... centigrade. 2.Data logger function 3.Easy installation 4.Wide liquid applications 5.flow rate calibration DMTFH handheld series ultrasonic flow meter is ... , no moving parts, no leaks and no contamination. Features: 1.carefully designed so that is very compact and ease to ... the users selected, and maximum can reach to 8GB. Applications:1.Water, including hot water, chilled water, city water, sea ...