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 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? 77-720 Stud Sensor 200 Instructions STHT77403 - Stanley® Stud Sensor 100? Instructions 77-200 IntelliSensor Pro Stud Sensor Instruction Manual Comments 0 comments Please sign in to leave a comment.