{"product_id":"online-particle-counter-qualiopc-ol1","title":"Online Particle Counter - QualiOPC™ OL1","description":"\u003ch2\u003eOnline Particle Counter – QualiOPC™ OL1\u003c\/h2\u003e\n\u003cp\u003eContinuous contamination monitoring is critical where fluid cleanliness directly impacts system reliability. The QualiOPC™ OL1 is an online particle counter designed for real-time measurement of particulate contamination in hydraulic oils, lubricating oils, and a wide range of industrial fluids. It uses semiconductor laser optics with the light-blocking detection principle to deliver consistent particle count data while systems remain in operation.\u003c\/p\u003e\n\u003cp\u003eBuilt for uninterrupted online monitoring, this model integrates smoothly into industrial condition monitoring setups. It provides real-time cleanliness grading along with stable, repeatable measurements, making it suitable for applications where ongoing insight is required rather than periodic sampling.\u003c\/p\u003e\n\u003cp\u003eThe QualiOPC™ OL1 supports automated continuous detection with configurable test intervals and live flow monitoring. Communication flexibility is supported through RS485 and RS232 interfaces, with optional 4–20 mA output for process integration. Data storage via USB allows convenient result logging, while an optional water activity sensor enables detection of micro-level moisture content in oil systems.\u003c\/p\u003e\n\u003cp\u003eDesigned as a compact solution for on-site continuous monitoring, the Online Particle Counter – QualiOPC™ OL1 tracks particle concentration and cleanliness trends in real time. This helps maintenance teams identify developing contamination issues earlier and respond quickly, improving operational stability without disrupting system performance.\u003c\/p\u003e\n\u003cp\u003eThe instrument integrates a semiconductor laser, high-precision sensing components, and a light-blocking measurement system within a durable aluminum housing. Its construction is optimized for demanding industrial environments, offering strong resistance to electrical interference, elevated temperatures, and pressure variations, making it suitable for harsh operating conditions where reliability is essential.\u003c\/p\u003e\n\u003ch2\u003eOnline Particle Counter – QualiOPC™ OL1 Applications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHydraulic Systems:\u003c\/strong\u003e\u003cbr\u003eQualiOPC™ OL1 is well-suited for continuous contamination monitoring in hydraulic circuits. It provides real-time particle data that supports maintenance planning, helps track contamination trends, and reduces the risk of wear-related damage to critical components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLubrication Monitoring:\u003c\/strong\u003e\u003cbr\u003eThe system is designed for use in lubrication networks such as turbine oils, compressor systems, gear oils, and bearing lubrication lines. It supports continuous oil cleanliness tracking, making it valuable for reliability-focused maintenance programs and equipment protection strategies.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIndustrial Manufacturing:\u003c\/strong\u003e\u003cbr\u003eIn production and process environments, QualiOPC™ OL1 delivers continuous online cleanliness information that supports quality control and maintenance decision-making. With multiple communication interfaces, it can be integrated into plant-wide monitoring and automation systems for streamlined data flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower, Heavy Equipment, and Marine Applications:\u003c\/strong\u003e\u003cbr\u003eThe instrument is suitable for demanding operational environments across power generation, heavy machinery, transportation, and marine systems. It provides reliable contamination monitoring in conditions where equipment performance, system stability, and operational continuity are critical.\u003c\/p\u003e\n\u003ch2\u003eStandards\u003c\/h2\u003e\n\u003cp\u003eQualiOPC™ OL1 aligns with internationally recognized fluid cleanliness and particle contamination standards used in industrial, power, and aerospace applications.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eISO 4406\u003c\/strong\u003e – Defines fluid cleanliness coding based on particle count levels in hydraulic and lubrication systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNAS 1638\u003c\/strong\u003e – Provides a classification system for contamination levels in aerospace and high-precision fluid systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSAE AS4059\u003c\/strong\u003e – Establishes cleanliness classification for aerospace and industrial fluid applications based on particle distribution.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eISO 4402\u003c\/strong\u003e – Historical calibration reference standard for liquid automatic particle counters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eISO 11171\u003c\/strong\u003e – Current calibration and verification standard for automatic particle counting instruments, ensuring measurement accuracy and traceability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eROCT 17216\u003c\/strong\u003e – Russian standard for particle contamination classification in working fluids used across industrial systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eOnline Particle Counter – QualiOPC™ OL1 Key Features\u003c\/h2\u003e\n\u003cp\u003eQualiOPC™ OL1 is designed for continuous, real-time monitoring of particle contamination in hydraulic and lubrication systems, providing consistent insight into fluid cleanliness without interrupting operation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eReal-time online monitoring enables continuous tracking of particle contamination in hydraulic and lubrication circuits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSemiconductor laser light source combined with a light-blocking detection method ensures fast response and stable particle measurement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-precision particle sensor delivers strong resolution and reliable particle counting performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAutomatic continuous detection with configurable sampling intervals for flexible monitoring cycles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReal-time flow monitoring provides visibility of fluid conditions as they pass through the sensing zone.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMulti-standard cleanliness compatibility with configuration options to match application needs. Key reference standards include ISO 4406, NAS 1638, SAE AS4059, ISO 4402, ISO 11171, and ROCT 17216 for North American and international use cases.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCalibration support aligned with ISO 4402 and ISO 11171 for measurement consistency and traceability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCommunication interfaces including RS485, RS232, and optional 4–20 mA output for integration with PLCs, industrial systems, and monitoring platforms.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUSB-based data export and onboard storage for easy reporting and record keeping.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOptional water activity sensor enables detection of micro-level moisture in oil systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRugged aluminum housing provides strong resistance to electrical interference, temperature variations, and pressure fluctuations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompact design allows installation in space-constrained online monitoring points across industrial systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTheory and Method\u003c\/h2\u003e\n\u003cp\u003eQualiOPC™ OL1 operates using the light-blocking principle, also known as the shading method. In this approach, particles suspended in the fluid pass through a focused laser sensing zone and temporarily interrupt the light beam. These interruptions are converted into electrical signals, which are then processed to determine particle size distribution and total particle count.\u003c\/p\u003e\n\u003cp\u003eThis measurement principle is widely used in fluid cleanliness analysis due to its fast response time, strong immunity to external interference, consistent repeatability, and high level of measurement accuracy.\u003c\/p\u003e\n\u003cp\u003eQualiOPC™ OL1 is engineered for continuous online monitoring rather than batch sampling. It continuously analyzes flowing fluids, delivering real-time particle contamination data and cleanliness grading without interrupting system operation. Users can configure detection intervals according to application requirements, allowing flexible monitoring strategies.\u003c\/p\u003e\n\u003cp\u003eIn addition, the system includes real-time flow monitoring through the sensing channel, ensuring stable measurement conditions and improving data reliability during long-term operation in hydraulic and lubrication systems.\u003c\/p\u003e\n\u003ch2\u003eOnline Particle Counter - QualiOPC™ OL1 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™ OL1\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Name\u003c\/td\u003e\n\u003ctd\u003eOnline Particle Counter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eQualiOPC™ OL1\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\u003eLight-blocking \/ shading method\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParticle Size Range\u003c\/td\u003e\n\u003ctd\u003e1 μm–600 μm, depending on selected sensor\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)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounting Volume\u003c\/td\u003e\n\u003ctd\u003e10 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounting Accuracy\u003c\/td\u003e\n\u003ctd\u003e±1 pollution level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTest Sample Temperature\u003c\/td\u003e\n\u003ctd\u003e0°C to 80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-30°C to 80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003eDC 9 V or DC 12–36 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetection Channels\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFixed Particle Sizes\u003c\/td\u003e\n\u003ctd\u003e1, 2, 5, 10, 15, 25, 50, 100 μm or 4, 4.6, 6, 10, 14, 21, 38, 70 μm(c)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow Rate Range\u003c\/td\u003e\n\u003ctd\u003e10–50 mL\/min or 50–300 mL\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOnline Test Pressure\u003c\/td\u003e\n\u003ctd\u003e0.2–10 MPa; optional pressure-reducing device up to 40 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResult Storage\u003c\/td\u003e\n\u003ctd\u003eUSB interface to USB disk\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e100 × 75 × 70 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eAbout 1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunications\u003c\/td\u003e\n\u003ctd\u003eRS485 or RS232; optional 4–20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptional Feature\u003c\/td\u003e\n\u003ctd\u003eWater activity sensor for micro-water content in oil\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":52178587615543,"sku":null,"price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/online-particle-counter-qualiopctm-ol1649020456.webp?v=1779380764","url":"https:\/\/qualitest.us\/products\/online-particle-counter-qualiopc-ol1","provider":"Qualitest USA LC","version":"1.0","type":"link"}