The analysis of the causes of hot and cold impact test cases cannot be started
Using hot and cold impact test box users should have experience greatly, often machine can't normal boot, especially for a long time useless, it is easier to appear such circumstance. Tony instrument small make up then tell you how to analyze and solve the problem of cold and hot shock test chamber can't normal boot. L, hot and cold impact test chamber refrigeration unit condenser shall be monthly maintenance regularly, keep clean. Using the condenser vacuum cleaners are scattered heat supply network on adhesion of dust gettering or boot after using qualitative hard hair brush or with high pressure gas mouth blown clean of dust. Dust can make the compressor condenser attached high voltage switch tripping and produce false alarms. 2, cooling, as a core part of the test chamber, must inspection once half a year all copper pipe leaks, etc. , each function fitting and welding mouth, oil leakage, if any, should be dealt with immediately. 3, sample test after their time, must be in the off state and staff must wear good dry, electricity, heat resistance gloves take put the samples. 4, hot and cold impact test chamber open closed or from the trunk test samples, the samples with the door seal shall not contact, in case of sealing strip was damaged or shorten life. 5, internal maintenance error, test cases before the operation should be removed to internal impurities; Clean at least once a year or more in the working chamber should be using vacuum cleaner to clean indoor dust gettering. 6, hot and cold impact test chamber clean enough, around the test chamber and at the bottom of the floor to keep clean, in order to avoid a large amount of dust produced in the suction unit accident and reduce the performance. 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. You are welcome to inquire.
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Personal protective equipment must meet specific performance requirements before it can be used in demanding workplace environments. ISO, EN, and ASTM standards provide important test methods and performance requirements for different PPE categories. However, the applicable standard depends on the product, intended application, target market, and specific protection requirements.
This guide explains the role of ISO, EN, and ASTM standards in PPE testing and introduces common requirements for safety footwear, protective gloves, protective clothing, masks, and safety helmets. It also explains how laboratories can select suitable PPE testing equipment according to the applicable test method.
The Heat Contact Machine GT-C101 is a specialized testing instrument designed for evaluating the heat resistance and thermal protective performance of gloves, protective clothing, and other heat-resistant materials used in high-temperature environments. In industries such as smelting, casting, welding, and glass manufacturing, workers are frequently exposed to intense heat, making accurate testing of contact heat resistance essential for ensuring safety and compliance.
GT-C101 simulates real working conditions by measuring heat transfer delay and thermal transmission under instant contact with high-temperature surfaces. Fully compliant with EN 407, EN 702, and ISO 12127-1 standards, this machine provides precise, repeatable data for manufacturers, laboratories, and research institutions. With high-temperature capability up to 500°C, advanced calorimetry, digital monitoring, and adjustable contact speed, the Heat Contact Machine GT-C101 is an indispensable tool for developing and certifying next-generation PPE and heat-insulation materials.
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