NORAC, Inc. 6667 West Old Shakopee Road, Suite 111 , Bloomington , Minnesota 55438 USA About Solutions products Publications videos Downloads Companies NORAC, Inc. Videos Spray Day or Night-Video Spray Day or Night-Video 0 Share NORAC's ultrasonic sensors do not need light to measure boom height. Take advantage of favorable spraying conditions by extending working hours well into the night with the ability to spray any time. Most popular related searches spray-fertilizer Customer comments No comments were found for Spray Day or Night-Video. Be the first to comment! Add your comment Publish your comment Great! comment successfully added!