https://www.macnaughtusa.com/Flow-Rate/Sensor
广告Since 1964, Macnaught Has Designed and Made High Quality Flow Meters. Volumetric Accuracy with Excellent Repeatability. No Flow Conditioning Required
Fast Shipping · Chat With Us Online · Large Stock On-Hand · Great Customer Support
Types: Turbine Flow Meters, Digital Flow Meters, Oval Gear Flow Meters