Series 70 ultrasonic sensors from Baumer Ltd., Southington, CT, provide long range measurement and proximity sensing for harsh environments for applications including food and beverage, logistics, packaging, and printing and graphics markets. The sensors feature 6 m detection range, slim sonic cone, and integrated temperature compensation of -25°C to 60°C, and resistance to dust, dirt, and contaminants. Series 70 offers 4 production options: 2 distance-measuring sensors (UNAM 70) with either voltage or current output and 2 two dual digital output proximity sensors (UZAM 70) with either NPN or PNP switching outputs. Solutions are offered for fill-level monitoring, paper roll diameter as well as stack height and position measurement, and reservoir level monitoring for pump control applications.
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