Applications for this sensor include, liquid level control, mechanical positioning, roll diameter measurement, web loop/break monitoring, asset tracking, remote monitoring, automatic filling operation, automatic packaging, bulk level control, paper and plastic film processing and many others.
The M3 wireless ultrasonic sensors stand out because of their affordability and reliability. The sensor transmits narrow beam sound pulses, processes return echoes, and produces several outputs. The measurement output is then transmitted by low power Zigbee radio to a 'gateway' and the information is presented to the user via LAN, cellular, or web portal.
Operating on internal batteries with a typical life span of 3-5 years, the M3 family of sensors has a detection range of 4 inches foot to 30 feet. The distance measurement is transmitted via Digi International Xbee radios and gateway. The M3 sensor contains advance on board diagnostics as well as many user adjustable output settings including measurement sampling rate, radio transmission rate, averaging of multiple distance measurements as well as reporting battery voltage, temperature and other parameters.
The network also allows users to remotely program their sensors and read ranges for quick integration into their remote monitoring application. Other features of the M3 ultrasonic sensor include: chemically resistant Kynar housing with 2" NPS fitting for mounting, built-in temperature compensation, diagnostic and monitoring outputs.
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