Painting the full flow picture of your entire wastewater collection system can be a costly endeavor, especially when you have hundreds of manholes and miles and miles of pipe. With Hach’s level-alarming solution, you can monitor and capture data from more sites in your network without crushing your budget. Pair pair a Hach US9001B Ultrasonic Sensor with Ballast with a wireless Hach FL900 Series Flow Logger and for an intelligent, economical answer.