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 (
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Tags: & nbsp  hot and cold impact test cases
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