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