Mopeka M2012003 TD40 BLE-LR Ultrasonic Tank Level Sensor 4-18 Feet

Mopeka

<h3>Mopeka: Redefining Tank Monitoring with Sonar Technology</h3><p><strong>Mopeka</strong> has established itself as a leader in a field where accuracy has historically been elusive. Traditional float-based gauges have long frustrated RV owners, boaters, and outdoor enthusiasts with readings that drift, stick, and mislead. Mopeka set out to fix that with a fundamentally different approach: sonar-powered sensing that measures liquid levels from <em>outside</em> the tank.</p><p>Mopeka&apos;s wireless gauges and sending units use patented ultrasonic technology to bounce sound waves off the liquid surface inside a tank, delivering readings that are accurate to within a fraction of the actual level. Mopeka&apos;s sonar sensors can measure within +/–1% of the actual tank level — far exceeding older mechanical gauge technology, which can carry inaccuracies exceeding +/–5%. That kind of precision matters whether you&apos;re monitoring a 20-lb propane cylinder on a backyard grill or a large residential tank.</p><p>Mopeka is the global leader in sonar tank monitoring solutions, with an award-winning and patented portfolio of sonar, mobile, and cloud-based products that serve residential, RV, marine, and industrial applications — from 20-lb grill tanks all the way up to tanks exceeding 90,000 gallons.</p><p>One of the hallmarks of the Mopeka lineup is its installation simplicity. Mopeka&apos;s patented sensors mount to the bottom of tanks using strong magnets, require no tools, and are up and running in minutes — monitoring wirelessly via Bluetooth through the Mopeka Tank Check app or a standalone monitor. For more flexible installations, mounting collars and adhesive options are available for aluminum, plastic, and poly tanks.</p><p>The versatility of Mopeka&apos;s platform is another reason enthusiasts trust the brand. Mopeka&apos;s Pro Check Universal sensors enable measurement of a wide range of liquid commodities — including propane/butane, water (fresh and grey), oil, diesel, chemicals, and other liquid commodities. This makes a single sensor platform useful across an entire RV or boat setup.</p><p>For those monitoring RV or marine water systems, <a href="/18952-mopeka-holding-tank-monitors-200529">Mopeka&apos;s holding tank monitors</a> bring the same sonar-based accuracy to fresh water, grey water, and other non-pressurized tanks. These compact devices attach to the outside of tanks, use ultrasonic technology to measure liquid levels inside, and transmit real-time data directly to a mobile app — employing sound waves that bounce off the liquid surface for accurate readings without any intrusive in-tank installation.</p><p>Mopeka&apos;s state-of-the-art consumer sonar sensors are trusted companions for camping, marine, RVing, grilling, and outdoor heating applications. Whether you&apos;re pulling into a campsite and need a quick propane level check or managing a boat&apos;s onboard water supply, Mopeka delivers the visibility you need — right from your smartphone.</p>