Omega's adaptable impeller liquid flowmeters are available in 3/8-inch to one-inch nominal pipe sizes and employ jewel bearings. The 6–24 -Vdc pulse output of these meters is compatible with many different types of control. The FPR 300 Series features field replaceable sensor and versatile square-wave signal and have only one moving part. They are offered in either polypropylene housing for visual flow indication or TFE housing.