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There are 2 products.

Series GS Gap Switch

With a range of features, capacities, and abilities, the series GS gap switches are designed for measurement of liquid levels at a single point. Produced by the leading manufacturer with the finest raw materials, the switches use ultrasonic wave propagation between transducer gap to sense the pressure or absence of a liquid. View the complete list of products below to find the one for you, and if you have any questions concerning any of our items, please contact us at or chat with us live.