Bosch GMS120 Digital Wall Scanner | Screwfix
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- Опубликовано: 16 июн 2024
- Screwfix - Multifunction wall scanner for the detection of studs, copper pipe, metal pipe and live wires.
3 Detection Modes
Detection Depth 3.8-12cm
Centre Finder Function
3 Year Manufacturer's Guarantee
LED Marking Hole
Colour-Coded Indicators
Automatic Calibration
www.screwfix.com/p/bosch-gms12... 
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This video has been on RUclips for several years now and is still helping people. I have one of these units and can say without hesitation that you can trust it.
Another tip if you use this to detect cables: Make sure you are grounded. The wall (and even the air) behind my OLED TV is detected completely as live cable, but when I put off my shoes with rubber sole, the detector is working great
Just purchased this unit and so far so good. Great tips in this video!
Former Manufacturing Engineer/Electrician here. Upgraded to this product because of its capabilities. Too bad that it in 3 hours of testing with KNOWN locations of studs and wires I can not get consistent results at all. I read the entire manual and even recalibrated in a darkened area twice! I have NEVER had a stud finder that had to pass over a stud 3 times to find it! I purchased this to assure that I did NOT have to use finishing nails and repair drywall.
The Center of stud location is +/- 3/4 of an inch at best, meaning that after 20 try I can maybe map the stud....or not. I need CENTER OF STUD. In fact I can move it almost one inch when the center is shown with no change in the readings. Approach from the other side of the stud and it may or may not show the stud at all. I purchased this because I need to be in exact center of studs for structural reasons!
Meanwhile the live wire will not show a live wire at all, even when energized and location known and when wire is directly against the drywall on the inside of the wall.
It can sometimes find non-ferrous wires but not consistently enough (even when I knew where they were and could attempt from both sides of a wall. I get some positive ferrous readings where there are no studs at all (I doubt that there is iron in drywall material). I built the walls and know the locations of everything for testing, This is going back to the supplier.
Clear and concise ... Just what we want.
Very good video: especially for the recommendations on using it for electrical, incl static elect issues.
Watch it thoroughly. One other tip: even if things look clear, always place a limiter on your drill bit so that you just clear the substrate you're drilling, and little more. You can always push in a small plastic rod if you wish to double-check if anything is relatively close to the substrate where you just drilled.
Atrocious choice of background music. This would have been an amazing tutorial otherwise. Very hard to understand what is being explained without cranking up the volume... Shame
We took an E before watching and had a great time.
Great review explaining why it malfunctions and how to get true readings rather than just binning tool and saying it's rubbish...
So many other videos don't rate electrical mode ~ just because switch is off! You naturally think that because switch is live one side that sigal should show...
Very informative!
How accurate is it on concrete, plastered, and painted walls?
Just purchased this tool today and it is quite disappointing. Can't really detect concealed electrical cable in brickwall as what it claimed.
I have tried on the electrical switch itself and it gave out warning. The moment when I moved GMS 120 to the top part of the switch where the concealed wire is running to the soffit, it FAILED TO DETECT ANYTHING.
What are the detection depth of Wood, Iron and Live Wires that are lying under Brick, Cement & Concrete?
I need something to detect a minuscule amount of metal over short
distance (less than 1cm), and being able to differentiate between small
differences in the amount of those metals . What device would be the
best?
Does anyone know if this will detect copper pipes under tiled brick walls ? I want to install vanity after tiling but don't want to hit pipes or live wire .
Having this tool would have save me from hitting HVAC lines with nails while installing siding.
Bought this a few months ago, it is an absolute nightmare. I thought a Bosch tool would be very good but I get live cables everywhere. Searching for a wooden stud is impossible as it shows live wires everywhere. Even when I know there isn’t. It’s not even consistent. I regret shelling out for it, no more accurate than knocking to find the stud and listening to the sound changes
Will it work on a brick wall ???
It would be nice if the wall was cut on the upper side to actually see the obstacles as are detected to evaluate the accuracy
Can this detect rebar? If so how deep can it detect it?
I have the same question as George. How sensitive is this in concrete walls? My electrical is embedded in concrete hollow blocks filled with concrete.
I had it and sold it. Useless in finding electrical wires and metal nets embeded in brick walls and concrete floors. Good only for wooden houses and dry walls.
I own one. All it detects is electricity. Seriously, even in wall mode. But no studs. And I mean no studs at all. But heaps of electricity. Even in my solid timber coffee table...electricity. So, if you want to confirm the there is electricity in every thing and every where this is the tool for you. If you wish to detect anything else then forget it. It is of some concern that Bosch have brought this to market.
Love the music ....May I know how can I find the music only video/ audio please
If you click the title of the video it’ll bring down the description box, the music info is at the bottom where it says ‘music in this video’
I have this and I don't think it worths the battery in it.
It is a lousy product. I owned one as well.
How does it detect concrete?
It is very disappointing to find that this device is shown as a detector of 12 cm depth (hence the model name GMS120 = 120 mm), but the practice of detecting alternating current lines (AC) is only effective up to a depth of only 5 cm (when this is not enough at all for normal drilling in brick or concrete)!
It is worth noting that this device does not detect direct voltage line (DC), and is therefore ineffective for low-voltage wiring locations (solar power, etc.).
Note: this is not a criticism of the video, but of its product and way of advertising.
And DC lines made of what? Copper as well I assume. So it should be able to find in metal detection mode.
@@NoisyBadAss I am not sure that in metal detection mode it works properly on metals that do not magnetize.
Another thing: detection of electrical conductors, not only to not damage them, but mainly to prevent electric shock in contact with a metal screw/drill.
thanks anyway!
Some multimeter s pick up current detection.
@@NoisyBadAss Detecting electrical cable in RC slab is essential. The device metal detection function will not be able to distinguish the difference between a steel bar and electrical wire.
And then, Why you don't disconnect the DC from the wiring and temporarily connect 50 or 60 Hz AC, energize them with a lamp, make your detection and mark the wall; and then revert to reconnecting the DC ?
Doesn't work on acoustic soundbloc plasterboard with acoustic Rockwool inside the void. I'm guessing the sound waves used to detect materials are being absorbed by the acoustic board and/or the Rockwool. So glad we measured these studs and wrote it down on paper before we boarded and skimmed. The stud finder DOES NOT WORK!
Sir water plumbing PVC pip detecting
I take that detector is only for light walls in gypsum, wood and so forth, not to detect RE-BARS in CONCRETE.
Actually according to the manufacturer it can detect quite deeply through concrete and is designed exactly to detect rebar in concrete. I doubt it works as it does not work for me in finding studs accurately.
Thanks!
I have recently bought this unit and I would have to say the tests in the video must be rigged. In actuality the device detects its own shadow and is not usable independent of finding the stud by hand.
Not understanding a word with this disco music in the background
Hello! Can you estimate rebar diameter with this tool? at least aproximately. Thanks!
I can't believe you didn't show us what was behind The Wall at what point how do we know it was accurate...
Well I can tell you I own this product and I'll sell it to anyone that makes me an offer over 5 quid
I purchased the device from offline shop and despite of that I got defective product. Very bad expe with bosch
Can I detect PVC pipes
you can buy d-tect 120 bosch
Background music ruins the whole vodeo.. not watching past 1:08
i am here not for music listening. i hard to understand what he is talking.
The music destroyed the video
Background sound is so anoying
'Easy to use' yet we need to read 8 pages of instruction !!!!!!!!!!!!!!!!!!!!!!!
Absolute shite! Detected timber studs in a solid block wall and live cables in the same wall
Nu este bun de nimic
salut.recomanzi o alta 'scula'..ms.
BOSCH TRUVO și e la 35 euro și detectează foarte bine. Am probat alea mai scumpe și nu detectează ca TRUVO și e și mai puțini bani.@@andreilefter3200
This unit is a scam . Doesn’t work all , can’t return it to the shop now. My loss 😏
This thing is absolutely useless garbage. At any given time, any and every section of every wall I’ve ever tested it on can have literally anything in it. You name it. One minute I’ve hit a stud, next minute it disappears. Next minute it’s electrified, next minute it’s ferrous, next minute it’s nonferrous, next minute there’s nothing there.
I’ve tested it on walls with no wiring in it and it tells me the whole wall is electrified. Even with multiple passes it spews out a confusing mess of noises and indicators that contradict each other constantly.
Completely unusable and one of the worst purchases I’ve ever made.