Description:_x000D_This digital turbine flow meter has modular design, high accuracy, compact size and stable performance. Easy to replace and maintain internal components. Suitable for use with output modules, sensors and remote transmitters._x000D__x000D_Features:_x000D__x000D_Modular design makes it suitable for use with output modules, sensors and remote transmitters. _x000D_Compact structure, easy to install. _x000D_Intuitive clear reading, high reliability, measuring accuracy is 1%. _x000D_High-definition displays show both instantaneous and cumulative flow. _x000D_Can be widely used to measure diesel, kerosene, gasoline, etc. _x000D__x000D_Specification:_x000D_Operating voltage: 2.3-3.3V_x000D_Battery type: 2 x AAA LRO3 batteries_x000D_Thread size: 1inch NPT_x000D_Repetition: 0.5%_x000D_Measure accuracy: 1%_x000D_Maximum working pressure: 20BAR_x000D_Flow range: 10-90L / Min, 25-150L / Min, 35-250L / Min_x000D_Single count: 0.00-9999.9_x000D_Total cumulative count: 0-999999_x000D_Mistakes count: 0.1000-9.9999_x000D_Working temperature: -10C ~ +60C(14F~140F)_x000D_Standby time: 2 years_x000D_Application: Diesel, kerosene, gasoline_x000D_Color: Red, Blue(Optional)_x000D_Weight: 371g_x000D__x000D_Malfunction and solution:_x000D_The flow meter is not accurate. 1. The method of field calibration is not correct. Calibrate again. _x000D_2. The flow rate on the meter is below the lowest. Increase the flow rate. _x000D_3. The flow meter is blocked by the dry liquid. Take out the impeller and clean it carefully and make sure the impeller turns freely. _x000D_4. The impeller is wrapped by the sealing material. Remove the meter and make sure the impeller turns freely. _x000D_5. Too close to the impeller. Install properly. _x000D_6. Too close to the motor or electronic noise environment Install properly. _x000D_The reading numbers faded or blanked out. 1.Battery is exhausted or not connected Check the batteries or even replace them. _x000D_Flow rate is normal but the meter can not count. Press the button of DISPLAY, the meter starts. 1. Field calibration is not correct. Calibrate again. _x000D_2. The impeller is blocked or damaged. Remove the meter and make sure the impeller turns freely. _x000D_3.The impeller is wrapped by the sealing material. Remove the meter and make sure the impeller turns freely. _x000D_Flow rate is low and the meter can not count. Press the button of DISPLAY, the meter starts. 1. The flow meter is blocked by the dry liquid. Take out the impeller, clean it carefully and make sure the impeller turns freely. _x000D_2. The flow rate on the meter is below the lowest. Increase the flow rate. _x000D_The meter can not calibrate. 1. Circuit board is break down. Replace the circuit board. _x000D_2. Button is fail to press. Replace the circuit board. _x000D__x000D__x000D_Package List:_x000D_1 x Turbine Flow Meter_x000D_1 x Manual_x000D__x000D__x000D_Note:_x000D_Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 1Modular design makes it suitable for use with output modules, sensors and remote transmitters. 2Compact structure, easy to install. 3Intuitive clear reading, high reliability, measuring accuracy is 1%. 4High?definition displays show both instantaneous and cumulative flow. 5Can be widely used to measure diesel, kerosene, gasoline, etc.