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2. What are the types of flow meters?
A flowmeter is a professional automated measuring instrument, whose main function is to measure the flow rate of a flow moderator. The measuring medium includes liquid, gas, steam, mixed slurry, solid dust, etc. It is precisely the special role of flow meters that in the field of industrial automation, flow meters and sensors are called the eyes of automation systems. The measurement results are transmitted to the upper computer system, and the system integrates and analyzes the data, and then applies the preset solutions to the upstream and downstream control systems to achieve intelligent automatic control. Common flow meters include: measuring cleaning liquids such as electromagnetic flow meters, ultrasonic flow meters, vortex flow meters, mass flow meters, orifice flow meters, turbine flow meters, metal rotor flow meters, etc. Measuring gases such as vortex flow meters, V-cone flow meters, orifice flow meters, balance backup flow meters, waist wheel flow meters (Roots), gas mass flow meters, etc. Measuring steam such as orifice flow meters, vortex flow meters, bend flow meters, etc. Measuring slurries such as electromagnetic flow meters. Users should choose the correct flow meter according to the requirements of the application scenario. Choosing the wrong flow meter will not only affect the project and production, but also cause unnecessary losses to the control system. If you are interested in measuring the flow rate of liquids, you can learn about TSD electromagnetic flow meters, which have high product accuracy and are suitable for various environments.
3. Common abbreviations in biological laboratories
Common abbreviations
1. Abbreviations related to quality control: Mblk: Method blank. QC：Quality control， Quality Control. QA：Quality assurance， quality assurance RPD：Relative percent difference， Relative percentage difference. CCV：Continuing calibration verification， Continuous curve calibration. MDL：Method detection Limit， Method detection limit. LOQ：Limit of Quantitation， Quantitative limit. LQC：The lowest concentration of calibration curve， The lowest concentration point of the curve (done daily). LSK：The lowest concentration spike sample， Matrix labeling (done once a month). PRM：Primary Reference Material， Reference substance. CRM：Certified Reference Material， Certified standard substances. IRM：Internal Reference Material， Internal standard substance.
2. Abbreviations related to file names SOP: Standard Operation Procedure, Inspection Method Operation Manual.
. EOP：Equipment operation procedure， Operation manual for the use of instruments and equipment. QAM：Quality assurance manual， Quality Management Homework Manual. GL：Guideline， Guidelines for Chemical Laboratory Operations. CP：Calibration procedure， Guidelines for Internal Calibration of Chemical Laboratory Instruments. CAR：Corrective Action Record， Corrective action records. PAR：Preventive action record， Record of preventive measures.3. 5S safety related abbreviation HSE: Health and Safety Environment. MSDS：Material safety data sheet， Chemical Safety Technical Data Sheet. PPE：Personal Protective Equipment， Personal protective equipment.
Fourth, compare the related abbreviations CT: Correlation Test. PT：Proficiency Testing， Comparison testing of samples provided by exte
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