Audiovisual device for cable connected or cordless remote detection and on screen monitoring of humid localities. The device (1) supported by the steel cable (7) is submerged into the liquid to be analysed. The apparatus inside the device, (4) with the aid of projector lamps, (5) produces audiovisual signals, which are amplified by the signal amplifier (14) and, through the cable, (9) are then transferred to the reception unit (monitor or television).
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