Introducing a mini oil flow meter, model og-l from instrumentation engineers with special features like flow range - 1-30 lpm of all types of oils like petrol, diesel and other lubricants and fos; accuracy - ±0.5 percent ; connection - ½"nptf; 5-digit lcd display; pushbutton calibration; totalization in gallons or litres, ideal for manual batching; records flow in either direction; low maintenance costs; minimum three year battery life; low battery indicator; replaceable battery; battery shelf life -10 years; humidity and moisture resistant register; maximum operating pressure -1500 psi; minimum operating pressure - 5 psi; operating temperature range - 10o to 110of; and weight - 1 kg.