{"id":12056,"date":"2024-04-20T20:31:14","date_gmt":"2024-04-20T12:31:14","guid":{"rendered":"https:\/\/shchimay.com\/?p=12056"},"modified":"2024-04-21T11:15:48","modified_gmt":"2024-04-21T03:15:48","slug":"flow-sensor-different-types","status":"publish","type":"post","link":"https:\/\/shchimay.com\/ru\/flow-sensor-different-types\/","title":{"rendered":"flow sensor different types"},"content":{"rendered":"

Understanding the Different Types of Flow Sensors<\/h1>\n

Flow sensors are essential devices used in various industries to measure the flow rate of liquids or gases. They play a crucial role in ensuring the efficiency and accuracy of processes such as monitoring water consumption, controlling chemical dosing, and regulating air flow in HVAC systems. There are several types of flow sensors available on the market, each with its own unique features and applications. In this article, we will explore the different types of flow sensors and their uses.<\/p>\n

One of the most common types of flow sensors is the mechanical flow sensor. This type of sensor uses a mechanical mechanism, such as a paddle wheel or turbine, to measure the flow rate of a fluid. As the fluid flows through the sensor, the mechanical component rotates, and the speed of rotation is directly proportional to the flow rate. Mechanical flow sensors are simple, reliable, and cost-effective, making them ideal for applications where precision is not critical.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Model<\/td>\nCCT-8301A Conductivity\/Resistivity\/TDS\/TEMP Online Controller<\/td>\n<\/tr>\n
Constant<\/td>\n0.01cm-1<\/sup>, 0.1 cm-1<\/sup>, 1.0cm-1<\/sup>, 10.0 cm-1<\/sup><\/td>\n<\/tr>\n
Conductivity<\/td>\n(500~100,000)uS\/cm,(1~10,000)uS\/cm, (0.5~200)uS\/cm, (0.05~18.25) M\u03a9\u00b7cm<\/td>\n<\/tr>\n
TDS<\/td>\n(250~50,000)ppm, (0.5~5,000)ppm, (0.25~100)ppm<\/td>\n<\/tr>\n
Medium Temp.<\/td>\n(0~180)\u00b0C(Temp.Compensation: Pt1000)<\/td>\n<\/tr>\n
Resolution<\/td>\nConductivity: 0.01uS\/cm, 0.01mS\/cm; Resistivity: 0.01M\u03a9\u00b7cm; TDS:0.01ppm, Temp.: 0.1\u2103<\/td>\n<\/tr>\n
Accuracy<\/td>\nConductivity: 1.5%(FS), Resistivity:2.0%(FS), TDS: 1.5%(FS), Temp.: +\/-0.5\u2103<\/td>\n<\/tr>\n
Temp. compensation<\/td>\nWith25\u00b0C as standard under normal medium; With 90C as standard under high temp medium<\/td>\n<\/tr>\n
Communication port<\/td>\nRS485 Modbus RTU protocol<\/td>\n<\/tr>\n
Analog output<\/td>\nDouble channel (4~20)mA. Instrument\/Transmitter for selection<\/td>\n<\/tr>\n
Control Output<\/td>\nTriple channels photo-electronic semiconductor relay switch, Load capacity: AC\/DC 30V,50mA(max)<\/td>\n<\/tr>\n
Working Environment<\/td>\nTemp.(0~50)\u2103; relative humidity <95%RH (non-condensing)<\/td>\n<\/tr>\n
Storage Environment<\/td>\nTemp.(-20~60)\u2103;Relative Humidity \u226485%RH (none condensation)<\/td>\n<\/tr>\n
Power Supply<\/td>\nDC24V+\/-15%<\/td>\n<\/tr>\n
Protection Level<\/td>\nIP65 (with the back cover)<\/td>\n<\/tr>\n
Dimension<\/td>\n96mmx96mmx94mm(HxWxD)<\/td>\n<\/tr>\n
Hole Size<\/td>\n9lmmx91mm(HxW)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

Another type of flow sensor is the thermal flow sensor, which operates based on the principle of heat transfer. These sensors use a heated element and a temperature sensor to measure the flow rate of a fluid. As the fluid flows past the heated element, it carries away heat, causing a change in temperature that is detected by the temperature sensor. Thermal flow sensors are highly sensitive and can measure low flow rates accurately, making them suitable for applications where precision is essential.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Product Model<\/td>\nMFC-8800<\/td>\n<\/tr>\n
Communication port<\/td>\nThe uplink slave channel Modbus RTU protocol RS485 port is connected with DTU and DCS<\/td>\n<\/tr>\n
Downlink master channel RS485 port of Modbus RTU protocol is connected with data acquisition terminal<\/td>\n<\/tr>\n
4~20mA output<\/td>\n1 channel two-wire type  Maximum loop resistance 400\u03a9<\/td>\n<\/tr>\n
4~20mA Input<\/td>\n 2 channel channel two-wire type\uff08 initiative feed\uff09<\/td>\n<\/tr>\n
DI Input<\/td>\n                 2channels Photoelectric isolation logic switch<\/td>\n<\/tr>\n
DO Output<\/td>\n3 channels relay<\/td>\n1 SPDT  AC220V\uff1b 3A(MAX)<\/td>\n<\/tr>\n
\uff08only for drive signal\uff09<\/td>\n2 SPST  AC220V\uff1b 3A(MAX)<\/td>\n<\/tr>\n
1channel  Photoelectric switch   <\/td>\nProportional pulse\/frequency<\/td>\n<\/tr>\n
 Load capacity\uff1a100mA\/DC30V<\/td>\n<\/tr>\n
 Data acquisition<\/td>\nData acquisition collection\uff0cwith 3 channels DC24V sensor power supply  <\/td>\n<\/tr>\n
Display mode<\/td>\n3.5\u201d\uff08or 4\u201d\uff09colorful LCD touch screen<\/td>\n<\/tr>\n
Power supply<\/td>\nWide power range \uff1a\uff0812-24\uff09V<\/td>\n<\/tr>\n
Consumption<\/td>\n<5W<\/td>\n<\/tr>\n
Environment requirements<\/td>\nEnvironment temp\uff1a\uff085~45\uff09\u2103\uff1b  relative humidity\uff1a\u226490%\u3002<\/td>\n<\/tr>\n
Hole dimension<\/td>\n\uff0891\u00d791\uff09mm hole dimension\uff1bpanel dimension\uff08100*100\uff09mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

Ultrasonic flow sensors are another type of flow sensor that uses sound waves to measure the flow rate of a fluid. These sensors emit ultrasonic waves into the fluid and measure the time it takes for the waves to travel upstream and downstream. By analyzing the difference in travel time, the sensor can calculate the flow rate of the fluid. Ultrasonic flow sensors are non-invasive, meaning they do not come into contact with the fluid, making them ideal for applications where contamination is a concern.<\/p>\n