What the major differences between M20 and T13 and Pro 710+? just wanted to decide which one to buy

The ProSensor M210 has 21 indicator lights vs only 13 on the other models (important note: this is number of lights only, not number of sensors). This allows a more precise indication of the stud limits. It also has 2 AC voltage indicators at each end in case live wires exist beneath the wall or ceiling surface you are scanning. These "upgrades" were worth the additional $5 to me.

Will it work on a sprayed on rough ceiling?

Thank you for your question. Unfortunately our sensors do not do well with rough surfaces. Our stud finders function by sensing any change in density, and when the surface is very rough and bumpy it creates air gaps between the unit and the surface which leads to false readings.

Puedo encontrar los stud de metal?

Yes, this can find metal studs. It works by finding any change in density behind the drywall, so it will find both wood and metal studs simultaneously.

Does any model of the Franklin Sensors work better with sheetrock over old wood lath walls than the others??

Our best and most accurate sensor is the M210. This stud finder has a maximum detection depth of 1.7". Depending upon the total thickness of the sheetrock over old wood and lath, this finder may be your best bet. We cannot guarantee that it will work however without knowing the thickness and the makeup of the materials. Good luck!

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Franklin Sensors ProSensor M210 13-Sensor Stud Finder, Live Wire Detection

Franklin Sensors ProSensor M210 13-Sensor Stud Finder, Live Wire Detection

Product ID: 310305647

Details

Brand
Franklin
Item Weight
273 g
Item dimensions L x W x H
7.5 x 3.35 x
Material
Plastic
Style
Compact

⚡Live wire detection for ultimate safety

📏Detects stud width & edges with wide LED display

📡13 patented sensors for pinpoint accuracy

¥19677

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔍 Find studs like a pro, drill with confidence!

BUILT TO LAST - #1 rated by pros for durability and consistent performance.
ADAPTIVE DEEP SCAN - Auto-adjusts for depth/materials up to 1.7 inches for flawless results.
FULL WIDTH VISIBILITY - Wide LED display reveals stud centers and edges simultaneously.
PRECISION MEETS POWER - 13 advanced sensors deliver unmatched stud detection accuracy.
SAFETY FIRST DRILLING - Integrated live wire meter keeps your projects shock-free.

The Franklin Sensors ProSensor M210 is a top-rated stud finder featuring 13 patented sensors for superior accuracy, a built-in live wire detector for enhanced safety, and a wide LED display that shows the full width of studs. It auto-adjusts scanning depth up to 1.7 inches, ensuring reliable detection across various materials. Lightweight and durable, this USA-made tool is trusted by professionals and DIYers alike for precise, worry-free wall scanning.

Specifications

ASIN	B0917VXLDK
Best Sellers Rank	#410 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2 in Stud Finders & Scanners
Brand Name	Franklin Sensors
Current Rating	150 milliamps
Customer Reviews	4.6 4.6 out of 5 stars (6,286)
Included Components	Range
Item Dimensions	7.5 x 3.35 x 3.33 inches
Item Weight	273 g
Lower Temperature Rating	32 °F
Manufacturer	Franklin Sensors
Material Type	Plastic
Maximum Supply Voltage	3 volts
Measurement Accuracy	1.7
Model	317740851
Mounting Type	Wall Mount
Number of Items	1
Output Type	Push Button
Part Number	FSM21012HD
Sensing Distance	1.7 inches
Specific Uses For Product	Wall Drilling Jig Electrician
Style Name	Compact
UPC	853435004491
Unit Count	1 Count
Upper Temperature Rating	110 °F

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