Specifications include, but are not limited to: 1. Portable, ultra-sonic, transit time, non-intrusive flowmeter for measuring pipe flow of various qualities and temperatures of water 2. Suitable for measuring flow on variety of pipe material including steel, copper, PVC, aluminum, and ductile iron that may include a lining 3. Rechargeable battery with minimum of 12 hours of continuous operation when charged 4. Certified by NIST reference to be a minimum of +/- 1% accurate on 2” and greater pipe sizes and +/- 2% on less than pipe sizes less than 2” 5. +/- 0.2% of reading repeatability 6. Transducers capable of measuring .5” to 24” pipe diameter and all mounting/clamping hardware 7. Protective carrying case 8. Hand-held pipe wall thickness gauge with rechargeable battery that measures to nearest .001”. 9. Bluetooth technology capable of data transfer to pc, laptop, or tablet 10. 8GB of datalogging storage or greater 11. Measures and logs velocity, rate, and total volume at a minimum 12. Water resistant housing and able to withstand operation in up to 110 degrees of weather.