment such as powder rheometer, flow tester, caking tester or ring shear cell.

2018

A new MCC reference standard for sorption measurements is introduced. The former CRM 302 material that had become a standard for the validation of water vapor sorption instruments was discontinued by the Institute for Reference Materials and Measurements in 2015.

2017

ProUmid strengthens sales activities in Asia. Establishment of the Beijing, China sales office.

2015

Product launch of the Vsorp moisture sorption analyser.

2014

ProUmid moves into a new, larger premises.

2013

The powerful MHG100 humidity generator goes into production.

2012

“PMT Analytical GmbH & Co. KG” changes name to “ProUmid GmbH & Co. KG”.

Introduction of the 4th model of SPS series, the vapor sorption analyzer SPSx-1µ-Advance. Due to the extremely high repeatability of the balance (better than ± 2 µg RMS), sample quantities from ‹10 mg up to 22 g can now be analysed at full resolution.

2009

Product launch of the Modular Humidity Generator MHG32 for controlled relative humidity directly at the test object.

ACHEMA 2009: Presentation of the SPSx-1µ with integrated powerful Raman sensor.
The combination of gravimetric sorption analysis with a Raman spectrum provides important new information about the moisture-induced behaviour of materials.

2008

The series of the SPS vapor sorption analyzers is extended by two models:
The versatile SPSx-1µ-High-Load with a balance resolution of 1µg and a load range of up to 220g for large and voluminous samples.
High-resolution with the sorption system SPS23-100n with 0.1µg balance resolution for demanding applications in pharmaceutical pre-formulation.

1999

The first SPS sorption test system is delivered to the Institute for Pharmaceutical Technology of the University of Innsbruck.
The instrument has been working perfectly for more than 20 years and is still being used each and every day.

Since 1997

Focus on instruments for the analysis of the moisture-induced behaviour of materials.

1990

Establishment of the company initially as a sole proprietorship “Projekt Messtechnik”, later conversion to “PMT Analytical GmbH & Co. KG” with the object development, manufacture and sale of analytical instruments.