Check the listing for details. General Oceanics Flowmeter Flowmeter, Digital, Mech Low Velocity Rotor. Condition: New. Listed at 199.00 USD. New and never deployed. FLOWMETER, DIGITAL, MECH., LOW VELOCITY RESPONSE WITH THE LOW VELOCITY ROTOR-THRESHOLD APPROXIMATELY 6CM/SEC (3/25 KNOT). RANGE 6CM/SEC (3/25 KNOT) TO 100CM/SEC APPROXIMATELY (2 KNOTS) FLOWMETER, DIGITAL, MECH., LOW VELOCITY WEIGHT IN AIR 225 GRAMS (8 OUNCES) WEIGHT IN WATER 113 GRAMS (4 OUNCES) MATERIAL: CELCON ROTOR, NICKEL PLATED BRASS NOSE CONE, POLYCARBONBATE BODY, aRMALOYED STAINLESS STEEL MAIN ROTOR AND IDLER GEAR SHAFT. DIMENSIONS LENGTH 21.3 CM (8 3/8") DIAMETER: STANDARD ROTOR 6.98CM (2 3/4") LOW VELOCITY 16.5CM (6.5"), DEPTH RATING UNLIMITED (FREE FLOODING) DATA DISPLAY: 6 TEN DIGIT COUNTER WHEELS 000,000 TO 999,999 DISTANCE DETERMINED BY DIFFERENCE IN BEGINING/ENDING COUNTS (COUNTER ADVANCES THROUGH 000,000). 6-DIGIT COUNT 999,999 EQUALS APPROXIMATELY 14.5 NAUTICAL MILES (STANDARD ROTOR). MOUNT: UNIVERSAL BRIDLE ALLOWING SINGLE POINT CONNECTING FOR TOWING OR TWO POINT CONNECTION ACROSS A NET MOUTH RESPONSE WITH THE LOW VELOCITY ROTOR-THRESHOLD APPROXIMATELY 6CM/SEC (3/25 KNOT). RANGE 6CM/SEC (3/25 KNOT) TO 100CM/SEC APPROXIMATELY (2 KNOTS)