Tempo Communications 24BK Station Master Pro Kit Test Irrigation Systems (Formerly Greenlee Communications) Category_ADA Rain Bird® Flow Sensors send Rain Bird® Flow Sensors send flow data to central control or stand alone control systems for precise and accurate flow monitoring Big Frog Supply clearly separates it from the plastic T101P3 and mechanism only T101M so the enclosure material and included components are easy to confirm the station master has the added functionality of providing tone generation to identify wires which can be traced with any tempo 200 series inductive amplifier battery operated irrigation system diagnostic tester combining solenoid activation and wire identification