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Echo Sounder Recording Paper #J-8 For Jrc Jfe-570S · Air Horn Electric Operation 132Hz For 75-200Mtr Length · Air Horn Manual Operation 132Hz For 75-200Mtr Length.Jrc JFE-585 Pdf User Manuals. View online or download Jrc JFE-585 Service Manual. Inner Hull Installation for Echo Sounder's Transducer. Echo Sounder(JRC JFE 570S) ; Nature of BusinessExporter ; Number of EmployeesUpto 10 People ; Annual TurnoverRs. 2 - 5 Crore ; IndiaMART Member SinceDec 2012 ; GST The JFE-380 Echo-Sounder consists of a transducer mounted on the bottom of the ship's hull and a main unit that displays information on the depth and formation The JFE-570S/SD is a high-performance echo sounder and operates on a transmitting frequency of 200kHz or 50kHz, ensuring minimized influence of noise gener-. Specifications ; Max. 50m · 3 characters indication on the LCD. (Decimal values for less than 100m.) · The buzzer sounds and the LED flickers when the depth is