Standard operating procedures for clean benches 1 purpose Establish operating procedures for the clean bench. 2 Scope of application Applicable to the operation of the ultra-clean workbench in the microbial limit examination room. 3 responsible QC inspector. 4 content 4 . 1 It is strictly forbidden to store unnecessary items in the ultra-clean work area to keep the clean air flow pattern unchanged. 4 . 2 Monthly measurement of the average wind speed in the working area with an anemometer. If it is found that it does not meet the technical standards, the regulator should be adjusted to change the input voltage of the fan so that the workbench is in good condition. 4 . 3 Before going to work, the cleaner must clean the environment around the workbench and purify the air. 4 . 4 Before the operator enters the ultra-clean work area, he must wear clothes, pants, hats, gloves, etc. in the buffer room, and try to avoid the action of obviously disturbing the airflow pattern. 4 . 5 When using the workbench, the ultraviolet sterilizing lamp should be turned on 500 minutes in advance to clean the microorganisms accumulated on the surface of the workbench in the work area. After 300 minutes , the sterilization lamp is turned off and the blower is started. 4 . 6 After the work is completed, clean the work surface with 0.1% Xinjieer, turn off the blower, turn on the UV lamp for 30min , and turn off the power after the Zui. Using ultra-clean bench operation record table Date Operator Instrument condition Remarks Shangyu Xingxing Instrument Equipment Co., Ltd. is located in Daoxu Town, Shangyu District, Shaoxing City, Zhejiang Province. It is an enterprise integrating production, product research and development, processing and trade. The company's main products: drying box series, incubator series, laboratory muffle furnace series, distilled water series, as well as clean workbench, air shower, fume hood, biological safety cabinet and other complete purification equipment. The company has a strong technical research and development team, a strong after-sales guarantee service system, is the linger of the Chinese laboratory complete sets of equipment manufacturers, welcome customers to buy. Micro Prism A prism is a polyhedron made of transparent materials (such as glass, crystal, etc.). It is widely used in optical instruments. Prisms can be divided into several types according to their properties and uses. For example, the "dispersion prism" that decomposes the composite light into the spectrum in a spectrometer is more commonly used is an equilateral prism; in a periscope, binocular telescope and other instruments, the direction of light is changed to adjust its imaging position. "Reflecting prisms" generally use right-angle prisms.
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