Features: [Excellent Quality] This fuel flow meter is made of premium material, durable and easy to use. [Good Performance] The K24 turbine digital diesel fuel flow meter has a modular design, fully functional, simple structure, and high stability, convenient to operate. It can be used to measure methanol, diesel, fuel, and urea water. [LCD Display] Digital diesel fuel flow meter comes with an LCD display which is convenient for clear reading. It is fully functional, easy to operate, and has a simple structure. [High Accuracy] The measuring accuracy of this flow meter is 1%, suitable for most applications. [Application] Widely used in petroleum, industry, medicine, transportation, food industry, and commercial fields. Specifications: Model: K24 Media: Methanol, fuel, chemical liquid, urea water Inlets: 1 inch internal thread Measurement accuracy: 1% Repeatability: 0.5% Maximum working pressure: 5 BAR Operating voltage: 2.3–3.3 V Flow range: 10–90 L/min Single count: 0.00–9999.9 Total cumulative number: 0.00–999999.9 Unit: L/L, gal/GAL, pint, quart Single measurement reset: RESET Setting units of measurement: In standby mode, or during current display state Press CAL + RESET button for 5 seconds Enter unit conversion settings, press RESET button Select LTR, GAL, PT, QT, LTR to choose the unit of measurement Cumulative volume will be displayed in the selected unit Press MENU key for 3 seconds to exit unit conversion settings Note: This product requires 2 AAA batteries for operation. Battery replacement is supported. Low Battery Indicator: When battery voltage is between 2.2 V and 2.4 V, the display shows "LBat" to remind the user to replace the battery. Color: Black & Blue Material: Plastic Package Contents: 1 x Turbine Fuel Flow Meter Note: Only the above items are included. Other products are not included. Note: Light reflection and different displays may cause slight color variations between the item in the picture and the actual product. Measurement error allowance is +/- 1–3 cm.