Water&Vapor permeability

  • Water&Vapor permeability

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Liquid Permeameter

Liquid Permeameter

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The Liquid Permeameter is used to perform fast and accurate measurements of liquid permeability. PMI's Liquid Permeameter is user-friendly, features non-destructive testing, and accommodates a wide variety of samples. The Liquid Permeameter also allows testing under ambient or elevated temperatures to simulate actual operating conditions.
 
Operation Principle
 The flow of liquid through a sample is measured by the distance a column of liquid drops in relation to time and pressure. This method gives reproducible results, even for hydrophobic materials, as pressure can be applied up to 200 psi to the liquid column to force the liquid through the sample. Very low permeability samples are tested using an accurate weighing balance to measure liquid flow rate.
 
Application
 Industries worldwide utilize the PMI Liquid Permeameter for R&D and quality control. Samples tested include filter media, membranes, paper, and battery separators.
Industries: Rock Core, Automotive, Battery, Separator, Filtration, Geotextiles, Textiles, Nonwovens, Paper, and Food.
 
Features
 · Windows-based software handles all control, measurement, data collection, and report generation; complete manual control also possible
· Compatible with Windows 95 or higher Real-time graphical test display depicts testing status and results throughout operation
· Nondestructive testing
· Length of test is approximately 10 minutes
· Wide range of acceptable sample types and sizes
· Multiple sample chambers available
· Minimal maintenance required
· A variety of materials including vegetables, meat, etc. can be tested


Technical Parameters 
Items Parameters
Permeability Range 0- 50 Darcies
Sample Size 1.75" - 2.5" diameter
Pressure Range 0 - 200 psi
Pressurizing Gas Clean, dry, compressed air
Other nonflammable, noncorrosive gas
Pressure Transducer Range 0 - 200 psi
Resolution 1 in 60,000
Accuracy 0.15% of reading
Power Requirements 110/220 VAC, 50/60 Hz, other available
Dimensions 30" H x 19 " W x 18.5" D
Weight 100 lbs

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