How to solve the problem of shortage of constant temperature and humidity box of flow
If in the constant temperature and humidity box of flow is insufficient, how to solve? At the time of operation and constant temperature and humidity box, always meet the problem of insufficient compressor exhaust, how should solve? Then Tony instrument by us small make up to fight experience to tell you how to solve this problem! First, inlet filter failure: 1) Fouling blocking 2) Reduce displacement 3) The suction is too long (4) Pipe diameter is too small, the increase of the suction resistance affects the volume, to clean the filter regularly. Second, compressor speed reduces reduce displacement: 1) Air compressor use undeserved, because of air compressor exhaust is according to certain altitude, design of suction temperature and humidity of 2) When using it in exceeds the standard on the plateau, inspiratory pressure reducing, displacement will reduce. Three, cylinder, piston, piston ring wear, super bad, make relevant clearance increases, increase leakage, affected the displacement. Fourth, the stuffing box is lax, produce a flat lower the volume. 1) The first reason is the gland itself made unsatisfactory; 2) Second may be due to the installation, is bad for the piston rod and stuffing box center, develop blemishes, strain cause air leakage; 3) Generally in filling grease in the packing, it can play the role of lubrication, sealing and cooling. Five, high low temperature test chamber compressor suction, exhaust valve fault influence on displacement. Six, between valve seat and valve disc fell into pieces of metal or other sundry, lead to closed lax, form a gas leak. Seven, valve spring force of matching with the bad. Eight, the clamping force of pressure valve. Pressure force is small, flat, too tight or not, of course, can make the valve cover deformation and damage. If in the constant temperature and humidity box of flow is insufficient, how to solve? Through the above Tony instrument small make up in detail, the user should have a clear on this issue solution! ( Instrument co. , LTD is located in the songshan lake high-tech industrial park, the most innovative features huazhong university of science and technology mechanical nc manufacturing engineering research and software research and development core team, professional production and research and development of all kinds of furniture testing instruments, toys, textile testing instrument testing instruments and general testing instrument. Welcome to inquire)
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The air permeability tester is a high-precision testing instrument designed to evaluate the breathability of PPE materials, textile fabrics, non-woven fabrics, woven fabrics, and industrial filter media. It plays a critical role in quality control, product development, and laboratory research across multiple industries including PPE, textiles, automotive interiors, and filtration systems.
Modern instruments such as the GT-C27 Air Permeability Tester are developed with advanced sensor systems, automated control logic, and multi-standard compatibility to ensure reliable and repeatable results. Complying with global standards such as ISO 9237, ASTM D737, DIN 53887, and GB/T 5453, it guarantees internationally recognized testing performance.
With high automation, accurate pressure sensing, and flexible unit conversion systems, air permeability testing equipment significantly improves testing efficiency while reducing human error. It is widely used in PPE manufacturing, textile engineering, non-woven product development, and industrial filtration quality inspection.
Choosing the right abrasion testing equipment is essential for obtaining accurate and repeatable wear resistance results. DIN Abrasion Tester and Taber Abrasion Tester are two widely used abrasion testing machines, but they are designed for different material types and testing purposes.
This article provides a detailed comparison between DIN Abrasion Tester and Taber Abraser, covering their working principles, specimen requirements, industry applications, standard compliance, technical characteristics, operation features and practical advantages. DIN Abrasion Tester is mainly designed for rubber, elastic materials, tires, conveyor belts and footwear soles, while Taber Abrasion Tester is suitable for flat materials such as coatings, textiles, plastics, leather, metals and decorative surfaces.
By understanding the differences between these two abrasion testing methods, laboratories can select the most suitable abrasion tester based on sample geometry, testing standards and production quality control requirements.
Cut resistance is one of the most critical performance indicators in personal protective equipment (PPE) testing, directly affecting worker safety in high-risk industries such as metal processing, machinery manufacturing, and emergency rescue. The TDM Cut Test Machine GT-KC28 plays a vital role in accurately evaluating the cut resistance of PPE products, including gloves, protective clothing, footwear materials, composite materials, rubber, and industrial textiles.
By adopting high-precision force control systems, intelligent data processing, and stable transmission technology, the GT-KC28 TDM Cut Tester can accurately measure the critical cutting force of materials and ensure excellent repeatability and comparability of test results. Its user-friendly touch-screen operation, comprehensive data storage, USB data export, and built-in thermal printer greatly improve laboratory efficiency and data traceability.
The TDM Cut Test Machine GT-KC28 fully complies with major international and national standards such as ISO 13997, EN 388, ASTM F2992/F2992M, ANSI/ISEA 105, and GB 24541-2022, making it a reliable solution for PPE manufacturers, third-party testing laboratories, and research institutions. Through precise and standardized cut resistance testing, the GT-KC28 helps reduce industrial cutting injuries, supports PPE certification across global markets, and ensures that protective equipment delivers reliable safety performance in real-world applications.
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