... on sensor 4.OEM/ODM accepted Portable Ultrasonic flow meter Main FeaturesFeaturesDescription High Accuracy measuringAccuracy: ±1%, ... 12 hours of continuous operationLarge LCD displayDisplay instantaneous flow, accumulated flow (positive, negative and net), velocity, working ... -digit totalizer for net, positive and negative flow respectivelyLiquid TypesAny single uniform liquid which can transmit ...