Zircon StudSensor Pro SL Deep-Scanning Stud Finder
- 3/4 inch (19 mm) depth in StudScan mode
- 1 1/2 inch (38 mm) depth in DeepScan mode
- Wood and metal studs and joists, edge finding
- SpotLite beam, audio alert and green LED at the edge
- TruCal auto calibration with over-the-stud warning
- One 9V battery powers it
- One year warranty on materials and workmanship
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A straightforward edge finder that marks wood and metal stud edges with light, sound and a projected spot. The listing describes no live wire detection, so it is a stud tool and nothing more.
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ASIN: B000KL7TG2Category: Stud Finders
Overview
A SpotLite beam projected onto the wall shows where the Zircon StudSensor Pro SL has found a stud edge. Sensors calibrate to the wall's density, then red lights signal an approaching edge and a green light with a beep confirms it.
Deep mode reaches through thicker wall layers, and the projected spot makes marking easier than reading a screen. Calibration sets the baseline at the starting point, so beginning over a stud throws it off, which the over-the-stud warning flags. Live wire detection is not part of the listing.
Who it's for
Home projects that start with finding a stud, like hanging shelves, cabinets or artwork, are the target. Electricians and remodelers who must locate live wiring before cutting need a multi-mode scanner.
Pros and cons
- Projected spot marks the edge on the wall
- Deep mode doubles scan depth
- Finds both wood and metal studs
- Warns when calibration started over a stud
- Live wire detection not listed
- Battery absent from the contents list
- Finds edges, so centers need two marks
Performance notes
Accuracy depends on calibration: the TruCal routine reads the wall's density at the starting point, so a start over a stud skews results. Thicker walls call for deep mode, and the lights and beam show the change from bare wall to stud edge as the tool slides.
Specifications
| Brand | Zircon |
|---|
Frequently asked questions
How big is the Zircon StudSensor Pro SL?
It measures 2.3 x 1.1 x 5.5 inches and weighs 3.2 ounces.
Does the StudSensor Pro SL detect live wires?
The listing describes stud edge finding only, with no live wire mode, so do not rely on it for electrical safety.
Is a battery included with the Zircon StudSensor Pro SL?
It needs one 9V battery, and the included components list only the tool, instructions and a how-to guide, so have a battery on hand.
Why does the StudSensor tell me to start in a new spot?
If scanning begins over a stud, the over-the-stud indicator alerts you to restart elsewhere so calibration reads the bare wall.