Microwave design for moisture measurement with temperature compensation

EP1331476.pdf [100 Kb]

microwave stray field sensor

EP1437588.pdf [105 Kb]

In-line measurement of granule water content in a fluidized bed dryer using microwave resonance technology as a novel PAT tool
[ Oracle Abstract (Frau Caroline Buschmüller, Pharbil Waltrop GmbH) at the "2nd European Congress on Life Process Technology"; Technopharm, Nürnberg [03/2007]

Introduction - Process analytical technologies (PAT) are to be implemented in modern drug development and manufacturing processes as demanded by the U.S. drug regulatory office FDA [1]. Today, only a few analytical technologies, e. g. nearinfrared spectroscopy (NIR), are available to meet the FDA requirements. The key problem in the drying process of solid particulates, like granules or pellets, is the control of the solvent residuals and in particular, the water content or moisture of the granules...

abstract_03_07.pdf [210 Kb]

A MOISTURE CONTROL SYSTEM for Animal Feed Production
[Feed Compounder, March 2007, S.26-27, by Phil Johnson (Datastor Systems Ltd), sales agent from Döscher & Döscher in the UK]

AT LAST! A moisture control system for animal feed production that really works and delivers a good return on investment. If you were to ask feed mill managers what aspect of their process causes them the most frustration and was the most difficult to control what would the answer be? We have asked and the answer from a sizeable majority of managers was their inability to consistently control finished product moisture effectively. So what are the problems?

Feed Compounder_03_07.pdf [210 Kb]

IOP Publishing - Stray field ring resonators and a novel trough guide resonator for precise microwave moisture and density measurements
[Measurement Science and Technology; 18, S.1061-68]

Abstract: The paper first describes the design and construction of two different kinds of quasi-planar stray field ring resonators for microwave moisture and density measurements, which are typical for the state of the art, and then the practical performance of such sensors....

msat_2007.pdf [810 Kb]

Präzise und schnell - Dichteunabhängige Feuchtemessung mit Mikrowellen
[Verfahrenstechnik 38 / 2004, Nr.3, S.27]

Sorry, only in german available: Verfahrenstechnik_03_2004.pdf [260 Kb]

[Holz- und Kunststoffverarbeitung HK-Sonderdruck,
11 2003]

One of Germany's largest fibre board production plant uses microwave technology to optimise process control.

Combining_Economy_and_Ecology.pdf [198 Kb]

Feuchtemessung mit Mikrowellentechnologie
[GIT 01 / 2003]

Sorry, only in german available: git_01_2003.pdf [46 Kb]

Die Dichte ist egal
[Zeitschrift "PROCESS", Vogel-Verlag, Jahrgang 2002, Nr. 11, S.44-45]

Sorry, only in german available: process_11_2002.pdf [396 Kb]

Microwaves Help to Assure Quality
[Bulk solids handling 05 / 2002]

Hamburg, Germany - Moisture content is an essential product parameter in a number of bulk goods. However, the measurement method needs to fulfil a number of requirements to be usable in practice. A new two-parameter measurement method, the MoistureScan, can now help to fulfil all these requirements at once...

bulk_solids_handling_05_2002.pdf [48 Kb]

Moisture Measurement goes electromagnetic
[Tobacco Journal 05/ 2002]

Moisture measurement with microwaves allows a quick and exact determination of product qualities. AMS, a German manufacturer of quality control equipment, has developed a new technology to avoid the commonly occurring effect of density dependence…

tobacco_journal_05_2002.pdf [151 kb]