{"product_id":"resource-882","title":"CBL Motion Detector","description":"\u003cp\u003eThe motion detector is like the automatic range finder on a Polaroid camera. This sonar device emits ultra-sonic pulses at a rate adjustable between 10 and 50 times per second. The time it takes for the reflected pulses to return is used to calculate distance, velocity and acceleration. The range is 0.5 to 6 metres. It can be used with the MPLI, ULI, or CBL.\u003c\/p\u003e","brand":"Nova Scotia School Book Bureau","offers":[{"title":"Default Title","offer_id":43661792313404,"sku":null,"price":158.0,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/nssbb.ednet.ns.ca\/fr\/products\/resource-882","provider":"Nova Scotia School Book Bureau","version":"1.0","type":"link"}