will this sensor detect studs behind ceramic tile like one finds in a shower?

Hello and thank you for your question. Unfortunately, there are really no sensors on the market that will go through both tile and the cement board used behind the tile for installation. I do have a couple of recommendations for you though. If the tile in your shower does not go all the way to the ceiling, you can find the studs on the wall above the tile and follow a straight line down to the location of where you would like to complete your project. My other suggestion would be that if the tiled wall where you would like to find the stud is an interior wall, you can find the stud on the other side of the wall (maybe its in the hallway), and measure the distance to a fixed point. Then you can extrapolate the same distance to the tiled wall to locate your stud.

Can you use this on a textured ceiling or does the surface have to be smooth?

Good question and thank you for reaching out. The simple answer is yes, you can use the M150 on a textured surface. There are a couple of issues to be aware of however. The unit will work best on a smooth surface but will work on texture. Depending on how much texture is on the ceiling can effect the results. It can possibly give off false readings if the texture is heavy. While using the unit on the ceiling, if you think you have located a stud/joist, continue to hold down the button and run the unit along the length of the stud/joist. Studs/joists typically will run the entire length of the wall/ceiling. This way you can verify your findings.

Is it sensitive to insulation in the wall?

Great question. Our sensors use the change in density to find hidden object behind the drywall. Our engineers have adjusted the amount of sensitivity that the sensors can detect so that insulation will not be detected because it does not have a high density. Short answer: No, it will not detect insulation.

Will find aluminum studs used in RV's?

Yes it will find aluminum studs behind drywall.

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🔍 Find your studs like a pro—accuracy that builds confidence!

BUILT IN SAFETY - Live wire detection protects you from hidden electrical hazards while scanning.
EFFORTLESS SCANNING - One-button operation with no calibration needed—start scanning anywhere, even over studs.
UNMATCHED PRECISION - 9 sensors deliver the most accurate stud detection on the market—never miss a stud again.
DEEP WALL PENETRATION - Detect studs up to 1.5 inches deep through drywall and sheetrock with confidence.
FULL STUD VISUALIZATION - LED array lights up entire stud width, revealing double studs and irregular patterns.

The Franklin Sensors ProSensor M150/X990 is a USA-made stud finder featuring 9 sensors for superior accuracy, a max detection depth of 1.5 inches, and live wire detection. Its LED display reveals full stud widths including double and irregular studs, while its simple one-button operation requires no calibration. Lightweight and battery-powered, it’s designed for professional-grade construction site scanning.

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TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

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I loved the variety of products available. Will definitely shop again.

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Brand	Franklin Sensors
Colour	Yellow
Batteries Required?	No
Material	Plastic
Power Source	Battery Powered
Item Weight	0.32 Pounds
Product Dimensions	14L x 7.6W x 5.1H Centimeters
Battery Life	20 Hours
Adjustable Length	No
International Protection Rating	IP54
Recommended Uses For Product	Construction Site Scanning
Display Type	LED
Manufacturer	Franklin Sensors
UPC	853435004415
Item model number	ProSensor M150
ASIN	B0917TH83L

Franklin Sensors ProSensor M150/X990 Stud Finder with Live Wire Detection and 9-Sensors, Wood & Metal Stud Detector/Wall Scanner, Made in The USA

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