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STANLEY Stud Sensor 100 (S100)
Model: Stud Sensor 100 / S100 / STHT77403 · US configuration
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An earlier 9V edge finder whose STHT77403 manual states a 3/4-inch drywall stud limit and a separate limited live-AC warning; its procedure estimates center from two marked edges.
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Explore this buying guide ↗Why consider this model?
- A documented earlier option for a dry interior drywall task where a simple edge cue and a manual midpoint estimate are acceptable, the stated 3/4-inch ceiling is sufficient, and the user wants a limited live-AC warning without treating it as clearance.
Tradeoffs to weigh
- There is no direct center indication or deeper selection; the 9V battery is not included, several common surfaces are expressly excluded, and the live-wire detector may miss hazardous wiring.
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