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Laboratory ultra-low temperature freezer use maintenance and maintenance

Lab, ultra-low temperature freezer maintenance and maintenance to prolong its life and normal use is particularly important.

if not accurate temperature control the saved objects often lead to damage to cause great influence to the experimental results, thus affecting the normal conduct of research work. So we need to do in the process of use of cryogenic refrigerator for regular maintenance and maintenance, cleaning at least once a month, to ensure the purity of the cryogenic refrigerator.

with dry cloth to remove the internal and external and ultra-low temperature freezer accessories on a small amount of dust, if the cryogenic refrigerator too dirty to use neutral detergent, wash thoroughly with clean water after washing. Cryogenic refrigerator compressors and other mechanical parts do not need to use the lubricating oil. Clean the fan at the back of the cryogenic refrigerator compressor please be careful. Clean after the completion of security checks to ensure cryogenic refrigerator power cord plug is good, don't pick up, make sure that the plug without abnormal heat distribution of power cables and wires, ultra-low temperature freezer back no cracks and nicks.

when meet alarm start alarm, the first thing to check whether the power of the ultra-low temperature freezer have questions or whether the plug is pulled out of the socket, the second check internal thermometer is beyond the scope of the right, in such a case, items will make in cryogenic refrigerator, and trigger the alarm, the last check whether one-time into too many items.

the ultra-low temperature freezer cooling is not fully check the evaporator surface:

the first shearing section. at cryogenic refrigerator have frost;

if the second cryogenic refrigerator door switch too often;

the third whether the ultra-low temperature freezer back contact metope, cryogenic refrigerator inside whether put too many items.

cryogenic refrigerator noise is too big, check whether the floor is solid, ultra-low temperature freezer is stable. Activities such as instability, set screws in order to make the four firmly supported on the floor; If there were any objects come into contact with the back of the refrigerator.

as long as do the daily maintenance of cryogenic refrigerator and maintenance, will make the ultra-low temperature freezer to achieve the best working condition.

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