Handheld ultrasonic flowmeter host size: 200*92*32mm: At present, the domestic volume is the smallest and the lightest in weight. The portable ultrasonic flowmeter in the true sense is suitable for on-line calibration and patrol detection of liquid flow in various industrial sites. It has high measurement accuracy, good consistency, long battery power supply time and simple operation. The product has been widely used in petrochemical, metallurgy, electric power, tap water, water conservancy, electric power, energy monitoring and other industries, and has been well received by domestic and foreign customers. * Measurement accuracy: better than 1% * Repeatability: better than 0.2% * Externally mounted, easy to operate and convenient * 4 lines of Chinese characters display the instantaneous flow rate, flow rate, cumulative flow rate, signal status, etc. * Built-in data logger can record time, cumulative flow, signal status, working time, etc. * Standard data interface RS232 is used for network detection or export of recorded data * Self-diagnosis, indicating whether the current working status is normal * Built-in nickel-metal hydride rechargeable battery can work continuously for more than 10 hours. * Handheld ultrasonic flowmeter host size: 200 * 92 * 32mm.