{"product_id":"oxygen-nitrogen-hydrogen-analyzer","title":"Oxygen Nitrogen Hydrogen Analyzer","description":"\u003cp\u003eThe ONH-3500 Oxygen Nitrogen Hydrogen Analyzer is an advanced analytical system engineered to measure oxygen, nitrogen, and hydrogen content in ferrous and non-ferrous metals, rare earth elements, alloys, and a wide range of inorganic materials. It delivers precise elemental analysis to support quality control and material evaluation across industrial applications.\u003c\/p\u003e\n\u003ch2\u003eOxygen Nitrogen Hydrogen Analyzer ONH-3500 Principle:\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIntroduction:\u003c\/strong\u003e\u003cbr\u003eThe system operates on pulse heating inert gas fusion technology. Oxygen (O) is measured using NDIR (Non-Dispersive Infrared Absorption), while nitrogen and hydrogen (N\/H) are detected through TCD (Thermal Conductivity Detection).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWorking Curves:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/Oxygen_20Nitrogen_20Hydrogen_20Analyzer_20ONH-3500_20-_203.webp?v=1776702522\" alt=\"\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMain Analysis Window:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/Oxygen_20Nitrogen_20Hydrogen_20Analyzer_20ONH-3500_20-_204.webp?v=1776702522\" alt=\"\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eOxygen Nitrogen Hydrogen Analyzer ONH-3500 Features\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eParameters Configuration:\u003c\/strong\u003e\u003cbr\u003eAnalysis settings for outgassing, flux, and related conditions can be adjusted according to sample properties. Dedicated analytical methods with defined parameters and calibration curves can be created for different sample types and securely stored in the system database.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Function:\u003c\/strong\u003e\u003cbr\u003eReal-time monitoring and display of cooling water temperature, furnace voltage and current, and catalyst heater temperature. Valve operations are also monitored. The system allows adjustment and visualization of IR and TCD baselines along with furnace control functions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSoftware:\u003c\/strong\u003e\u003cbr\u003eProvides rapid display of analytical results with automatic data saving after each test. Supports dynamic plotting of release curves and direct transfer of sample weight from balance to computer. Results are calculated using calibration curves, with automatic selection of high or low concentration channels based on sample content.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eData Processing:\u003c\/strong\u003e\u003cbr\u003eUses ACCESS database for efficient data management and storage. Supports data search, statistical analysis, and printing functions. Data can be organized by date or sample name, along with detailed analysis of release curves.\u003c\/p\u003e\n\u003ch2\u003eOxygen Nitrogen Hydrogen Analyzer ONH-3500\u003c\/h2\u003e\n\u003ch3\u003eTypical data:\u003c\/h3\u003e\n\u003ctable cellspacing=\"1\" cellpadding=\"1\" border=\"1\" class=\"table\" style=\"width: 100.036%; height: 153.2px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd colspan=\"4\" class=\"text-align-center\" style=\"width: 96.3995%; height: 19.6px;\"\u003eContent: O:88ppm N: 32ppm H: 5.8ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd class=\"text-align-center\" style=\"width: 26.7447%; height: 19.6px;\"\u003eSample No.\u003c\/td\u003e\n\u003ctd class=\"text-align-center\" style=\"width: 23.3045%; height: 19.6px;\"\u003eO content\u003c\/td\u003e\n\u003ctd class=\"text-align-center\" style=\"width: 23.2709%; height: 19.6px;\"\u003eN content\u003c\/td\u003e\n\u003ctd class=\"text-align-center\" style=\"width: 23.0793%; height: 19.6px;\"\u003eH content\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd class=\"text-align-center\" style=\"width: 26.7447%; height: 19.6px;\"\u003e1\u003c\/td\u003e\n\u003ctd class=\"text-align-center\" style=\"width: 23.3045%; height: 19.6px;\"\u003e0.00878\u003c\/td\u003e\n\u003ctd class=\"text-align-center\" style=\"width: 23.2709%; height: 19.6px;\"\u003e0.00315\u003c\/td\u003e\n\u003ctd class=\"text-align-center\" style=\"width: 23.0793%; height: 19.6px;\"\u003e0.000591\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd class=\"text-align-center\" style=\"width: 26.7447%; height: 19.6px;\"\u003e2\u003c\/td\u003e\n\u003ctd class=\"text-align-center\" style=\"width: 23.3045%; height: 19.6px;\"\u003e0.00882\u003c\/td\u003e\n\u003ctd class=\"text-align-center\" style=\"width: 23.2709%; height: 19.6px;\"\u003e0.00319\u003c\/td\u003e\n\u003ctd class=\"text-align-center\" style=\"width: 23.0793%; height: 19.6px;\"\u003e0.000577\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd class=\"text-align-center\" style=\"width: 26.7447%; height: 19.6px;\"\u003e3\u003c\/td\u003e\n\u003ctd class=\"text-align-center\" style=\"width: 23.3045%; height: 19.6px;\"\u003e0.00865\u003c\/td\u003e\n\u003ctd class=\"text-align-center\" style=\"width: 23.2709%; height: 19.6px;\"\u003e0.00321\u003c\/td\u003e\n\u003ctd class=\"text-align-center\" style=\"width: 23.0793%; height: 19.6px;\"\u003e0.000592\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd class=\"text-align-center\" style=\"width: 26.7447%; height: 19.6px;\"\u003e4\u003c\/td\u003e\n\u003ctd class=\"text-align-center\" style=\"width: 23.3045%; height: 19.6px;\"\u003e0.00870\u003c\/td\u003e\n\u003ctd class=\"text-align-center\" style=\"width: 23.2709%; height: 19.6px;\"\u003e0.00316\u003c\/td\u003e\n\u003ctd class=\"text-align-center\" style=\"width: 23.0793%; height: 19.6px;\"\u003e0.000580\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.6px;\"\u003e\n\u003ctd class=\"text-align-center\" style=\"width: 26.7447%; height: 35.6px;\"\u003e5\u003c\/td\u003e\n\u003ctd class=\"text-align-center\" style=\"width: 23.3045%; height: 35.6px;\"\u003e0.00900\u003c\/td\u003e\n\u003ctd class=\"text-align-center\" style=\"width: 23.2709%; height: 35.6px;\"\u003e0.00312\u003c\/td\u003e\n\u003ctd style=\"width: 23.0793%; height: 35.6px;\"\u003e\n\u003cp class=\"text-align-center\"\u003e0.000558\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth class=\"text-align-left\"\u003eRange\u003c\/th\u003e\n\u003ctd\u003e\n\u003cp\u003eOxygen:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLow Oxygen: 0.1ppm ~ 0.5%\u003c\/li\u003e\n\u003cli\u003eHigh Oxygen: 0.5% ~ 20%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003eNitrogen:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLow Nitrogen: 0.1ppm ~ 0.5%\u003c\/li\u003e\n\u003cli\u003eHigh Nitrogen: 0.5% ~ 50%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHydrogen:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLow Hydrogen: 0.1ppm ~ 200ppm\u003c\/li\u003e\n\u003cli\u003eHigh Hydrogen: 200ppm ~ 5000ppm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: * the measurement range can be changed by changing the measurement quantity.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"text-align-left\"\u003eSensitivity\u003c\/th\u003e\n\u003ctd\u003e\n\u003cp\u003eOxygen, Nitrogen, and Hydrogen:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e0.01ppm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"text-align-left\"\u003eRepeatability\u003c\/th\u003e\n\u003ctd\u003e\n\u003cul\u003e\n\u003cli\u003eOxygen and Nitrogen: 1ppm or 1%\u003c\/li\u003e\n\u003cli\u003eHydrogen: 0.2ppm or 2%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"text-align-left\"\u003eSample Mass\u003c\/th\u003e\n\u003ctd\u003e1g (Sample mass can be changed according to the content)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"text-align-left\"\u003eAnalysis Time\u003c\/th\u003e\n\u003ctd\u003eAbout 3 min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"text-align-left\"\u003eCarrier Gas\u003c\/th\u003e\n\u003ctd\u003eHigh purity helium for O\/N, high purity nitrogen for H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"text-align-left\"\u003ePneumatic Gas\u003c\/th\u003e\n\u003ctd\u003eNitrogen or compressed air\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"text-align-left\"\u003eStructure\u003c\/th\u003e\n\u003ctd\u003e\n\u003cul\u003e\n\u003cli\u003eModular Structure\u003c\/li\u003e\n\u003cli\u003eIncluding Analyzer\u003c\/li\u003e\n\u003cli\u003eComputer\u003c\/li\u003e\n\u003cli\u003eElectronic Balance\u003c\/li\u003e\n\u003cli\u003ePrinter\u003c\/li\u003e\n\u003cli\u003eWater Circulate Chillers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003eNote: * is optional.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"text-align-left\"\u003eDetection System\u003c\/th\u003e\n\u003ctd\u003e\n\u003cp\u003eA Solid-state Infrared detector is used for Oxygen. Thermo-conductivity detector is used for Nitrogen and hydrogen.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInfrared Cells: Two IR cells are installed in the analyzer. The length of each cell can be customized according to the content of samples\u003c\/li\u003e\n\u003cli\u003eDetector: Solid-state pyroelectric detector made in Germany\u003c\/li\u003e\n\u003cli\u003eMotor: Synchronous motor made in Swiss\u003c\/li\u003e\n\u003cli\u003eSource: Anti-oxide, stable IR emitter made in US\u003c\/li\u003e\n\u003cli\u003eTemperature control: Keep the constant temperature in the whole infrared unit to make sure the temperature of detected gas is stable and the results are accurate\u003c\/li\u003e\n\u003cli\u003eProtecting gas: The infrared emitter and the detector are separated from the ambient by nitrogen, which can improve the stability and the accuracy\u003c\/li\u003e\n\u003cli\u003eThermo-conductivity (TCD) detecting unit: Anti-oxide NTC thermistor\u003c\/li\u003e\n\u003cli\u003eSignal processing: A small current control technique is developed to make sure the thermistors can be used without carrier gas\u003c\/li\u003e\n\u003cli\u003eReference gas circuit: Low flow control technique is used\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"text-align-left\"\u003eGas Flow Control\u003c\/th\u003e\n\u003ctd\u003eHigh sensitive and accurate electric flow control technique based on the low-pressure difference is applied, and an Anti-Overshoot System is applied\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"text-align-left\"\u003ePulse Heating Electrode Furnace\u003c\/th\u003e\n\u003ctd\u003e\n\u003cul\u003e\n\u003cli\u003ePower: Max.7.5KVA\u003c\/li\u003e\n\u003cli\u003eTemperature: Max.3000℃\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"text-align-left\"\u003eCalibration\u003c\/th\u003e\n\u003ctd\u003e\n\u003col\u003e\n\u003cli\u003eFast calibration\u003c\/li\u003e\n\u003cli\u003eNormal calibration\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"text-align-left\"\u003ePower\u003c\/th\u003e\n\u003ctd\u003e220VAC±10%, 50±1Hz, current max. 50A (Max.10KW)\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":52008448295223,"sku":null,"price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/oxygen-nitrogen-hydrogen-analyzer-onh-35001384703799.webp?v=1776702523","url":"https:\/\/qualitest.us\/products\/oxygen-nitrogen-hydrogen-analyzer","provider":"Qualitest USA LC","version":"1.0","type":"link"}