1. Introduction
The RESTMO Water Flow Meter is designed to accurately measure water consumption and flow rate for various outdoor applications, including garden hose watering, RV water tank filling, lawn sprinklers, and nozzle sprayers. Featuring a durable brass inlet and outlet, an easy-to-read LCD screen, and multiple measurement modes, this device provides precise data to help manage water usage efficiently.
2. Safety Information
- Always ensure your hands are dry when opening the battery tray or installing the battery to prevent electrical hazards.
- Insert the battery with the correct polarity as indicated inside the battery compartment.
- Securely lock the battery compartment after installation to maintain the device's waterproof integrity.
- Do not expose the device to extreme temperatures outside its operating range (38 Degrees Fahrenheit and above).
3. Product Overview and Features
Key Features
- Durable Construction: Features pure brass inlet and outlet metal threads for heavy-duty use and enhanced durability, eliminating frequent installation and uninstallation hassles.
- User-Friendly Display: Equipped with an easy-to-read LCD screen and a one-touch control push button for convenient operation.
- Multiple Measurement Modes: Offers four distinct measurement modes to track water usage and flow rate: Flow, Consumption, Average, and Total.
- Unit Conversion & Reset: Allows switching between gallons and liters, and provides data reset functionality for various modes.
- High Accuracy: Built-in hall type sensor and IC chipset ensure accurate measurements with a tolerance of less than 5%.
- Weatherproof Design: Constructed from premium heavy-duty ABS material with an IPX6 waterproof grade, making it resistant to UV, sunshine, and rain for stable outdoor use.
4. Setup and Installation
4.1 Battery Installation
The RESTMO Water Flow Meter requires batteries for operation. Ensure your hands are dry before opening the battery compartment. Insert the battery according to the polarity markings (+/-) inside the tray. Close and securely lock the battery compartment to maintain the device's waterproof rating.
4.2 Connecting the Flow Meter
The meter features a 360° swivel pure brass inlet for easy attachment to your faucet or hose. The pure brass outlet has a 3/4" NH thread, compatible with all standard garden hoses or nozzles. Simply screw the inlet onto your water source and connect your hose or nozzle to the outlet. Ensure connections are hand-tight to prevent leaks.
5. Operating Instructions
5.1 Power On/Off
The LCD screen will automatically activate when water flows through the meter or when the button is pressed. The screen goes to sleep automatically if there is no operation or water flow for 1 minute to conserve battery life.
5.2 Measurement Modes
Short press the control button to cycle through the four available measurement modes:
- FLOW Mode: Displays the real-time water flow rate (e.g., Gallons per Minute or Liters per Minute).
- CONSUMPTION Mode: Shows the water usage from the last watering session.
- AVERAGE Mode: Calculates and displays the daily average water usage over the past week (counts from the next day after initial use).
- TOTAL Mode: Accumulates and displays the total water usage since the meter was last reset.
5.3 Switching Units and Resetting Data
- To switch the unit between gallons and liters, long press the control button while in FLOW Mode.
- To reset the data for the currently displayed mode (Consumption, Average, or Total), long press the control button while in that specific mode.
6. Maintenance
6.1 Cleaning
Wipe the exterior of the meter with a soft, damp cloth. Do not use abrasive cleaners or solvents, as they may damage the LCD screen or the device's housing. Ensure the brass connections are free of debris.
6.2 Storage
When not in use for extended periods, store the water flow meter in a cool, dry place, away from direct sunlight and extreme temperatures. It is recommended to remove the battery if storing for several months to prevent leakage.
6.3 Battery Replacement
When the display becomes dim or unresponsive, it's time to replace the battery. Follow the battery installation instructions in Section 4.1, ensuring dry hands and correct polarity.
7. Troubleshooting
| Issue | Possible Cause | Solution |
|---|---|---|
| Display is blank or dim. | Low or dead battery; incorrect battery installation. | Replace the battery, ensuring correct polarity. Ensure hands are dry during installation. |
| Inaccurate readings. | Loose connections; debris in the meter; incorrect unit setting. | Check all connections for tightness. Inspect the meter for any obstructions. Verify the unit setting (gallon/liter) is correct for your needs. |
| No flow detected / Meter not counting. | No water supply; meter installed backward; significant air in the line. | Ensure water supply is on. Check that the meter is installed with the flow direction arrow pointing correctly. Purge air from the hose/system. |
| Water leakage from connections. | Loose connections; damaged O-rings/washers. | Tighten connections. Inspect and replace any damaged O-rings or washers. |
8. Specifications
| Specification | Value |
|---|---|
| Brand | Restmo |
| Model Number | O-WM-2P |
| Material | Brass Swivel (Inlet & Outlet) |
| Display Type | LCD |
| Product Dimensions | 3.4 x 1.6 x 1.6 inches |
| Item Weight | 4.3 ounces |
| Operating Temperature | 38 Degrees Fahrenheit and above |
| Batteries Required | Yes |
| Measurement Tolerance | Less than 5% |
| Waterproof Grade | IPX6 |
9. Warranty and Support
Restmo products are manufactured to high-quality standards. For any questions regarding product operation, maintenance, or potential issues, please refer to the troubleshooting section or contact Restmo customer support. Specific warranty details may vary; please refer to the product packaging or the official Restmo website for the most current warranty information.
For additional support and product information, you may visit the official Restmo Store: Restmo Store on Amazon.
