Proteus 8000 Series instruments provide accurate, rugged, reliable, and cost-effective measurement of heat transfer of fluids and other liquids from -40 to 90 °C. It has an Enhanced accuracy and stability from digital signal processing. Its Flow ranges from 0.2 to 227 LPM / 0.05 to 60.0 GPM. We provide the best 8000 series liquid flow meter at an average cost.