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What is the meaning of the fan flow unit CMF?
This refers to the fact that the Coriolis Mass Flow Meter (CMF) is a novel instrument that directly and precisely measures the mass flow rate of fluids, and its unit is; Its ft3/min, 1m3/s=2119ft3/min
2. What are the functions and classifications of flow meters?
Classification by medium: Liquid flow meters and gas flow meters are classified by measurement method: velocity type (such as vortex flow meters, swirl vortex flow meters, turbine flow meters, ultrasonic flow meters, etc.); Differential pressure flowmeter (orifice flowmeter, V-cone flowmeter, etc.); Volumetric flow meters (elliptical gear flow meters, Roots flow meters, membrane gas meters, etc.); Mass flow meters (Coriolis mass flow meters, calorimetric mass flow meters, etc.); Open channel flow meters (Bacher troughs, triangular weirs, etc.) 1. Velocity flow meters 2. Differential pressure flow meters are flow meters that calculate flow rates by measuring the differential pressure generated by flow detection components installed in industrial pipelines, taking into account known fluid conditions and the geometric dimensions of the detection components and pipelines. The differential pressure flowmeter consists of a primary detection component and secondary instruments (differential pressure converter or transmitter and flow display instrument). Differential pressure flow meters are classified in the form of detection components, including orifice flow meters, Venturi flow meters, and averaging tube flow meters. Secondary instruments include various mechanical, electronic, and electromechanical integrated differential pressure flow meters, differential pressure transmitters, and flow display instruments. Differential pressure flow meters are the most widely used flow meters in the flow instrument family. Currently, they have been serialized, standardized, and popularized both domestically and internationally. Differential pressure flow meters can measure flow parameters independently, as well as other parameters such as pressure, level, and density. The detection components of differential pressure flow meters can be divided into several categories according to their operating principles, including throttling devices, hydraulic resistance, dynamic head type, dynamic head gain and jet type, and centrifugal type. There are two main types of test pieces: standardized and non-standard. Standard type detection components are designed, manufactured, installed, and used based on standard documents, without the need for actual flow calibration to determine their flow values and estimate measurement errors. Non standardized detection components are generally not included in international standards for detection components. Differential pressure flowmeter is also the most widely used type of flow meter, occupying the first place in the usage of various flowmeters. The main advantages are: (1) the most widely used orifice plate flowmeter has a sturdy structure, stable and reliable performance, and a long service life; (2) It has a wide range of applications and there is currently no flow meter that can be compared to it; (3) The detection components, transmitters, and display instruments are produced by different manufacturers, facilitating economies of scale production. The main disadvantages are: (1) generally low measurement accuracy; (2) narrow range, generally only 3:1-4:1; (3) High requirements for on-site inst