Permeability
influence of material on magnetic flux, gases or liquids as they pass through.
See Also: Magnetic Permeability, Soil
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Moisture Permeability Tester
DRK501F
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Shandong Drick Instruments Co., Ltd.
The principle of moisture permeable cup weighing method is to measure the transmittance of water vapor to film, sheet, paper and other materials by weighing the weight of moisture permeable cup.
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Water Vapor Permeability Tester
WPT-304
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WPT-304 Water Vapor Permeability Tester is manufactured based on the gravimetric method and is applicable to test the water vapor transmission rate of plastic films, composite films, sheets, and other materials used in packaging, medical and constructive industry.
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Product
Oxygen Permeability Analyzers
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Guangzhou Biaoji Packaging Equipment Co., Ltd.
Y310 Oxygen Permeability Tester apply to test the oxygen transmission rate (OTR) of packaging materials, such as plastic film, composite film, coextrusion film, aluminum-plated film
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Product
Auto Water Vapour Permeability Tester
TF165B
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TESTEX Testing Equipment Systems Ltd.
Auto Water Vapour Permeability Tester, to determine the water vapour permeability of various textile and garment fabric, coating fabric, composite, sportswear and industrial fabrics. Auto Water Vapour Permeability Tester complies with ASTM E96, ISO8096, BS 3424, etc.
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Film Permeability Tester
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Film Permeability Tester is designed to test the permeability of a wide range of packaging materials such as plastic film, composite film, aluminum foil, thin sheets, rubber, porcelain, medical patch, etc.
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Gravimetric Permeability Measurement System
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Our Gravimetric permeability measurement system is designed to meet this need and is designed around a high quality solid acrylic water bath which reduces critical thermal losses.
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Gas Permeability Testers
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Gas Permeability Tester (Gas Transmission Rate Tester) is based on the differential pressure method and is professionally applicable to the determination of gas transmission rate of plastic films, composite films, high barrier materials, sheeting, metal foils, rubber, tires and permeable membrane.
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Product
Permeability Cells
Flexible Wall Permeameter
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The Permeability Cells - Flexible Wall Permeameter for Soil Samples performs permeability tests on normal and contaminated soil samples. The permeability cells are available either in brass for normal use or in stainless steel for contaminated materials. Top caps and pedestals are available for normal or contaminated materials.
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Product
Magnetic Field And Permeability Measurement
MAGNETOMAT 1.790
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Foerster Instruments, Incorporated
The MAGNETOMAT 1.790 is a measuring system for the precision detection of magnetic flux density and relative permeability. The MAGNETOMAT software is used for displaying the measured values and saving and exporting data. The wide range of probes facilitates optimal adjustment to the conditions of the application, such as the measurement of relative permeability within the scope of the quality control of stainless steel and low-permeable (non-magnetic) alloys. Further applications include the long-term monitoring of the magnetic environment, e.g. prior to installing magnetically sensitive devices, and the localization of ferrite enclosures in stainless steel and NE materials. Changes in material (sulfidation, degradation of lamination, structural changes) can also be proven thanks to permeability comparative measurements.
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Drying Time & Permeability
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When developing a coating process, it is important to know the exact time it takes for the coating to dry or cure. For multicoat paint systems, having knowledge of the drying time enables the operator to know when any subsequent layers can be applied. There are many stages involved in the coating drying time. Once a coating has been applied, it levels off under gravity, and, as the coating begins to cure, a thin dry film appears on the surface. The coating then continues to dry until, finally, it is totally cured.
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Product
Gas Permeability Tester with Differential Pressure Method
GPT-203
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GPT-203 Gas Permeability Tester is based on the differential pressure method and is professionally applicable to the determination of permeance and permeability of plastic films, composite films, high barrier materials, sheeting, metal foils.
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Paper Testing Instruments
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Whiteness and chromaciticity tester, whiteness meter, tensile stiffness tester, automatic horizontal tensile tester, automatic horizontal tensile tester, vertical tensile tester, pulp beating (refining) freeness tester, water absorbtion tester, Cobb tester, COBB sample cutter, coefficient of friction tester, electronic bending stiffness tester, paper and cardboard thickness meter, paper and cardboard thickness meter, ink rubber tester, standard strip cutter, softness tester, carton compression tester, paper air permeability tester, internal ply bond tester, puncture strength tester, paper tearing tester, electronic tearing tester, mullen burst tester, crush tester, Bekk smoothness tester, folding endurance tester
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Permeability Meters
Mk VI
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Our broad range of permeability measurements instruments are at the cutting edge of technology and give precise, reliable, easy and fast result. The instruments can be configured for almost any gas or gasses, including water vapour, hydrocarbons, O2, CO2, N2, H2 and He.
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Sensirion SHT31-DIS-B Humidity and Temperature Sensor Breakout Board
SEN-37002-F
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Breakout board for the Sensirion SHT31-DIS-F with a built-in permeable membrane filter. This sensor is an extremely accurate digital (I2C interface) temperature and humidity sensing device, with +/-0.2C temperature and +/-2% humidity accuracy typical. These specs far exceed the accuracy of ICs that came before it, including the HTU2x and SHT1x series, and improves upon the success of the SHT2x that came before it. In addition, the SHT31-DIS-B has a wide input voltage range of 2.4V-5.5V and includes temperature isolation and airflow cutouts as recommended for the optimal operation. Finally, in the case of environmental changes that could cause light condensation, the SHT31-DIS-B has a built-in heater to burn off any condensate.
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Air and Water Permeability in Concrete Both At and Below the Surface
Poroscope
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Poroscope Plus measures the time it takes for air to flow into a known volume of a sealed, evacuated chamber in the concrete. While the vacuum reduces from -55 Kpa to -50 Kpa, a measure of air permeability is determined. For water permeability, Poroscope Plus uses the same chamber filled with water, and measures the total time in seconds for a volume of 0.01 ml of water to escape.
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Oxygen Permeability Tester
T-OPT Series
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Oxygen Permeability Tester - QT-OPT series is ideal for industrial application laboratory testing of material for Oxygen permeability testing for quality control, research and development.
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Formation Damage
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Formation Response Testers (FRT) are designed to accurately measure the permeability changes of a formation sample when exposed to a variety of test fluids.
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Gas Permeability Tester
EKT-2128BR
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Windows Operation Software SystemWindows operation software system provides friendly operation environment also the following characteristics: 1. User can pre-set and save the testing specifications to save time of setting procedures before test. 2. User can choose and arrange the related coordinates such as retraction value corresponding to time and temperature. 3. After tests, all test curves and related test data can be saved and retrieved for future use.
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Product
Water Vapor Transmission Rate WVTR Tester
WPT Series
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Water Vapor Permeability Tester is based on the Gravimetric method and is applicable to the water vapour transmission rate (WVTR) test of plastic films, composite films, sheets and other materials.
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Rapid Chloride Permeability
Perma
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Giatec Perma™ is a completely re-engineered laboratory test device for the measurement of the electrical resistance of concrete against the penetration of chloride (RCPT) according to the standard methods such as ASTM C1202, AASHTO T277 and ASTM C1760. The measurement data can be used to estimate the chloride diffusion coefficient of concrete for the service life prediction and design of concrete structures as well as the durability-based quality control of concrete.
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Frazier Differential Pressure Air Permeability Tester
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The Low Pressure Air Permeability Machine was developed by the National Institute of Standards and Technology of measuring the air permeability of textile type materials. and It is the acknowledged standard of the U.S. Government and the U.S. Textile Industry. The second model, High Pressure Air Permeability Machine is produced on the same principle as the Low Pressure Machine, but designed with a much greater versatility for use through its higher attainable airflow and differential pressure. Both models are extremely accurate and reliable, very easy to operate, and nearly maintenance free.
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Water Vapour Permeability Tester
UI-FT16
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Water Vapour Permeability Tester (WVP) is applied to test the water vapour permeability of all kinds of leather.
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Product
Auto Water Vapour Permeability Tester
TF165B
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TESTEX Testing Equipment Systems Ltd.
Water Vapour Permeability Tester, also called Water Vapor Transmission Rate Tester (WVTR Tester) is to determine the water vapor permeability of various textile and garment fabrics, coating fabric, composite, sportswear, and industrial fabrics. This tester complies with ASTM E96, GB/T 12704, JIS L1099, etc.
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Magnetic Property Characteristics Measurement System (from 100kHz to 14GHz)
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KEYCOM’s magnetic property characteristics measurement system delivers ideal measurement solutions for complex permeability μr''- jμr'''', ferromagnetic resonance relaxation coefficient α, resonant line width ΔH in wideband from 100kHz up to 14GHz.
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DIGITAL TURNS TESTER AND DIGITAL LCRTZ METER
TURNS-LCRTZ
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Digital TURNS TESTER with LCR for Counting / Measuring Number of Turns for Toroidal Coils , Current Sensor , Current Transformer , Round Core Coils. Can measure, Turns along with Winding Polarity , DC Resistance , Inductance (L), Capacitance (C), DC Resistance, Rac, Q, D, ESR and Tan.Toroidal Turns Platforms :TTPT100 : 5 T - 1000 T , TTPT1000 : 500T-10000 T The Platform has 2 connections for the coil and 2 for the probe wire. Measurement principle is based on dynamic comparison of the voltage across one turn and the coil. You will be able to get the polarity or winding indication with respect to the one turn reference.Accuracy : + 0.2% + 0.5T for high and medium permeability cores at suitable test frequency. Internal Diameter must be able to pass a wire as thin as 0.2 mm. External Diameter as high as 200 mm.Test Frequency Selectable in Step : 50 Hz, 100 Hz , 500 Hz, 1 KHz, 5 KHz, 10 KHz. Test Voltage adjustable : 100mV to 1V in steps of 50mV.
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Potential Transformer Test Set
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Supreme Instrument Laboratories
The two voltage vectors, one from Standard Potential Transformer and the other from the Potential Transformer under test energies the high permeability magnetic core and then associated windings try to annual the residual magnetism which occurs due to error. The differential vectors will be proportional to phase error and ratio error magnitudes.
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S-Parameter Measurement System
DPS08
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KEYCOM provides S-parameter method measurement systems in two modes, the reflection mode and the transmission mode, to address the individual purposes. Both modes measure the complex permittivity (εr) and complex permeability (μr) at the same time, and the proper usage is as follows.
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Water Vapor Permeability Tester
QT-WVP
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Qualitest Water Vapor Permeability Tester QT-WVP series is used to test the water vapor transmission rate (WVTR) of packaging materials.
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Trace Moisture Analyzer
PPM1
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Model PPM1 is a trace moisture analyzer designed specifically for monitoring moisture levels in dew point and PPM units. This trace moisture analyzer utilizes an electro-chemical (P205) sensor in combination with a proprietary semi permeable diffusion membrane.
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Magnetic Permeability Meter Ferromaster
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Instrument for easy measurement of the relative magnetic permeability µr of feebly magnetic materials and workpieces with a permeability between 1.001 and 1.999. The permeability is measured by touching the workpiece with the probe tip and reading the result from the display. Typical applications are: non-destructive testing of materials, e. g. quality control of stainless steel, material selection for electron-/ion-beam equipment, detection of material defects induced by mechanical or thermal stress.
