{"product_id":"small-angle-ultrasonic-ranging-sensor-for-water-level-detection-25-800cm-ip67-15-fov","title":"Small-Angle Ultrasonic Ranging Sensor for Water Level Detection (25-800cm, IP67, 15° FOV)","description":"\u003ch2\u003eIntroduction\u003c\/h2\u003e\n\u003cp\u003eSmall Angle Ultrasonic Ranging Sensor‑8m is a compact ultrasonic distance measurement module designed for accurate long‑range detection in environmental monitoring and industrial installations. Using intelligent signal processing circuitry combined with high‑precision ranging algorithms, this ultrasonic distance sensor measures targets from \u003cb\u003e25 cm to 800 cm\u003c\/b\u003e with ±2 cm accuracy and 1 cm resolution. A narrow \u003cb\u003e15° detection field\u003c\/b\u003e, extremely low quiescent current, and rugged \u003cb\u003eIP67 waterproof protection\u003c\/b\u003e make this narrow‑beam ultrasonic module suitable for outdoor sensing tasks. Compatible with an Arduino development board, the distance sensing unit enables reliable monitoring of obstacles, liquids, and water levels in smart infrastructure and environmental IoT deployments.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSmall Blind Area for Close‑Range Detection\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThis ultrasonic measurement module features a minimum detection distance of only 25 cm, significantly reducing the blind zone common in traditional ranging sensors. Such short‑range capability allows reliable monitoring in confined environments where the sensor must be installed close to the measured surface. Applications including liquid level monitoring, container distance sensing, and compact enclosure measurements benefit from improved accuracy even when measurement space is limited.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0668\/0641\/5437\/files\/E39041-content1.webp?v=1791670657\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eFigure: Small blind area ultrasonic detection\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eNarrow Beam Angle (15° FOV) for Precise Targeting\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA 15° field of view creates a focused acoustic beam that minimizes interference from surrounding structures. Such narrow‑angle ultrasonic detection improves measurement stability in shafts, tanks, pipelines, and other confined environments. Compared with wide‑angle distance sensors, this focused ultrasonic ranging device reduces false echoes from nearby surfaces and ensures reliable detection of the intended obstacle or liquid surface.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0668\/0641\/5437\/files\/E39041-content2.webp?v=1791670671\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eFigure: Narrow beam ultrasonic detection pattern\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHigh Precision Measurement with Fast Response\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eAdvanced ranging algorithms and intelligent signal processing circuitry deliver stable measurements with \u003cb\u003e1 cm resolution\u003c\/b\u003e and \u003cb\u003e±2 cm accuracy\u003c\/b\u003e. Response times between \u003cb\u003e0.9 s and 2.5 s\u003c\/b\u003e enable continuous monitoring of dynamic environments such as water level changes or moving obstacles. Low power consumption, including a quiescent current below 10 µA and operating current under 15 mA, allows efficient integration into battery‑powered monitoring systems and remote IoT sensing nodes.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eIP67 Rugged Protection with Temperature Compensation\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eIndustrial‑grade sealing provides \u003cb\u003eIP67 dustproof and waterproof protection\u003c\/b\u003e, allowing reliable outdoor operation in harsh weather and wet environments. Integrated temperature compensation automatically corrects environmental temperature deviations, maintaining measurement stability across a wide operating range from \u003cb\u003e-15 °C to 60 °C\u003c\/b\u003e. Such durability makes this environmental distance sensing module well suited for infrastructure monitoring and long‑term deployment in exposed installations.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0668\/0641\/5437\/files\/E39041-content3.webp?v=1791670687\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eFigure: IP67 waterproof ultrasonic sensor structure\u003c\/p\u003e\n\u003cp\u003eThis long‑range ultrasonic measurement solution is widely used in smart infrastructure and environmental monitoring systems. Typical deployments include smart manhole water level monitoring, reservoir and storage tank liquid level detection, and river level observation systems where accurate distance sensing and strong environmental protection are essential.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e25 cm small blind area for close‑range detection\u003c\/li\u003e\n\u003cli\u003e15° narrow field of view for precise measurement\u003c\/li\u003e\n\u003cli\u003eHigh precision with low power consumption and fast response\u003c\/li\u003e\n\u003cli\u003eIP67 waterproof protection with onboard temperature compensation\u003c\/li\u003e\n\u003cli\u003eStrong anti‑interference performance for outdoor monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSmart manhole cover water level detection\u003c\/li\u003e\n\u003cli\u003eReservoir water tank liquid level detection\u003c\/li\u003e\n\u003cli\u003eRiver water level detection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecification\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWorking voltage: DC3.3~5V\u003c\/li\u003e\n\u003cli\u003eQuiescent current: ＜10uA\u003c\/li\u003e\n\u003cli\u003eWorking current: ＜15mA\u003c\/li\u003e\n\u003cli\u003eMeasurement distance: 25~800cm\u003c\/li\u003e\n\u003cli\u003eMeasurement accuracy: ±2cm\u003c\/li\u003e\n\u003cli\u003eMeasurement resolution: 1cm\u003c\/li\u003e\n\u003cli\u003eProbe frequency: 40khz\u003c\/li\u003e\n\u003cli\u003eOutput mode: UART controlled output\u003c\/li\u003e\n\u003cli\u003eAngle: 15°\u003c\/li\u003e\n\u003cli\u003eResponse time: 0.9~2.5S\u003c\/li\u003e\n\u003cli\u003eWorking temperature: -15~60°C (with temperature compensation)\u003c\/li\u003e\n\u003cli\u003eStorage temperature: -25~70°C\u003c\/li\u003e\n\u003cli\u003eProtection level: IP67\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eShipping List\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSmall Angle Ultrasonic Ranging Sensor‑8m ×1\u003c\/li\u003e\n\u003cli\u003e4Pin sensor cable ×1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDocuments\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/wiki.dfrobot.com\/sen0627\/\" target=\"_blank\"\u003eProduct Wiki\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":67648232816717,"sku":"E39041-001","price":226.29,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0641\/5437\/files\/E39041-win1.jpg?v=1791670717","url":"https:\/\/www.mlab.com.au\/products\/small-angle-ultrasonic-ranging-sensor-for-water-level-detection-25-800cm-ip67-15-fov","provider":"MLAB","version":"1.0","type":"link"}