This Is A Nutating Disk Meter That Measures The Exact Quantity Of The Dispensed Fuel Or Lubricant. It Is Designed For Non Commercial Use Only. This Flow Meter Is Reliable; Inexpensive; Easy To Install And Simple To Calibrate In The Workplace. Thanks To Reduced Flow Resistance; It Can Also Function At Gravity. Flow Rate (Range) 20 Divided By 120?/Min. Max Operating Pressure 10 Bar (142 Psi). Frequency 10 Pulses/.