Why the MACH 10®? The MACH 10® solid state ultrasonic water meter features no moving parts, ensuring continued accuracy and performance over the life of the meter and maximum revenue generation from your metering program. Its high-resolution measurement allows you to accurately capture extremely low flow rates, while a rugged, lead free bronze maincase adds to its long-term performance. Ideal for residential fire service and secondary water applications, the MACH 10 meets residential fire service codes and can support high flow requirements while maintaining accuracy.