Bosch Professional 12V System Wall Scanner D-tect 200 C (12V battery, detection of (non-) live cables, metal, plastic pipes, wooden studs and cavities, USB-C™ Cable, L-BOXX)

Tried other wall scanners in the past but the D-Tect 200C is simply the best and detects wood, plastic pipes, metal (both ferrous and non-ferrous and electrical wiring) at up to 100mm depth. Can be used on 4 X AA cells or the 12V 2AH Bosch rechargeables. Clear colour display and easy to use menu system. If you want the best wall scanner out there - this is it. It even tells you on the display what the scanned material is . Highly recommended.

Expensive, but at least it's a reputable make and I was prepared to pay for accuracy and quality. Easy to operate, feels good to handle over large areas. I like the depth reading, spot reading and the large colour screen. I've only used on smooth surfaces, so can't comment of the accuracy on brick or uneven surfaces. Think slow, steady and patience are the operating buzz words for accuracy.

Works like a dream once you understand how to interpret the displays - no more redrilling holes or hitting pipes etc. and the battery / non rechargable version as well as being FAR CHEAPER actually lasts quite well on alcaline batteries.

Came with missing parts in the box. Return or refund is a difficult process and we spent a lot of money on this product.

First impressions were good, in the box is the scanner, a case, batteries and instructions. Setting it up couldn’t of been simpler, you just install the 4x AA batteries supplied, switch on the unit, program in the time and date and you’re good to go. Using the scanner is just as easy, you just follow the menu prompts; firstly select the measuring mode, either object or leakage detection or distance measuring, then choose the wall type and view. Here there are decent amount of options to cover most situations, ie scanning plaster board, brick or concrete and perhaps you are looking for water, live wires, pipes etc. To scan you just roll the unit gently at a slowish pace from side to side, it has 4 rubber wheels on the back and they will go over pretty much any surface. It then immediately receives a reading on the screen and it also beeps to signal objects. Plus points for me are that it’s very light and the handle fits nicely into my hand with a comfortable grip. The screen is well lit and has a decent contrast so viewing is very good. I’ve had great results with this unit, it’s consistent and has spotted pipes, electrical cables and nails that were buried. The only constructive criticism I can give is for the price (currently over £600) I would have thought it would feel better quality. The plastic shell doesn’t feel particularly robust and I do worry if dropped it might smash quiet easily. Also although the visuals on the screen are very clear they do seem a bit basic and out dated. Saying that, overall I do really like and trust it and I already get a lot of use out of it.

I really wanted to like this product but I had to return it after multiple attempts in various locations and settings. I thought it would be a great high quality / performing device to have at home for long term use. However, for the price, I found that this wall scanner left me with a lot of doubt which would result in more guess work than I was unprepared to bet my safety on. Most of the time it found something, but the 'somethings' width, depth or material moved around depending on how many times you went back and forth over it. You could say that this device is better than a cheaper product that would give you a single yes/no indication whether it was accurate or not, (which would be worse in my opinion). The technology behind this device found more 'results' which in turn created more questions. I read somewhere that it is best to use this alongside a basic wall scanner to confirm and triangulate the results but that would defeat the overall point I think. There were times that it showed green/safe areas but there were few. Maybe I choose bad spots. With some of the basic scanners an apparent technique is to place your free hand on the wall to discharge any static from it... don't do it with this, because everything becomes a 'live wire' on the screen. Lastly, I tested a USB cable on a flat table with a thick cardboard surface on top of it. I was pleased to see that the device worked perfectly this way and accurately found the cable location, width and depth with no other interference, its just unfortunate that it wasn't so confident on the wall.

Ok. So this is an updated review. My original review can be seen below - I only gave this 2 stars but I’ve realised the issue was with me - not the product. This has now been tested by a professional tradesman and he thinks it’s a fantastic piece of kit. He found it to be accurate and time saving - so much so that he’s buying one for the firm to use. So - in the hands of a professional, this give professional results. My original review is below - this was purely my lack of knowledge on how to work the product correctly. Original review: I’ve tested this out on various walls, with differing results. Brick - I think it works well in detecting Live wires. It’s detected the wires on each wall I’ve tried it on - so 2 stars for that. Drywall - inconsistent. I found it would either detect a lot of unknown / non-metal objects, or none at all. Sometimes it states the object is non-metal, you then pass it over the same spot and it now states it’s metal. I did try the brick / universal setting on the dry wall and on one pass it insisted there were live wires in the wall (I know there’s none), on the next pass it didn’t state live wires. I’m not sure I’d have confidence in using the drill, based on this device. Health and safety is something you can’t take any risks with. If this wasn’t as expensive as it is, I’d have recommended this purely for detecting live wires in brick walls. However, given the price point - I can’t recommend this product.

Strumento molto interessante. Avevo già la versione 120 con medesima tecnologia e già funzionava bene, ma questo è nettamente superiore. La possibilità di avere diverse visualizzazioni aiuta a chiarire le idee quando ci si trova in situazioni complesse. La possibilità di salvare lo schermo non so se risulterà veramente utile, ma è comunque simpatica. La presenza delle 4 rotelle, che nel 120 non erano presenti, oltre a consentire la misura dello spostamento, facilità molto lo scorrimento sulla parete senza lasciare segni. Apparecchio non proprio economico, ma vale tutto il suo prezzo. Non c'è proprio paragone con i cercametalli che usano la tecnologia dei campi elettromagnetici, che forniscono spesso segnali non riproducibili e contraddittori. La tecnologia radar è tutta un'altra cosa.

ممتاز جدا جدا جدا وسهل الاستخدام ودقيق

He hecho la compra con cierto escepticismo debido a las opiniones tan contradictorias. Después de leer las instrucciones detenidamente varias veces y haber visto montones de vídeos, he podido entender el funcionamiento y cual es el procedimiento para detectar lo que me interesa. Hay multitud de dispositivos para detectar materiales en las paredes y de muchos precios, pero al parecer, ninguno es infalible, ya sea porque no detecta ciertos materiales, porque den falsos positivos o porque den resultados aparentemente erráticos. Los dispositivos más económicos utilizan inducción magnética y los más avanzados, utilizan la tecnología de radar. Este dispositivo combina las dos tecnologías a la vez, por lo que entiendo que gracias a eso, consigue ser más preciso que los demás. Lo primero que recomiendo tener al usar este aparato es, paciencia. Hay que entender los diferentes modos de detección así como la configuración del tipo de pared a escanear. Para poder ubicar el trazado de líneas eléctricas y tuberías, no es suficiente con pasar una sola vez el detector por la pared, porque primero hay que discriminar los falsos positivos e ir marcando y contrastando con todos los modos para confirmar donde exactamente se encuentra lo que queremos encontrar. Básicamente, lo que hace el aparato es detectar irregularidades en el interior de las paredes, completando la información con unos datos de utilidad como la profundidad, tipo de material y la densidad del objeto. El principal problema es que, por ejemplo, en una pared de ladrillos con huecos horizontales, también detecta esos huecos y en caso de estar rastreando una canalización, si desplazamos el aparato sobre su trazado, lógicamente no la detectará de manera clara porque la irregularidad que se detecta es más evidente al desplazar de manera perpendicular a esa canalización. Después de una semana de uso y al entender su capacidad y sus limitaciones, me parece un dispositivo muy útil para uso profesional, que en mi caso es el sector eléctrico. No sé si recomendar esta compra a cualquier persona porque entiendo que para algunos usuarios, no les merezca la pena debido a su alto precio pero a mí, hasta que salga al mercado algo que realmente lo supere y su precio no sea desorbitado, este detector me vale perfectamente.

Urządzenie wygląda profesjonalnie, ale na tym skończyły się zalety urządzenia. Sprawdzałem przewody elektryczne pod napięciem i bez napięcia i niestety czasem urządzenie wykrywało coś, a czasem nie. Wiem gdzie są przewody i na jakiej głębokości bo sam je kładłem i mam dokumentację fotograficzną przewodów. Przewody na głębokości 2-3 cm. Zapoznałem się z całą instrukcją nawet dałem nowe baterie, ale niestety nie zmieniło to działaniu urządzenia. Szkoda pieniędzy.

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