LLE205000

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Float and Level Sensors enable us to accurately and efficiently measure the level of liquid in any environment. In particular, the LLE205000 series of float and level sensors are developed to automate the monitoring and control of liquids in many different industrial and commercial applications. This article will discuss the application field and working principle of the LLE205000 series.

As a common type of float and level sensor, the LLE205000 series is rather flexible and widely used. It can be applied in process vessels, water wells, holding tanks, tanks from other industries, wastewater tanks, fluid reservoirs, industrial cooling, sump pumps, and hazardous area pumps. It can also be used in pressure and temperature control systems. Furthermore, the LLE205000 series can be applied to diesel fuel monitoring systems and remote monitoring systems, smoke pit control systems, and level control systems, to name a few.

In addition, the LLE205000 series is designed with great resistance to corrosive media, making it suitable for use in a variety of harsh environments. It has an operating temperature range of -40 ℃ to 85 ℃, making it suitable for a wider range of applications such as extreme environments in food and chemical production as well as in water treatment. Moreover, special configuration options are available for specially designed components and materials.

In terms of the working principle of the LLE205000 series, the float can move up and down with the level of the liquid, and sends an electrical signal through a conductive liquid connection. This electronic signal operates the switch, and then allows for analog output signals for other types of level monitoring. The rise and drop of the liquid level will be indicated by the output signals may be 0/4 – 20 mA DC, 2 – 10 V DC, or PNP/NPN output switching signals. The advantage of having a 4 - 20 mA DC output means that a signal is sent directly to the controller. This output signal can be connected to relays, PLCs, or other devices to control the process.

The switch and electrical connection portions of the float are sealed with a special elastomer seal with NBR-Viton for extreme abrasive, corrosive and chemical applications. And the elevated environment temperature will not affect the accuracy of the measurement, with the switch design provides more reliable signals. In addition, the LLE205000 series is also designed with an adjustable operating point that allows the control point to be changed according to customer needs.

To sum up, the LLE205000 series is a type of float and level sensors that is widely used in many industries. It provides reliable electrical signals and analog output signals, durable components and materials, and resistance to extreme corrosive environments. The adjustable operating point also makes it more convenient as well as customizable to meet customer’s needs.

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