{"product_id":"hm-digital-flm-3-flow-meter-ro-di-filter-monitor","title":"HM Digital FLM-3 Flow Meter - RO\/DI Water Filter Monitor with Alarm","description":"\u003ch1\u003e\u003cstrong\u003eMONITOR YOUR RO\/DI FILTRATION SYSTEM WITH PRECISION\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003eThe HM Digital FLM-3 Consumer Flow Meter is the perfect solution for monitoring water flow through your reverse osmosis (RO) or deionization (DI) filtration system. Designed for under-the-sink or countertop installations, this compact flow meter helps you track exactly how much water has passed through your filters—so you know precisely when it's time for replacement.\u003c\/p\u003e\n\n\u003ch2\u003eWHY CHOOSE THE FLM-3 FLOW METER?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual flow rate monitoring\u003c\/strong\u003e – Switch between liters per minute (LPM) or gallons per minute (GPM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal volume tracking\u003c\/strong\u003e – Tracks cumulative liters or gallons used up to 99,999\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgrammable alarm\u003c\/strong\u003e – Set custom alerts to notify you when filter replacement is needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge LCD display\u003c\/strong\u003e – Easy-to-read screen shows flow rate and total volume at a glance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect fit\u003c\/strong\u003e – Unique compact design ideal for under-sink or countertop RO\/DI systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eNEVER GUESS WHEN TO CHANGE FILTERS AGAIN\u003c\/h2\u003e\n\u003cp\u003eStop relying on guesswork or calendar reminders to determine when your RO or DI filters need replacement. The FLM-3 gives you precise data on exactly how much water has passed through your filtration system, allowing you to replace filters based on actual usage rather than estimated timeframes. This ensures optimal water quality while maximizing filter life and avoiding premature replacements.\u003c\/p\u003e\n\n\u003ch2\u003eKEY FEATURES\u003c\/h2\u003e\n\n\u003ch3\u003eDual Measurement Modes\u003c\/h3\u003e\n\u003cp\u003eMonitor flow rates in liters per minute (LPM) or gallons per minute (GPM) depending on your preference. The meter accurately measures flow rates from 0.8–8.0 LPM or 0.2–2.1 GPM, covering the typical range for residential RO\/DI systems.\u003c\/p\u003e\n\n\u003ch3\u003eCumulative Volume Tracking\u003c\/h3\u003e\n\u003cp\u003eTrack total water volume from 0 to 99,999 gallons or liters. This cumulative counter helps you monitor filter cartridge capacity and plan replacements based on manufacturer specifications.\u003c\/p\u003e\n\n\u003ch3\u003eProgrammable Alarm System\u003c\/h3\u003e\n\u003cp\u003eSet a custom alarm threshold based on your filter's rated capacity. When the programmed volume is reached, the FLM-3 emits an audible beep alert—reminding you it's time to replace your filters before water quality degrades.\u003c\/p\u003e\n\n\u003ch3\u003eLarge, Easy-to-Read LCD Display\u003c\/h3\u003e\n\u003cp\u003eThe clear LCD screen displays both current flow rate and total volume simultaneously, making it easy to monitor your system's performance at a glance—even in dimly lit under-sink installations.\u003c\/p\u003e\n\n\u003ch3\u003eSimple Installation\u003c\/h3\u003e\n\u003cp\u003eThe FLM-3 features standard 1\/4\" quick-connect fittings that integrate seamlessly with most RO\/DI systems. No special tools or plumbing expertise required—just connect inline between your filter stages or at the output.\u003c\/p\u003e\n\n\u003ch3\u003eLong Battery Life\u003c\/h3\u003e\n\u003cp\u003ePowered by two standard 1.5V AA batteries (included), the FLM-3 delivers approximately 18 months of continuous monitoring—minimizing maintenance and ensuring reliable operation.\u003c\/p\u003e\n\n\u003ch3\u003eCompact Design\u003c\/h3\u003e\n\u003cp\u003eAt just 2.6\" × 3.5\" × 2.5\" (6.6 × 9.0 × 6.3 cm) and weighing only 7.3 oz (207g), the FLM-3 fits easily in tight under-sink spaces without interfering with other plumbing or storage.\u003c\/p\u003e\n\n\u003ch2\u003eIDEAL APPLICATIONS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReverse osmosis (RO) drinking water systems\u003c\/li\u003e\n\u003cli\u003eDeionization (DI) water purification systems\u003c\/li\u003e\n\u003cli\u003eAquarium RO\/DI water production\u003c\/li\u003e\n\u003cli\u003eHydroponic nutrient solution preparation\u003c\/li\u003e\n\u003cli\u003eLaboratory water filtration monitoring\u003c\/li\u003e\n\u003cli\u003eCoffee and beverage equipment water filtration\u003c\/li\u003e\n\u003cli\u003eAny application requiring precise water volume tracking\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHOW IT WORKS\u003c\/h2\u003e\n\u003cp\u003eInstall the FLM-3 inline with your RO\/DI system using the included 1\/4\" quick-connect fittings. As water flows through the meter, it accurately measures both the instantaneous flow rate and cumulative volume. Program the alarm to match your filter's rated capacity (for example, 500 gallons), and the meter will alert you when it's time for replacement—taking the guesswork out of filter maintenance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/flm3-main-429x600_large.png?v=1530300752\" alt=\"HM Digital FLM-3 Consumer Flow Meter - Compact Design for RO\/DI Systems\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eTECHNICAL SPECIFICATIONS\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFLM-3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlow Rate Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.8–8.0 LPM \/ 0.2–2.1 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Volume Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–99,999 gallons or liters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±10%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlow Rate Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1 LPM \/ 0.1 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVolume Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 gallon \/ 1 liter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlarm Set Point\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFully programmable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlarm Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAudible beep\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFittings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/4\" quick connect (standard RO\/DI size)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Source\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTwo 1.5V AA batteries (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 18 months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLarge LCD with simultaneous flow rate and total volume\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.6 × 9.0 × 6.3 cm (2.6\" × 3.5\" × 2.5\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e207g (7.3 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e891144000465\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWHAT'S INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHM Digital FLM-3 Consumer Flow Meter\u003c\/li\u003e\n\u003cli\u003eTwo 1.5V AA batteries\u003c\/li\u003e\n\u003cli\u003e1\/4\" quick-connect fittings (pre-installed)\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMAXIMIZE YOUR FILTRATION INVESTMENT\u003c\/h2\u003e\n\u003cp\u003eYour RO\/DI filtration system is an investment in pure, clean water. The FLM-3 helps you protect that investment by ensuring you replace filters at exactly the right time—not too early (wasting money) and not too late (compromising water quality). With precise volume tracking and programmable alerts, you'll maintain optimal system performance while extending the life of your filtration equipment.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eThe HM Digital FLM-3 Consumer Flow Meter—because knowing is better than guessing when it comes to water quality.\u003c\/em\u003e\u003c\/p\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":8332676694103,"sku":"50010","price":62.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/FLM-3.png?v=1736619444","url":"https:\/\/getultimatenow.com\/products\/hm-digital-flm-3-flow-meter-ro-di-filter-monitor","provider":"Get Ultimate Now ","version":"1.0","type":"link"}