Lelukee Digital LCD Water Flow Totalizer and Rate Meter with G1/2" Hall Effect Sensor, 1-30L/min | DC24V

• With temperature detection wire head: the temperature display range is -99°-999°, the unit C means Celsius temperature, and F means Fahrenheit temperature. The temperature unit can be switched by short pressing the "+" key
• The total water consumption is expressed in liters in L and GAL in gallons, and the unit is passable.
• Powered by AAA Batteries (Not Included): This system goes to sleep when left unattended and with no water flowing.
• Total water consumption reset: There is a RESET symbol on the back of the circuit board with two contacts next to it. Shorting the two contacts after the system is powered on will clear the total water consumption. You can also press and hold the SET button, and after the number flashes, use the "+" and "-" signs to modify it to 0.
• K value setting character (K ​​SETTING): The K value setting character will be displayed when entering the K value setting interface

• Connect Power and Sensor — Connect the G1/2" Hall Effect flowmeter sensor and the temperature detection wire head to the LCD controller. Ensure the device is connected to a stable DC24V power supply (1A recommended) and insert AAA batteries (not included) for backup and sleep mode functionality.
• Configure Settings — Upon powering on, the main interface displays total volume, temperature, and usage time. Long press 'SET' to adjust total usage time (hours) and K value for calibration. Short press '+' or '-' to change digits, and 'SET' to cycle through them.
• Calibrate and Monitor — Enter the K SETTING interface by short pressing 'SET' in the main interface. Long press 'SET' to adjust the K value for precise flow measurement. Once configured, the meter will continuously display flow rate and total consumption as water passes through.
• Reset Consumption Data — To clear the total water consumption data, either short the two contacts labeled RESET on the back of the circuit board while powered on, or press and hold the SET button until the number flashes, set it to 0, and long press SET to save.

Typical situations where Lelukee Digital LCD Water Flow Totalizer and Rate Meter with G1/2" Hall Effect Sensor helps — illustrative scenarios, not customer reviews.