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Jim Herbison writes to the sowacs list: ===8<============== Hi Bruce I don't want this to sound like too much of an ad but ... We manufacture a Moisture Meter that was initially designed for the textile industry (wool actually) - coming from NZ with one or two sheep this was a good market to develop the system for :-) Being a natural product and in loose fibre form with all its inherent variability - loose washed wool is probably one of the hardest materials to measure moisture in (on-line) but we have had huge success in this area with sales all over the world. From our wool application base we moved into other fibres and processes - from wood pulp, to non-woven processing, HealthCare & Sanitary products, breakfast cereals, milk powder etc. We have also proven the system for dried vegetables. Our system uses a unique adaptation of the conductivity principal and is designed to provide precise measurements in hostile industrial environments. Wool fibre is closer to a perfect insulator when dry but we can still measure to 0% moisture; our system is immune to normal variations in product thickness and density; is not affected by surface characteristics such as colour and texture; it can measure moisture in materials with highly variable and uneven moisture levels etc. If anyone wants more detail they can contact me on j.herbison@streatsahead.com Jim Herbison > -----Original Message----- > From: Bruce -owner of sowacs [mailto:bruce@sowacs.com] > Sent: Tuesday, 18 November 2003 9:58 p.m. > To: Bruce Metelerkamp > Subject: Fwd: RE: Re: Fwd: Soil Moisture Meters suitable for use in > dried fruit? > > Bakker, Gerben writes to the sowacs list: > ===8<============== > I am not an expert on this issue, but isn't is better to measure the > water retention, because cels in crops react to the osmotic potential? > Or measure the volumetric water content and at the same time the volume > with an intelligent optic device. Just thinking loud. > > Greetings, Gerben > > -----Original Message----- > From: Bruce -owner of sowacs [mailto:bruce@sowacs.com] > Sent: dinsdag 18 november 2003 7:52 > To: Bruce Metelerkamp > Subject: Fwd: Re: Fwd: Soil Moisture Meters suitable for use in dried > fruit? > > > > Cliff Hignett writes to the sowacs list: > ===8<============== > A device based on the principles of the neutron moisture meter is used > routinely in minerals processing to measure water content of minerals > on conveyor belts. I have also had contact with people measuring > water content on dried blood with a theta probe - worth a try but > remember the theta probe measure volume water content - so density of > your fruit would be critical. > My feeling is that some form of infra red or microwave system could be > made to work. If you want to follow up get in touch privately. > (cliff.hignett@soilwater.com.au) > > > > > Bruce -owner of sowacs wrote: > > > > Jason D. Emiliusen writes to the sowacs list: > > ===8<============== > > > > I am involved in a design project where we are drying fruits(like > > apples) and we need to know the moisture content of the shredded fruit > > throughtout the drying process. I was wondering if a soil moisture > > meter would work for this application or if anyone knew of something > > that would work. > > Thanks. > > > > [Bruce comments > > I will be interested to hear of other users' replies to this, as it > > may well be possible that some of the simpler ready-to-use sensors > could > > be put to this use. > > However, there are two more suitable products listed on my new website > under the categories > > Moisture Content : hay > > Moisture Content : grain/seed > > > > Environmental Sensors Inc. (ESI) supplies the Gro*Point(tm) which is > > designed for just this function. > > > > Measure Instruments: > > MI-7 - Moisture analyser with interchangeable sensors and > programmable. > > SH-7 - Moisture, temperature and weight sensor for grains, powders, > granules and triturated product. > > SH-6 - Moisture sensor for bales of hay cubes, silopack, soils, cotton > cubes and grains. > > SH-5 - Moisture sensor for hay row, woods, paper, cheeses, granules > and powders. > > SH-3 - Moisture and temperature sensor for soils and grounds. > > ST-2 - Temperature sensor for soils, liquids, hay cubes and grains. > > > > Admittedly these are unusual requirements (from a soil point of > view:), > > and there are not many suppliers yet listed on these pages... > > > > Bruce] > > > -- > Cliff Hignett > Soil Water Solutions > 45a Ormond Avenue > Daw Park > South Australia 5041 > 61 (08) 8276 7706 > cliff.hignett@soilwater.com.au > www.soilwater.com.au > ===8<============== NOTE: To get off this list, send an email to list@sowacs.com with the subject line: unsubscribe_sowacs For full instructions see this page: <http://www.sowacs.com/subscribe/index.html>