Usage Tips: 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, is fully functional, features a simple structure and high stability, and is convenient to operate. It can be used to measure methanol, kerosene, diesel, fuel, and urea water. [LCD Display] The digital diesel fuel flow meter comes with a large LCD display 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, industrial, medical, transportation, food industry, and commercial fields. Specifications: Model: K24 Media: Methanol, diesel, fuel, kerosene, chemical liquid, urea water Inlet: 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 count: 0.00–999999.9 Units: L/L, gal/GAL, pint/PTS, quart/QTS Single measurement reset: RESET Setting units of measurement: In standby mode or current display state, press CAL + RESET button for 5 seconds. Enter unit conversion settings and press RESET button to cycle through LTR → GAL → PT → QT → LTR to select desired unit. Cumulative volume will display in selected unit. Press MENU key for 3 seconds to exit unit conversion settings. Note: This product requires 2 AAA batteries (included), which are replaceable. Low battery indication: When battery voltage is between 2.2V and 2.4V, the display shows "LBat" to remind the user to replace the battery. Color: Black & Blue Material: Plastic