Common Failures and Maintenance of Laboratory Sterilizers

Ⅰ. Functions of laboratory sterilizers


Autoclave steam sterilizer is a device that uses saturated pressure steam to quickly and reliably disinfect and sterilize items. It is suitable for medical, scientific and agriculture usage, etc.


According to different styles and sizes, autoclave steam sterilizers are classified into portable autoclave steam sterilizer, vertical pressure steam sterilizer, horizontal pressure steam sterilizer, etc. It can sterilize medical equipment, dressings, glassware, solution culture medium, etc.


The autoclave steam sterilizer is composed of a sterilization room, a control system, a protection system (water level protection, temperature control protection, etc.), a heating system, etc. The use of high-temperature saturated water vapor can denature the protein of microorganisms and cause the death of microorganisms within a certain period of time so as to sterilize moisture-resistant and heat-resistant articles.


Ⅱ. Common failures and maintenance of laboratory sterilizers


1. Circuit: the heating system failed.


① Check whether the power supply of the heating system is normal. There will be a wiring failure of the main control machine, you need to reconnect it.


② Pay attention to whether the laboratory sterilizers trigger protection without heating; the temperature control instrument is invalid.


③ If the fuse wire is damaged or the water level sensor fails, the protection will be triggered without heating; the heating rod itself is damaged, etc.


2. The pressure cooker is heating normally without temperature display: the temperature sensor may be damaged.


3. The sterilization effect of the laboratory sterilizer is unqualified:


① Pay attention to the cleaning of the steam filter and the interlayer water needs to be removed in time.


② If the safety valve and exhaust valve leak, replace them in time.


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