... 4.Weight: 538g with batter RV-100H handheld ultrasonic flowmeter for various industrial field in the liquid flow-line ... , is currently the smallest, lightest quality, truly portable ultrasonic flowmeter, the products have been exported to Japan, South ... praised. Product Specifications: Item The Specifications of handheld ultrasonic flowmeterLinearity0.5%Accuracy±1% first to meet the accuracy ...