{"product_id":"particle-counter-sensor","title":"Particle Counter Sensor","description":"\u003ch2\u003eParticle Counter Sensor – QualiOPC™ 60\u003c\/h2\u003e\n\u003cp\u003eThe performance of a particle counter sensor directly influences the precision of oil cleanliness and fluid contamination analysis systems. QualiOPC™ 60 is a compact optical sensing module designed for accurate particle sizing and counting in inline, portable, and laboratory-based monitoring solutions.\u003c\/p\u003e\n\u003cp\u003eQualiOPC™ 60 functions as a high-precision analytical sensor that detects solid particles suspended in liquids using the optical light-blocking principle. As particles pass through the sensing zone, variations in the light signal are converted into reliable particle size and count data, enabling consistent contamination measurement across industrial applications.\u003c\/p\u003e\n\u003cp\u003eThis sensor is engineered for integration within advanced oil and liquid particle monitoring systems used in predictive maintenance programs, fluid condition assessment, and quality assurance workflows. Its compact and durable construction makes it suitable for both mobile equipment and fixed installations, while supporting internationally recognized cleanliness and calibration standards such as ISO 4402 and ISO 11171.\u003c\/p\u003e\n\u003cp\u003eBuilt for demanding industrial environments, QualiOPC™ 60 serves as the core sensing component in portable particle counters, inline monitoring systems, and laboratory-grade contamination analyzers where accurate and repeatable particle detection is essential.\u003c\/p\u003e\n\u003cp\u003eThe device utilizes semiconductor laser technology combined with the light-blocking method to identify and measure suspended particles across a wide size range. Its cylindrical, space-efficient design supports seamless integration into modern contamination monitoring setups, ensuring stable performance and high measurement reliability.\u003c\/p\u003e\n\u003ch2\u003eParticle Counter Sensor – QualiOPC™ 60 Applications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHydraulic Oil Monitoring:\u003c\/strong\u003e\u003cbr\u003eQualiOPC™ 60 is well-suited for hydraulic systems where continuous monitoring of wear particles and contamination levels is essential for predictive maintenance strategies. It supports early detection of fluid degradation and helps maintain stable system performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLubricating Oil Analysis:\u003c\/strong\u003e\u003cbr\u003eThe sensor integrates into systems designed to measure particulate contamination in industrial and mechanical lubricants. It enables accurate assessment of oil cleanliness and provides insight into overall lubricant condition and service life.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTransformer Insulating Oil Testing:\u003c\/strong\u003e\u003cbr\u003eThis application supports power generation and transmission equipment by monitoring dielectric fluid cleanliness. It helps ensure insulation reliability and reduces the risk of performance issues caused by contamination.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGear, Engine, and Aviation Fuel Inspection:\u003c\/strong\u003e\u003cbr\u003eThese use cases focus on detecting and analyzing particle contamination in gear assemblies, engine systems, and aviation fuels. It supports verification of fluid purity, helping protect critical components from wear and efficiency loss.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInline Industrial Fluid Monitoring:\u003c\/strong\u003e\u003cbr\u003eDesigned for compatibility with portable and online particle counter systems, QualiOPC™ 60 is also suitable for real-time industrial fluid condition monitoring. It enables continuous contamination tracking when integrated into advanced instrumentation platforms used for process control and system diagnostics.\u003c\/p\u003e\n\u003ch2\u003eStandards\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eISO 4402\u003c\/strong\u003e – A reference standard for fluid particle counting calibration, historically used in defining calibration procedures for optical particle measurement systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eISO 11171\u003c\/strong\u003e – An internationally recognized standard for calibration and verification of automatic particle counters, ensuring accuracy and consistency in particle size and count measurements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eISO 4406\u003c\/strong\u003e – A widely used cleanliness coding standard that defines contamination levels in hydraulic and lubrication systems based on particle concentration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNAS 1638\u003c\/strong\u003e – A classification system used in aerospace and industrial applications to evaluate and grade fluid contamination levels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSAE AS4059\u003c\/strong\u003e – An aerospace and industrial standard that defines fluid cleanliness classes based on particle size distribution and concentration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGOST 17216 (ROCT 17216)\u003c\/strong\u003e – A particle contamination classification standard used for assessing cleanliness levels in technical fluids across industrial systems.\u003c\/p\u003e\n\u003ch2\u003eParticle Counter Sensor – QualiOPC™ 60 Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eOptical light-blocking technology for precise liquid particle sizing and counting.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-sensitivity optical design that delivers stable measurement performance and strong resolution for contamination detection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFine particle size channel resolution with a representative interval down to 0.1 µm, depending on system configuration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWide application compatibility for portable, inline, and laboratory particle counting systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompact and durable construction designed for long-term operation in field instruments and fixed industrial installations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCalibration support aligned with internationally recognized standards such as ISO 4402 and ISO 11171.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSemiconductor laser light source for consistent and reliable optical performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBroad particle measurement range from 1 µm to 500 µm.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh repeatability with RSD below 2%, ensuring consistent measurement accuracy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdjustable flow rate range from 5 to 60 mL\/min, with a standard operating rate of 25 mL\/min for measurement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTheory and Method\u003c\/h2\u003e\n\u003cp\u003eQualiOPC™ 60 operates on the optical light-blocking principle for liquid particle detection and analysis. When suspended particles pass through the sensing zone, they partially obstruct the laser beam, creating measurable signal variations. These signal changes are processed to determine particle size distribution and particle count data.\u003c\/p\u003e\n\u003cp\u003eThis measurement approach is widely used in fluid contamination monitoring due to its ability to directly evaluate solid particles suspended in oils and industrial liquids. It enables reliable assessment of fluid cleanliness in real time and supports consistent monitoring across different system types.\u003c\/p\u003e\n\u003cp\u003eDesigned as a high-sensitivity optical sensing component, QualiOPC™ 60 delivers stable operation, fine resolution, and repeatable measurement performance when integrated into portable, inline, or laboratory particle counting systems.\u003c\/p\u003e\n\u003ch2\u003eParticle Counter Sensor - QualiOPC™ 60 Technical Specification\u003c\/h2\u003e\n\u003ctable class=\"table\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eQualiOPC™ 60\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eQualiOPC™ 60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eParticle Counter Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Source\u003c\/td\u003e\n\u003ctd\u003eSemiconductor laser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetection Principle\u003c\/td\u003e\n\u003ctd\u003eOptical light-blocking method\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParticle Size Range\u003c\/td\u003e\n\u003ctd\u003e1 μm to 500 μm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e1 μm (ISO 4402) or 4 μm(c) \/ 4 μm based on ISO 11171\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetection Speed\u003c\/td\u003e\n\u003ctd\u003e5 to 60 mL\/min, default 25 mL\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCleaning Speed\u003c\/td\u003e\n\u003ctd\u003e5 to 60 mL\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoincidence Error Limit\u003c\/td\u003e\n\u003ctd\u003e12,000 to 40,000 particles\/mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003eRSD \u0026lt; 2%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSample Temperature\u003c\/td\u003e\n\u003ctd\u003e0°C to 80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e214 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Height\u003c\/td\u003e\n\u003ctd\u003e115 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHead Diameter\u003c\/td\u003e\n\u003ctd\u003e52 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTail Diameter\u003c\/td\u003e\n\u003ctd\u003e46 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eMovable fixture, M4 screw mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003ePortable and online particle counter systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCalibration Support\u003c\/td\u003e\n\u003ctd\u003eISO 4402, ISO 11171\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Qualitest USA LC","offers":[{"title":"Default Title","offer_id":52178688835895,"sku":null,"price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/particle-counter-sensor680606269.webp?v=1779382044","url":"https:\/\/qualitest.us\/pt\/products\/particle-counter-sensor","provider":"Qualitest USA LC","version":"1.0","type":"link"}