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Wall scanners and detectors help you find what you cannot see before you drill, cut or work. This collection covers wall scanners for rebar, pipes, studs and live wires, voltage detectors, gas leak and carbon monoxide detectors, infrared thermometers and laser distance meters.
How to choose a detector
- Wall scanner depth: the number in Bosch models (D-tect 120, D-tect 200 C, GMS 120) shows the maximum detection depth in mm in concrete. Deeper scanning helps on thick slabs and walls.
- What you need to find: wall scanners find metal, wood, plastic pipes and live wires. Voltage detectors check if a wire or outlet is live. Gas detectors find LPG and refrigerant leaks.
- Measuring temperature: infrared thermometers such as the Bosch GIS 500 and GIS 800-16 read surface temperature without contact.
- Distance: laser distance meters measure rooms and spaces quickly, from 40m to 60m depending on the model.
Popular detectors at KHM Megatools
| Model | Brand | Type | Good for |
|---|---|---|---|
| D-tect 200 C / D-tect 120 | Bosch | Wall and floor scanner | Finding rebar, pipes and wires in concrete |
| GMS 120 / GMS 120-27 | Bosch | Multi detector | Studs, metal and live wires before drilling |
| DWD181ZJ | Makita | 18V wall scanner | Cordless scanning with Makita LXT batteries |
| GIS 500 / GIS 800-16 | Bosch | Infrared thermometer | Checking motors, panels and aircon |
| VW-20HFR / A15B0301 / VD100026 | Greenlee / DCA / Ingco | Voltage detector | Checking if a line is live |
| GD-3306 / GD-3307 / CO-110 | CEM | Gas and CO detector | LPG, refrigerant and carbon monoxide leaks |
Scan before you drill
Always scan before drilling into walls and slabs, and mark what you find. For holes after scanning, use a rotary hammer. For checking circuits, see voltage testers and multimeters, or see Bosch wall scanners.
All products from KHM Megatools are genuine and covered by the manufacturer's warranty where applicable.
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