{"id":6557,"date":"2026-05-22T11:39:57","date_gmt":"2026-05-22T03:39:57","guid":{"rendered":"https:\/\/chnsensor.com\/?p=6557"},"modified":"2026-05-25T09:59:52","modified_gmt":"2026-05-25T01:59:52","slug":"micro-flow-sensors-technology-selection-and-applications","status":"publish","type":"post","link":"https:\/\/chnsensor.com\/ko\/micro-flow-sensors-technology-selection-and-applications\/technical-support\/","title":{"rendered":"\ub9c8\uc774\ud06c\ub85c \uc720\ub7c9 \uc13c\uc11c \uc774\ud574\ud558\uae30: \uae30\uc220, \uc120\ud0dd \ubc0f \uc751\uc6a9"},"content":{"rendered":"

Precision is vital in modern fluid control systems. Therefore, selecting the right micro flow sensor<\/strong>s is essential for engineers and product designers. These compact devices measure incredibly small flow rates with high accuracy. Consequently, they are widely used in medical equipment, coffee machines, and water purifiers. In this guide, we will explore how these sensors work and how to choose the right model for your project.<\/p>\n\n\n\n

Core Technologies: Hall Effect vs. Optical<\/strong><\/h4>\n\n\n\n

Currently, there are two primary technologies used in a micro flow sensor. Understanding the difference is the first step in making a selection.<\/p>\n\n\n\n

1. Hall Effect Technology<\/strong> A Hall effect sensor contains a magnetic rotor. When water flows through the chamber, the rotor spins. Furthermore, this spinning creates a magnetic field change, which generates a pulse signal. This output is highly stable.<\/p>\n\n\n\n

For general home appliances, the SEN-HZ06FB Micro Water Flow Sensor<\/a> is a highly reliable choice. If you need standard POM plastic materials, you have excellent options. For instance, the SEN-HZ06K Plastic Flowmeter<\/a> perfectly handles flow ranges from 0.25 to 2.5 L\/min. Similarly, the SEN-HZ06C POM Flow Sensor<\/a> supports a wide operating voltage of DC 3-24V. Moreover, if your system requires a specific G3\/8 thread size, the SEN-HZ83K Hall Flow Sensor<\/a> provides seamless mechanical integration.<\/p>\n\n\n\n

\"Pulse<\/figure><\/div>
\"Plastic<\/figure>
\"\"<\/figure><\/div><\/div>
\"\"<\/figure><\/div><\/div><\/div><\/div><\/div>\n\n\n\n

2. Optical Sensing Technology<\/strong> Optical sensors operate differently. They use an infrared light emitter and receiver. As the internal impeller rotates, it interrupts the light beam. Consequently, the sensor outputs an NPN pulse. This technology completely separates the fluid from the electronic components. Therefore, it is ideal for drinking water and precise dosing.<\/p>\n\n\n\n

\n
\n
\"Transparent
Photoelectric flow sensor made of high-transparency and temperature-resistant PCTG material: no risk of magnetic adsorption, visible fluid dynamics to the naked eye, and supports customized wire length.<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n

Choosing the Right Material for Safety<\/strong><\/h4>\n\n\n\n

Material selection is just as important as the sensing technology. Standard industrial water systems often use POM plastic because of its durability. However, food and beverage applications require higher standards.<\/p>\n\n\n\n

If you are designing equipment for precision dosing, food-grade materials are mandatory. In this case, PCTG is an industry standard. For example, the SEN-GD06C Micro Optical Flow Meter<\/a> features a 6mm inner diameter and PCTG food-grade housing. This ensures complete safety for drinking water. Additionally, the SEN-GD06K Optical Model<\/a> offers the same strict food-grade compliance and extreme precision for flow rates as low as 0.02 L\/min.<\/p>\n\n\n\n

Key Applications in Industry<\/strong><\/h4>\n\n\n\n

A high-quality micro flow sensor improves product performance across various industries.<\/p>\n\n\n\n