Non-contact level measuring instrument – ELL external level gauge

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Liquid level measurement is an important task in industrial production. As one of the most crucial parameters in industrial processes, it, along with temperature, pressure, and flow rate, is referred to as the \"four key parameters in industry\". Regarding level measurement, from the simplest on-site direct-reading glass plates to complex, intelligent, high-precision radars, servo level gauges, and external level measuring instruments, there have been significant improvements in terms of measurement accuracy, stability, and reliability! The ELL external level gauge, invented by Dinghua Electronics in 1990, measures the exact height of the liquid surface from outside the container, enabling true isolated level measurement. It was the first of its kind in the world, with technology that is at the leading level both domestically and internationally; it represented a technological revolution in level measurement techniques. The ELL external level gauge measures the liquid and gas inside a container without any contact with them; its installation and maintenance require no drilling or use of fire, making it extremely safe and reliable. It is also easy and quick to install and maintain. It is widely used in industries such as petroleum, petrochemicals, chemicals, storage and transportation, military fuel depots, power generation, pharmaceuticals, and new energy. It has been employed for a long time in various containers holding nearly a hundred different types of media in over a thousand enterprises at home and abroad, earning high praise from users worldwide. The instrument does not come into contact with either the liquid medium inside the container or the gaseous medium inside it. It effectively solves the world-class technical challenge of measuring liquid levels under extremely harsh and demanding conditions such as strong corrosion, high toxicity, high pressure, flammability and explosiveness, high purity, and the absence of microbial contamination. Since the external level gauge does not come into any contact with the liquid inside the container, it is extremely safe and reliable to use. Its installation and maintenance are particularly simple, and it is an environmentally friendly instrument that can be widely used for the continuous and accurate measurement of the liquid level in various containers. Over these hundred years, every technology applied in the field of level measurement has been led by foreign companies, which have produced many high-quality products and established many well-known global brands. Chinese companies have played a very limited role in this process. Dinghua Electronics’ external level measurement technology is a world first in this field; its significance is equivalent to that of establishing a new ‘school’ within level measurement, one that can be compared to the ‘Radar School’ and the ‘Servo School’ in this industry!