Permeability
influence of material on magnetic flux, gases or liquids as they pass through.
See Also: Magnetic Permeability, Soil
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Gas Permeability Tester
QT-GPT
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Gas Permeability Tester- QT-GPT series is used to test the gas transmission rate (GTR) of packaging material by differential pressure method.
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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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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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Product
Moisture Permeability Tester
DRK501D
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Shandong Drick Instruments Co., Ltd.
It is used for the determination of water vapor permeability of rigid foam plastics and other materials.
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Vapour Permeability Measurement System
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Mass Spectrometer vapour permeability measurement system which works across every gas or group of gasses used in modern engineering. This is important as vapour permeability issues effect many performance and safety critical aspects across the engineering industries.
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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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Water Vapor Permeability Analyzer
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Guangzhou Biaoji Packaging Equipment Co., Ltd.
GBPI Water Vapor Permeability Analyzer used to test the water vapor transmission rate (WVTR) of packaging materials, such as plastic film, composite film, coextrusion film, aluminum-plated film, aluminum foil.
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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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Product
Magnet Permeability Meter
List-Magnetik FerroPro
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The List-Magnetik FerroPro compact permeability measuring device can determine the relative magnetic permeability (µr) of materials and structural parts within the range of 1,000 to 5,000. It is ideal for testing materials, especially ferromagnetic materials, to provide precise NDT (non-destructive testing) data.
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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
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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Product
Water Vapour Permeability Tester
TF165B
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TESTEX Testing Equipment Systems Ltd.
Water Vapour Permeability Tester, to determine the resistance of textiles and textile composites (particularly action wear fabrics) to water vapour penetration. Water Vapour Permeability Tester complies with BS 3424/7209, etc.
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Product
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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Product
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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Oxygen Permeability Testers
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Oxygen permeability is the ability of a barrier material to oxygen to permeate through it in a specific time. Oxygen permeability may vary with temperature, humidity, pressure and specimen thickness.
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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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Product
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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Product
Medical Masks Differential Pressure Tester
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Sataton Instruments Technology CO., Ltd
Medical face mask differential pressure tester also called mask breathility tester is to determine the breathability of medical face mask materials. The tester can measure the differential pressure (Delta P) required to draw air through a measured surface area at a constant air flow rate is used to measure the air exchange pressure of the medical face mask materials. By providing the suction air through the holding sample, the tester can measure the Delta P by differential pressure transducer. It is to determine the air permeability and using comfort of the materials for medical mask.
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AC Hysteresis Graph Test System
DX-2012M
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Automatic measurement of the dynamic magnetic hysteresis loop of oriented and non-oriented silicon steel under the condition of 50 Hz, 60 Hz, 400 Hz and 1 kHz, accurate measurement of the static magnetic characteristic parameters such as amplitude permeability μa, loss angle δ, specific total loss Ps, remanence Br and coercivity Hc. With special testing fixture, it can directly measure the iron core and stator core of the transformer.
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CTGcalc™ Software
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CTGcalc™ is a Windows application that sets up microwave network analyzers, acquires measured S-parameter data, and analyzes the acquired data for CTG’s various measurement fixtures. CTGcalc™ allows the user to extract complex dielectric permittivity, magnetic permeability, or sheet impedance of the measured specimens.
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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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Strength Testing
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Sataton Instruments Technology CO., Ltd
Air permeability tester is professional designed to determine the permeability of materials to air. By testing the rate of flow of air passing perpendicularly through a given area of tested sample under a given pressure over a given time period, the tester can provide results of air permeability performance by calculation the indices. The air permeability testing instrument is applicable to many type of materials, including industrial fabrics, nonwovens, made-up textiles, paper and board, foam and other materials.
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Product
Split Core Current Transformers
LZCK-55
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Beijing GFUVE Electronics Co.,Ltd.
Outdoor waterproof current transformers are applicable for AC power system 35kV and measurement of current of power supply equipment below 10KV also can be used for microcomputer protection. This type of current transformer employs imported silicon steel which with high permeability as magnetic material, has the characteristics of Small magnetic circuit loss and can be split, its semicircular core and secondary windings employ high quality epoxy resin vacuum, casting in plastic-case(ABS or PC) which is flame retardance anti-moisture, stable performance, no maintenance.
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Product
Air Permeability Tester
TF164B
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TESTEX Testing Equipment Systems Ltd.
Our Air Permeability Tester determines the resistance of fabrics (woven, knitted and non-woven textile materials) to the passage of air (air flow) under constant pre-set air pressure while firmly clamped in the test rig of selected test head/area.The specimen is loaded to the test area of the instrument easily by means of a pneumatic holder. By pressing down the holder to start the test. The air permeability tester is equipped with a vacuum pump to draw air through an automatic interchangeable test head with a circular opening. The pre-selected test pressure is automatically maintained, and after a few seconds the air permeability of the test specimen is digitally displayed in the pre-selected unit of measure on the touch panel after test the holder is released and the vacuum pump is shut off.
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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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Product
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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Product
400/5A CHEAP SPLIT CORE CAST RESIN CURRENT TRANSFORMER
LZCK310-10
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Beijing GFUVE Electronics Co.,Ltd.
LZCK series outdoor waterproof current transformers are applicable for AC power system 35kV and measurement of current of power supply equipment below 10KV also can be used for microcomputer protection. This type of current transformer employs imported silicon steel which with high permeability as magnetic material, has the characteristics of Small magnetic circuit loss and can be split, its semicircular core and secondary windings employ high quality epoxy resin vacuum, casting in plastic-case(ABS or PC) which is flame retardance anti-moisture, stable performance, no maintenance.
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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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Materials Test Equipment
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Materials test equipment and accessories for determining how materials interact with electromagnetic fields, by calculating permittivity and permeability. Accurate measurements of these material properties helps engineers achieve the best performance for an application, while shortening the design cycle and minimizing material scrap.
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DC Hysteresis Graph
DX-2012SD
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Automatic measurement on basic magnetization curve and magnetic hysteresis loop under static state of soft magnetic material, accurate measurement on static magnetic characteristic parameters such as initial permeability µi, maximum permeability µm, saturation magnetic induction Bs, remanence Br, coercive Hc and hysteresis losses Pu.
