{"product_id":"keyence-fd-q20c-clamp-on-flow-sensor-responsive-support","title":"FD-Q20C | Keyence Clamp-On Flow Sensor, 15A\/20A, Digital Display, IP67","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"396\" data-start=\"144\"\u003eThe Keyence FD-Q20C is a clamp-on digital flow sensor designed to measure liquid flow rates through metal or resin pipes without the need for pipe modification. Part of the advanced FD-Q Series, this model combines non-intrusive sensing, rugged construction, and simple installation with accurate flow monitoring for various fluids — including water, oils, and chemicals. Featuring a 4-digit dual-row LED display, the FD-Q20C provides real-time visualization of flow and status indicators, while maintaining a high degree of protection with an IP65\/IP67-rated enclosure.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKeyence\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSensors \u0026amp; Switches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFD-Q20C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlow Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClamp-On Digital Flow Sensor (Main Unit, 15A\/20A Type)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Pipe Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e½\" (15A) Ø18–Ø23 mm \/ ¾\" (20A) Ø23–Ø28 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Pipe Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMetal or resin pipes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Fluids\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWater, oils, DI water, and chemical solutions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Fluid Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–85°C (32–185°F), no freezing on pipe surface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Rated Flow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e½\" pipe: 60 L\/min (15.9 G\/min); ¾\" pipe: 100 L\/min (26.4 G\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eZero Cut Flow Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5 L\/min (default)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual-row 4-digit LED with stability and status indicators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay Update Cycle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 3 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1 L\/min (default)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResponse Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5 \/ 1.0 \/ 2.5 \/ 5 \/ 10 \/ 30 \/ 60 s selectable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Circuit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eReverse connection, surge, short-circuit, and overload protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRepeatability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2.0% or better (depending on response setting)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHysteresis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVariable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntegrated Flow Display\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1 \/ 1 \/ 10 \/ 100 \/ 1000 L (default: 1 L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntegrated Flow Storage Cycle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 10 s to EEPROM memory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMemory Backup\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEEPROM (10+ years, 1M+ rewrite cycles)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eI\/O Connector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM12 4-pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput (CH1\/CH2)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOpen collector output, 30 VDC max, 100 mA max, residual voltage ≤ 2.5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAnalog Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4–20 mA \/ 0–20 mA selectable, load ≤ 500 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExternal Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZero reset, flow rate zero, or origin adjustment input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20–30 VDC (Class 2\/LPS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 mA or less (excluding load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP65\/IP67 (IEC60529)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e−10°C to +60°C (14°F to 140°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e−25°C to +60°C (−13°F to 140°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e35–85% RH (no condensation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVibration Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10–55 Hz, 1.5 mm amplitude, 2 h in each X\/Y\/Z direction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShock Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 m\/s², 16 ms pulse, 1000 times each axis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial (Main Unit)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePPS\/PES\/PBT\/SUS303\/SUS304\/SUSXM7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial (Sensor Surface)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRubber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Bracket\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSUS304\/PA\/SUSXM7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 0.88 lbs (400 g including bracket)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003eFD-Q20C\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe FD-Q20C is a 15A\/20A type sensor main unit ideal for industrial flow monitoring in environments where liquid contact must be avoided. Using ultrasonic detection technology, it accurately measures flow from the outside of the pipe—making it ideal for sanitary and corrosive fluid applications. The sensor supports both metal and resin pipes, handling temperatures up to 85°C (185°F), and can manage flow rates up to 100 L\/min (26.4 G\/min) depending on pipe size.\u003cbr\u003eIt features both digital and analog outputs (NPN\/PNP switchable, 4–20 mA\/0–20 mA) and IO-Link communication, making it suitable for integration into smart factory systems. EEPROM memory backup ensures long-term data retention and stable performance even after power loss.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eClamp-On Design: Non-intrusive installation — no need to cut or alter the pipe.\u003c\/li\u003e\n\u003cli\u003eDual Output Function: Digital (NPN\/PNP) and analog (4–20 mA\/0–20 mA) outputs.\u003c\/li\u003e\n\u003cli\u003eHigh Visibility Display: Dual-row 4-digit LED with flow, output, and stability indicators.\u003c\/li\u003e\n\u003cli\u003eWide Compatibility: Works with both metal and resin pipes (15A–20A sizes).\u003c\/li\u003e\n\u003cli\u003eSupports Various Liquids: Handles water, oil, and chemical solutions.\u003c\/li\u003e\n\u003cli\u003eFast Response Time: Selectable from 0.5 ms to 60 s for precision or stability.\u003c\/li\u003e\n\u003cli\u003eRugged Construction: Stainless steel and PPS housing ensures long life in harsh conditions.\u003c\/li\u003e\n\u003cli\u003eHigh Protection Rating: IP65\/IP67 for resistance to dust and water.\u003c\/li\u003e\n\u003cli\u003eMemory Backup: 10+ year EEPROM data retention (1 million+ read\/write cycles).\u003c\/li\u003e\n\u003cli\u003eEnvironmental Durability: Withstands vibration, temperature, and humidity fluctuations.\u003c\/li\u003e\n\u003cli\u003eSimple Setup: Tool-free mounting with one-touch clamp bracket.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keyence","offers":[{"title":"Default Title","offer_id":50748265267498,"sku":"FD-Q20C","price":525.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/Keyence_FD_Q20C_View2_2018516122656.jpg?v=1761570984","url":"https:\/\/iqelectro.com\/products\/keyence-fd-q20c-clamp-on-flow-sensor-responsive-support","provider":"IQElectro","version":"1.0","type":"link"}