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Tag: permeation
Performing Automated EPA Audits Using A DAS For The Thermo Scientific Model 81i Mercury Calibrator And Model 84i Permeation Source
2014-09-01 10:44:30| pollutiononline Downloads
Externally perform an EPA Audit on the Thermo ScientificTM Model 81i Mercury Calibrator by means of the Modbus protocol using the Model 84i Permeation Source in the Mercury Freedom System.By Jeremy Whorton and Bryan Marcotte, Thermo Fisher Scientific
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Present Situation and Trend of Permeation Testing
2014-06-20 06:00:00| Industrial Newsroom - All News for Today
With the strengthening of testing on food and pharmaceutical packaging materials, the promotion of permeation testing has found favorable opportunity.<br /> <br /> 1. Present Situation<br /> At present, the common instruments for permeation testing are of differential pressure method for gas transmission rate testing and weighing method for water vapor transmission rate testing. Besides, equal pressure method for gas transmission rate testing and electrolytic method for water vapor ...This story is related to the following:Permeability Testers
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Permeation Standards support trace light hydrocarbons.
2014-06-09 14:32:14| Industrial Newsroom - All News for Today
Using FlexStream™ + Flex GF™ gas standards generator and Series 57 Gas Permeation Tubes, trace concentration mixtures of C1-C3 hydrocarbons can be prepared. Dynamically mixed concentrations from less than 10 ppb to over 1,000 ppm are available with single dilution for pure compounds. Series 57 tubes use controlled pressure of analyte vapor as permeate source to control extremely low flows of very high pressure gases for blending very low concentration mixtures in single step. This story is related to the following:Test and Measuring InstrumentsPermeation Tubes |
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Oxygen Permeation Tester offers fully automated operation.
2014-03-26 13:30:37| Industrial Newsroom - All News for Today
OX-TRAN® Model 2/22 H can carry out oxygen transmission rate testing on all types of barrier materials. Set via integrated touchscreen, automation features include RH, temperature, pressure, flow, and testing. When testing film with unknown characteristics, auto test feature determines optimal parameters and conducts test. Connectivity options enable remote viewing/control, and sequential testing allows film to be tested at multiple temperature/RH conditions without operator involvement. This story is related to the following:Oxygen Indicators | Permeability Testers |
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Thermo Scientific Model 84i Mercury Permeation Source Datasheet
2014-01-31 11:20:54| pollutiononline Downloads
The Model 84i source can support up to two co-located* Mercury Freedom Systems. The dual built in output ports switch between the co-located system or can alter the flow to (700sccm) to flood the two Model 80i analyzers simultaneously. The Model 84i source is designed to install into the existing system rack or can be used as a standalone bench top mercury source.
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