Handheld Ultrasonic Flowmeter - Linearity: 0.5% Repeatability: 0.2% Accuracy: ± 1% of reading at rate > 0.2 mps Response Time: 0 – 999 seconds, User-Configurable Velocity: ± 32 m/s Pipe Size: DN5 – DN6000 mm Rate Units: Meter, Feet, Cubic Meter, liter, Cubic Feet, USA Gallon, Imperial Gallon, Oil Barrel, USA, liquid Barrel, Imperial Liquid Barrel, Million USA Gallons. Users configurable Totalizer: 7-Digits totals for net, positive and negative flow respectively Liquid Types: Virtually all liquids Security: Setup values Modification Lockout. Access code needs unlocking Display: 4×16 Ennlish letters Communication Interface: RS-232C, Baud-rate : from 75 to 57600. Protocol made by the manufacturer and compatible with that of the FUJI ultrasonic flowmeter. User Protocal can be made on enquiry Transducers: Model M1 for standard, other 3 models for optional Transducer Cord Length: Standard 2×5 meters, optional 2×10 meters Power Supply: 3 AAA Ni-H built-in batteries. When fully recharged it will last over 10 hours of operation. 100V-240VAC for the charger Data Logger: Built-in datalogger can store over 2000 lines of data Manual Totalizer: 7-Digits press key-to-go totalizer for Calibration Housing Material: ABS Case Size: 100 x 66 x 20 mm Handset Weight: 514 g (1.2 lbs) with Batteries