Level Measurement Becomes Non-Invasive And Non-Contact

There are a growing number of industries such as off shore oil and gas, chemicals, petrochemicals, pharmaceuticals, food and others where a non-invasive measuring system is vital to the minimization of the risk of leaks or emissions and to protect processes, people and the environment. Non contact measuring technologies may also be required in order to reduce exposure or wear in corrosive or abrasive conditions, resist high pressure or continue to function in high temperature process conditions.

Nucleonics measuring gauges that can monitor level, density, interface and weight are the ultimate solution for non-contact measurement applications. The detectors are completely unaffected by the conditions inside by being mounted externally from the vessel or process. Also, they are easily accessed, installed or removed. The additional advantage of nucleonic detectors are that they fortuitously merge high sensitivity with no moving parts that will wear, bind, corrode or fail. In most applications, no alteration to the process vessel is needed, which means no expensive design changes to existing pressure vessels is required either These devices can also often be installed and commissioned without process shutdown. Safety for the installing crew and maximising the operational lifespan of the systems is increased by very small size detectors fitted to measure their high sensitivity.

Industries and processes that rely heavily on the use of accurate, non invasive level switch technology to ensure production is consistently high and uncontaminated can also explore a variety of non-contact measurement devices. This will also be true in the event of continuous accuracy being required in the process. Inflowing contaminated water is transported by the way of screw conveyors or pumps with the main inlet chamber level used as the only means of controlling the rate of pumping in the a large amount of sewage treatment plants. Some plants specializing in sewage treatment only on a minimum/maximum level detection, but continuous water level sensor using ultrasonic devices is proving to be greatly more effective when detecting solids in the liquid.

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