small flow mass flow meter

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1. What is a mass flow meter?

1. What is a mass flow meter? Mass Flow Meter (MFM) is a precision sensor used to quickly and accurately measure the flow rate of process gases. The mass flowmeter mentioned here is mainly used for low pressure, low flow single or mixed gases, with low pressure generally below 1Mpa and a maximum of 3Mpa; The flow range is generally 0.1 sccm to 5000 slpm; Single gases such as common air, helium, argon, etc. require relative dryness and purity; For mixed gases, it is necessary to specify the type and proportion of gases. 2. What parameters can be obtained from a mass flow meter? The Yidu mass flow meter can accurately obtain five major parameters of gas: real-time temperature, pressure, operating flow rate, standard flow rate, and cumulative flow rate. The units of a mass flow meter are generally SLPM (liters per minute under standard conditions) and SCCM (milliliters per minute under standard conditions), both of which are volumetric flow units under standard conditions. The measurement scale is defined as 101.325KPa and 25 ℃. The composition of a mass flow meter: The Yidu laminar flow mass flow meter mainly consists of six parts: laminar flow components, pressure differential sensors, pressure sensors, temperature sensors, circuit design, and software algorithms. The working principle of a 5-layer laminar pressure differential mass flowmeter: The laminar pressure differential principle is designed based on the Hagenbauer law. When the temperature, pipe diameter, and other parameters are constant, the gas is in a laminar state. By obtaining the pressure differential signal at both ends of the laminar flow element, the volumetric flow rate is calculated, and then the standard volume

5, profibus, 0-5V, 4-20mA analog signals or touch screen display panel.

2. What is the unit of cmf

1. cmf is the Coriolis Mass Flow Meter (CMF), and the Coriolis Mass Flow Meter is a novel instrument for directly and precisely measuring fluid mass flow. The main structure uses two U-shaped tubes arranged side by side, causing the bent parts of the two tubes to vibrate slightly towards each other. The straight tubes on both sides will vibrate accordingly, that is, they will approach or open at the same time, that is, the vibration of the two tubes is synchronous and symmetrical.

2、 If fluid is introduced into the pipe while synchronously vibrating, causing it to flow forward along the pipe, the pipe will force the fluid to vibrate up and down together with it. In order to resist this forced vibration, the fluid will give the tube a reaction force perpendicular to its flow direction, which is called the Coriolis effect force. Under this force, the vibration of the tube is not synchronized, and there will be a difference in the timing of vibration between the inlet and outlet sections of the tube, which is called the phase time difference. This difference is directly proportional to the mass flow rate of the fluid flowing through the pipe. If the magnitude of this time difference can be detected through the circuit, then the size of the mass flow rate can be determined. 『SILVER Official Website SERVICE』