Handheld ultrasonic flow meter Installation method: Handheld SD card high memory data logging, maximum memorize 512 days data. Flow range: +/-0.03 ft/s ~ +/-40 ft/s (+/-0.01 m/s~ +/-12 m/s) Accuracy: +/-0.5% of measured value Repeatability: 0.15% Output: 4-20mA Internal lithium power supply: 10hours Pipe size range: 0.6â?³~240â?³(15mm~6000mm) Transducer: IP54, CP magnet portable transducer, 5m cable