The Octave Ultrasonic Water Meter is cast iron contstruction with a maximum working pressure of 230 psi. The vacuum sealed and tamper proof register provides durability and long-term performance. The multi-line digital LCD readout display provides immediate reporting and visual indicators. Each octave meter is pre-programmed before shipment for an instantaneous flow rate in GPM, and the specified user’s requirements for Volume Totalizer Units and Output Resolution for Optional Pulsed Output.