This is a self-contained, battery-operated sonde, measuring 0.70″ x 3.22″ (18mm x 82mm). It can be connected to a Flexrod for locating pipes and ducting etc. It transmits on 33kHz and can be normally located to a maximum depth of 13′ (4m).
S18 Sonde 33kHz
€485.00 + VAT