FLM-3 Digital Water Flow Meter LCD – RO Filter Monitor & Alarm
FLM-3 Digital Water Flow Meter LCD – RO Filter Monitor & Alarm
FLM-3 Digital Water Flow Meter – LCD Display with Audible Alarm & Auto Shut-Off
Keep a close eye on your reverse osmosis system or any water filtration setup with the FLM-3 Digital Water Flow Meter. Featuring a bright LCD display, a wide measurement range of 0–99,999 gallons / 0–99,999 liters, and a built-in audible alarm, this compact monitoring tool gives you complete visibility and control over your water usage — all in a device that fits in the palm of your hand.
Key Features
- Clear LCD Display: Easy-to-read screen lets you monitor water flow at a glance without squinting or guessing.
- Accurate Flow Measurement: Reliable readings with a resolution of 1 L (1 gallon) and an accuracy of ±10%, covering a flow rate of 0.8–8.0 LPM (0.2–2.1 GPM).
- Audible Alarm Function: Automatically sounds an alert when water flow exceeds your preset limit — helping you stay on top of your filtration system's performance.
- Auto Shut-Off (Energy Saving): The LCD display powers down automatically after 5 minutes of inactivity, extending battery life and reducing energy use.
- Wide Measurement Range: Tracks cumulative flow from 0 to 99,999 gallons or liters — ideal for long-term RO filter and water system monitoring.
- Easy 1/4" One-Touch Connection: Quick-connect fittings make installation fast and hassle-free.
- Durable ABS Construction: Lightweight yet sturdy pink ABS body (9 × 6.6 × 6.3 cm) built for consistent everyday use.
Specifications
| Model | FLM-3 |
| Material | ABS |
| Color | Pink |
| Dimensions | 9 × 6.6 × 6.3 cm |
| Flow Range | 0–99,999 L / 0–99,999 Gallon |
| Flow Rate | 0.8–8.0 LPM / 0.2–2.1 GPM |
| Resolution | 1 L (1 Gallon); 0.1 LPM (0.1 GPM) |
| Accuracy | ±10% |
| Connection | 1/4" One-Touch |
| Alarm | Audible alert when preset value is exceeded |
| Auto Shutdown | After 5 minutes of inactivity (LCD display) |
| Battery | Not included |
| Wireless | No |
Package Contents
- 1 × FLM-3 Flow Meter
Made in Mainland China.
Note: Actual color may vary slightly from images due to monitor settings and lighting conditions. Please allow for minor manual measurement deviation.
Related Products You May Like
- BALASHOV 2500W Handheld Steam Cleaner – Kitchen, Car & Home
- Air Compressor Pressure Gauge 0-10/0-12/0-25 Bar | DIY Tool
- 2.8L Beverage Dispenser with Spigot – Fridge Drink Dispenser
Learn more: OSHA on personal protective equipment
Frequently Asked Questions
Q: What is the FLM-3 Digital Water Flow Meter used for?
A: The FLM-3 Digital Water Flow Meter is designed to monitor cumulative water flow and flow rate in reverse osmosis (RO) filter systems and other water filtration or plumbing applications. Its LCD display and audible alarm make it easy to track usage and set flow limits.
Q: Does the FLM-3 flow meter include a battery?
A: No, the battery is not included with the FLM-3. You will need to supply your own compatible battery. The unit features an auto shut-off function that powers down the LCD display after 5 minutes of inactivity to help conserve battery life.
Q: How does the alarm function work on this digital water flow meter?
A: The FLM-3 features a built-in audible alarm that triggers automatically when the cumulative water flow exceeds the preset limit you have configured. This helps you monitor filter capacity and ensures safe, efficient system operation.
Q: What connection type does the FLM-3 use, and is it easy to install?
A: The FLM-3 uses a standard 1/4" one-touch quick-connect fitting, which is compatible with most RO filter systems and water lines. Installation is straightforward and tool-free in most cases.