Fill-Rite’s 800 Series of mechanical fuel transfer meters are ideal for low-volume applications, registering up to 99 gallons per batchThe 807CMK is a 3-digit mechanical fuel transfer meter. This meter is equipped with NPT threads and is designed to register 5-20 gallons per minute at +/- 1% accuracy. This model includes additional installation components. Versatile Technology — designed with nutating disc technology that is capable of moving rust and small debris that jam and cause damage to other meters Cast-Aluminum Construction — built to last with rugged cast-aluminum construction, designed for maximum durability and lifetime corrosion resistance Extreme Accuracy — measures fuel within +/- 1% accuracy, ensuring your record-keeping is precise as possible Low-Volume Applications – 3-digit counter registers flow rates between 5-20 GPM and up to 99.9 gallons per batch, perfect for equipment with small fuel tanks Lifetime Tracking — 5-digit non-resettable counter tracks total volume transferred over lifetime of meter Fluid Compatibility — designed for daily use with diesel, gasoline, kerosene, mineral spirits, heptane, hexane Flowrate Range (GPM): 5-20 GPM Compatible Fluids: Diesel, Kerosene, Biodiesel up to B20, Gasoline up to E15, Mineral Spirits, Heptane, Hexane Inlet Size / Connection / Thread: 0.75 ” / Female / NPT Outlet Size / Connection / Thread: 0.75 ” / Female / NPT Operating Temperature Range (°F): -15 – 150°F / -26 – 66°C Max Operating Pressure (PSI): 50 Accuracy (+/- %): 1 % Repeatability (+/- %): 0.38 % Display Type: Mechanical Display Digits: 3 Power Source: Mechnical Totalizer: Yes Pulse Output: No Assembled Product Height x Width x Depth (in.): 5.9 x 6.9 x 4.9 Assembled Product Weight (lbs.): 4.9 Package Height x Width x Depth (in.): 7.38 x 7.25 x 10.5 Gross Weight (lbs.): 5.600 lbs