characteristics of contact and non contact type sensors
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Contact sensor detect the change in position, acceleration, force, torque etc. at the end effecter, whereas non-contacting sensor detect presence, distance, features of work piece etc.contact sensing may be of various typessuch as, touch and force sensing, proximity or displacement sensing, slipsensing.
In many industrial applicationsresistance temperature detectors (RTDs) and thermocouples are common standardized contact sensors. Unlike contact sensors,noncontact sensors aren’t as main-stream and many types are not standardized, making widespread industrial use more problematic. Despite the prevalence of instructive pamphlets and manuals the accompany devices, there still remains a certain lack of understanding that surrounds how noncontact sensors operate. Just like contact sensors, there are several different types of noncontact sensors intended to service an array of applications.
In many industrial applicationsresistance temperature detectors (RTDs) and thermocouples are common standardized contact sensors. Unlike contact sensors,noncontact sensors aren’t as main-stream and many types are not standardized, making widespread industrial use more problematic. Despite the prevalence of instructive pamphlets and manuals the accompany devices, there still remains a certain lack of understanding that surrounds how noncontact sensors operate. Just like contact sensors, there are several different types of noncontact sensors intended to service an array of applications.
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Name any two non contact transducer
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