Gester Instruments | Professional Textile, Footwear and PPE Testing Equipments Manufacturers Since 1997
Hot and cold impact test cases of operating instructions
Hot and cold impact test box with six box wall surface heat transfer coefficient is differ, some have line hole part such as heat conduction, the heat and cold impact test box box wall temperature is not uniform, so that the walls of radioactive substances known as hot nor even, can harm the temperature uniformity of hot and cold impact test box. Sometimes, of course, may also be a box wall heat transfer is not smooth, cause thermal damage, such as hot or cold leakage is easy to pay thermal hazard will appear exhaust system temperature difference, high temperature box temperature increase with the temperature in the cabinet exhaust system, cold box of the exhaust system temperature is lower than the temperature in the cabinet, this kind of exhaust system test of temperature difference also makes the case led to the uneven temperature in the cabinet. Before applying the high and low temperature box must grasp the following in advance, avoid to cause uneven temperature. In cold and hot shock test chamber operation, unless it is in to do as far as possible to open the case, otherwise please do not need to open the electric casually tail gate, because the operation of open end door can cause the following effects: 1, high temperature and moisture in the body break cases lead to damage to the body; Tail side door remains hot guy in the process of operation cause harm; High temperature gas may open the safety accident alarm caused by errors; 2, experiments in the process of the whole power master switch cover to the refrigeration unit has certain damage; Unless is the test requirements, often don't suggest that consumers in the process of running the entire distribution cupboard door. 3, when using the high and low temperature box make sure is the safe coefficient of grounding system, and ensure the wire connection and zero line cable sheath, prevent damage of electrostatic induction or mechanical equipment; 4 the installation position of gauze, dry bulb temperature must be accurate, generally is hung on the water head nearly a temperature sensor, to mechanical energy to take appropriate air relative humidity. 5, leakage protection switch and overtemperature protection equipment such provide inspection and worker safety maintenance of mechanical equipment, detailed inspection must be on time; 6, hot and cold impact test chamber in operation, to handle the check, avoid by all means to prevent safety accident or injured by the actions of the fan to cause risk; 7, not part of the equipment work may not be the constant temperature and humidity equipment machinery incubator machine equipment maintenance and inspection. And during the inspection, in addition to the clerk, for, moreover must have the professional welder and circuit maintenance guy, prevent unclear guy on line automatic reclosing, resulting in the safety accident risk. The above explanation is the hot and cold impact test box operating instructions, hope can help you, if you want to learn more about information about hot and cold impact test chamber, welcome to the online consulting service or call the company service hotline ( Website top right corner) For consultation, we will wholeheartedly provide high quality service for you! Tags: & nbsp hot and cold impact test cases
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Ball Burst Method (ASTM D3787): Steel ball penetration for textiles/films using testers like GT-C02-2.
Hydraulic Method (ISO 13938.1): Fluid pressure on rubber diaphragm for industrial fabrics via GT-C12A.
Pneumatic Method (ISO 13938.2): Compressed air for breathable materials tested with GT-C12B.
Results are influenced by raw materials, yarn properties,
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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