Besides point level measurements, liquid level sensors (alternatively known as fluid level switches) can carry out continuous measurements that indicate the level as the liquid rises and falls. The main types of liquid level sensors are – optical, capacitive, conductive, float, and pneumatic. A liquid level switch is also useful in monitoring and controlling steam pressure and is even widely used in households for fish tanks, aquariums, filtration, gardening, heating, etcetera. Regardless, one must consider some features before investing in a liquid level sensor – and this guide will well guide potential buyers.
Easy Operation is a Must
Even though using liquid level sensors is reasonably straightforward, it can get complex if the design itself is too complicated. First off, buyers need to choose between floating and float-less sensors, where the latter is much safer and easy to use. But regardless of the liquid level sensor, you prefer, make sure it has a simple structure & circuit structure plus a quick and convenient installation method. Similarly, the sensor should have intelligent features such as level memory function, display mode, benchmark adjustment, and multi-point series connection for a hassle-free setup and operation.
Premium Quality and Top-Notch Performance
Liquid level sensors are made with several different materials, but stainless steel and polypropene (PP) are most widely used due to their excellent properties. But a buyer needs to ensure the sensor/switch is constructed only with high-quality and durable materials for durability and long service life. As far as performance is concerned, the liquid level sensor must possess high stability and sensitivity, plus strong anti-interference ability, so it does not get affected by electromagnets. Since the sensors are immersed in fluids, excellent corrosion resistance, and heat resistance are all the more essential.
What Else Should a Buyer Consider?
Before purchasing liquid level sensors, buyers should check if the switch is appropriate/suitable for the requirement at hand – as some are only designed for specific purposes. One must even check the voltage & current power and working temperature & pressure range of the liquid level sensor based on the application. It is also crucial to ensure the liquid level sensor has broad compatibility with non-metallic material containers/storage tanks and general-use power adapters and connectors. Buyers must also consider an extended warranty or guarantee period.
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