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How to read a volumetric flowmeter? The viewing method of a volumetric flowmeter mainly depends on its type and display method. The following are several common methods for viewing volumetric flow meters: Glass rotor flowmeter: View scale tube: Glass rotor flowmeter is usually equipped with a transparent scale tube with a rotor (float) inside. The size of the flow can be determined by observing the position of the rotor in the scale tube. The punch tube of the engraver is usually marked with flow units (such as L/min, m ³/h, etc.) and corresponding scale values. The higher the rotor, the greater the flow rate. Metal tube rotor flowmeter: Check pointer indication: Some metal tube rotor flowmeters are equipped with pointers and dials, and the position of the pointer indicates the current flow value. Similar to a glass rotor flowmeter, the flow rate can be determined by reading the scale value indicated by the pointer. Viewing LCD display: Some contemporary metal tube rotor flow meters use LCD display screens to display flow values, which is more intuitive and accurate. The flow rate value is usually displayed in numerical form on the LCD screen, which may be measured in L/min, m ³/h, or other units. Electromagnetic flowmeter: Check LCD display: Electromagnetic flowmeters are usually equipped with LCD displays, which can directly read flow values on the screen. The flow values displayed on the screen may be in numerical form, as well as possible unit information. 4-20mA signal output: In addition to LCD display, electromagnetic flowmeter can also output flow information through 4-20mA current signal. This signal can be connected to secondary meters (such as recorders, controllers, etc.) for remote monitoring and data re_600x400.jpg)
2. Flow meter reading method
The flow meter reading method varies depending on the type of base height, with a focus on identifying the display area and mastering the numerical calculation logic.
. 1. The main feature of mechanical water meters is the combination structure of pointers and numbers. The reading is divided into two steps: • Integer part: directly read the black number in the center of the dial, in cubic meters. • Decimal part: Observe the surrounding red pointers. If the pointer marked with "× 0.1" points to 5, then the decimal part is 0.5 cubic meters. The total water volume is the sum of integers and decimals, for example, the black number displays 12 and the red pointer adds up to 0.5, resulting in a total usage of 12.5 cubic meters. 2. The electromagnetic flowmeter displays data directly through the display screen, and two parameters need to be considered: • Instantaneous flow rate: reflects the current flow rate, measured in liters per minute or cubic meters per hour. Accumulated flow: Record the total flow value of the device since its activation, usually in cubic meters or liters. Jian Xiang 3 The reading of vortex flowmeter is similar to that of electromagnetic flowmeter, and the key is to ide
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