STHT77406 - STANLEY Stud Sensor 200? Instructions Support January 27, 2021 19:19 Updated Follow Please click on the attachment below. STHT77406 S200 Final 2012-06.pdf 1 MB Download Related articles FMHT77407/STHT77407 Stanley Stud Sensor 300 Instructions How to Calibrate and Use the Stanley Stud Sensors My stud sensor just beeps when placed on my walls. Why won't it give me a good reading? 77-110 IntelliSensor Instructions STHT77404 - Stanley Stud Sensor 150 Instruction Manual Comments 0 comments Please sign in to leave a comment.