Underground electronic marker K-Marker
The K-Marker passive electronic marker device employs an inductive coil that functions as an antenna at a precise frequency according to market standards: 145.7kHz for drinking water, 101.4kHz for telecommunications, 83kHz for gas, etc.
The marker can be located without contact, by induction, with any compatible detector, up to depths of 1.5m (depending on the terrain and the detector used). The device is totally passive, it does not need batteries to work. It´s made with highly durable materials and that they are not potentially dangerous and have a degree of protection IP68.
Two versions available: K-Marker Duct y K-Marker Spike