{"product_id":"horiba-compact-nitrate-ion-meter-laquatwin-no3-11","title":"HORIBA Compact Nitrate Ion Meter LAQUAtwin NO3-11","description":"\u003cstyle\u003e\n  .laqua-product {\n    width: 100%;\n  }\n\n  .laqua-product h2 {\n    margin-top: 32px;\n    margin-bottom: 14px;\n  }\n\n  .laqua-product h3 {\n    margin: 0 0 8px;\n    font-size: 18px;\n    line-height: 1.4;\n  }\n\n  .laqua-product p {\n    line-height: 1.7;\n  }\n\n  .laqua-product ul {\n    margin-top: 0;\n    padding-left: 22px;\n  }\n\n  .laqua-product li {\n    margin-bottom: 7px;\n    line-height: 1.6;\n  }\n\n  .laqua-note {\n    margin: 14px 0 18px;\n    padding: 13px 16px;\n    border: 1px solid #d9d9d9;\n    background: #f7f7f7;\n    line-height: 1.7;\n  }\n\n  .laqua-methods {\n    margin-top: 10px;\n  }\n\n  .laqua-method {\n    display: grid;\n    grid-template-columns: minmax(0, 1fr) 230px;\n    gap: 22px;\n    align-items: center;\n    padding: 18px 0;\n    border-bottom: 1px solid #dddddd;\n  }\n\n  .laqua-method:first-child {\n    border-top: 1px solid #dddddd;\n  }\n\n  .laqua-method-text p {\n    margin: 0;\n  }\n\n  .laqua-method-image {\n    display: flex;\n    justify-content: center;\n    align-items: center;\n  }\n\n  .laqua-method-image img {\n    display: block;\n    width: 100%;\n    max-width: 230px;\n    height: auto;\n  }\n\n  .laqua-table-wrap {\n    width: 100%;\n    overflow-x: auto;\n  }\n\n  .laqua-spec-table {\n    width: 100%;\n    min-width: 620px;\n    border-collapse: collapse;\n  }\n\n  .laqua-spec-table th,\n  .laqua-spec-table td {\n    padding: 10px 12px;\n    border: 1px solid #dddddd;\n    vertical-align: top;\n    line-height: 1.6;\n  }\n\n  .laqua-spec-table th {\n    width: 31%;\n    text-align: left;\n    font-weight: 700;\n    background: #f7f7f7;\n  }\n\n  .laqua-spec-table p {\n    margin: 0 0 5px;\n  }\n\n  .laqua-spec-table p:last-child {\n    margin-bottom: 0;\n  }\n\n  .laqua-footnotes {\n    margin-top: 14px;\n    font-size: 0.92em;\n    line-height: 1.65;\n  }\n\n  .laqua-footnotes p {\n    margin: 0 0 7px;\n  }\n\n  .laqua-technical-notes {\n    margin-top: 28px;\n    border: 1px solid #dddddd;\n    background: #fafafa;\n  }\n\n  .laqua-technical-notes summary {\n    padding: 13px 16px;\n    cursor: pointer;\n    font-weight: 700;\n  }\n\n  .laqua-technical-notes-content {\n    padding: 0 16px 14px;\n  }\n\n  .laqua-technical-notes-content p {\n    margin: 8px 0 0;\n  }\n\n  @media screen and (max-width: 749px) {\n    .laqua-method {\n      grid-template-columns: 1fr;\n      gap: 12px;\n    }\n\n    .laqua-method-image {\n      justify-content: flex-start;\n    }\n\n    .laqua-method-image img {\n      max-width: 100%;\n    }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"laqua-product\"\u003e\n\n  \u003ch2\u003eSUMMARY\u003c\/h2\u003e\n\n  \u003cp\u003e\n    This compact nitrate ion meter measures nitrate ion concentration by\n    applying a small amount of sample, from only 0.3 mL, directly to the flat\n    sensor.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    LAQUAtwin's unique planar ion-selective electrode enables quick and reliable\n    measurement over a wide concentration range in a compact, portable format.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    The general-purpose NO3-11 is useful for soil and crop management, food and\n    agricultural product testing, environmental measurement, and other nitrate\n    analysis applications.\n  \u003c\/p\u003e\n\n\n  \u003ch2\u003eFEATURES\u003c\/h2\u003e\n\n  \u003cul\u003e\n    \u003cli\u003e\n      Measures nitrate ion concentration from only 0.3 mL of sample\n    \u003c\/li\u003e\n    \u003cli\u003e\n      Measurement possible from 0.05 mL when using Sampling Sheet B\n    \u003c\/li\u003e\n    \u003cli\u003e\n      Flat nitrate ion-selective sensor\n    \u003c\/li\u003e\n    \u003cli\u003e\n      Measures both nitrate ion (NO\u003csub\u003e3\u003c\/sub\u003e\u003csup\u003e−\u003c\/sup\u003e) and\n      nitrate-nitrogen (NO\u003csub\u003e3\u003c\/sub\u003e-N)\n    \u003c\/li\u003e\n    \u003cli\u003e\n      Wide nitrate measurement range from 6 to 9900 ppm (mg\/L)\n    \u003c\/li\u003e\n    \u003cli\u003e\n      Up to two calibration points\n    \u003c\/li\u003e\n    \u003cli\u003e\n      Automatic recognition of the default 150 ppm and 2000 ppm standard solutions\n    \u003c\/li\u003e\n    \u003cli\u003e\n      Low- and high-concentration calibration points can be adjusted\n    \u003c\/li\u003e\n    \u003cli\u003e\n      Multiplication compensation from 0.01 to 9.90\n    \u003c\/li\u003e\n    \u003cli\u003e\n      Concentration, temperature, and mV display modes\n    \u003c\/li\u003e\n    \u003cli\u003e\n      Temperature sensor adjustment function\n    \u003c\/li\u003e\n    \u003cli\u003e\n      Auto Hold function\n    \u003c\/li\u003e\n    \u003cli\u003e\n      Auto Stability function\n    \u003c\/li\u003e\n    \u003cli\u003e\n      Backlit monochrome digital LCD\n    \u003c\/li\u003e\n    \u003cli\u003e\n      Automatic power-off after 30 minutes\n    \u003c\/li\u003e\n    \u003cli\u003e\n      Remaining battery level display\n    \u003c\/li\u003e\n    \u003cli\u003e\n      IP67 water-resistant construction\n    \u003c\/li\u003e\n    \u003cli\u003e\n      Replaceable sensor\n    \u003c\/li\u003e\n    \u003cli\u003e\n      Portable storage case and measurement accessories included\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\n\n  \u003ch2\u003eVERSATILE SAMPLING METHODS\u003c\/h2\u003e\n\n  \u003cp\u003e\n    LAQUAtwin's flat-sensor design allows samples to be applied or collected in\n    several convenient ways. Choose the method that suits the sample and\n    measurement purpose.\n  \u003c\/p\u003e\n\n  \u003cdiv class=\"laqua-note\"\u003e\n    \u003cstrong\u003eNote:\u003c\/strong\u003e\n    Depending on the sample, preparation such as extraction, dilution,\n    filtration, or the addition of pure water may be required. Use consistent\n    preparation conditions when comparing measurement results.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"laqua-methods\"\u003e\n\n    \u003cdiv class=\"laqua-method\"\u003e\n      \u003cdiv class=\"laqua-method-text\"\u003e\n        \u003ch3\u003eDirect Drop Measurement\u003c\/h3\u003e\n        \u003cp\u003e\n          Apply a liquid sample directly to the flat sensor with a dropper,\n          syringe, or pipette. The NO3-11 requires at least 0.3 mL for direct\n          measurement. Sampling Sheet B allows measurement from as little as\n          0.05 mL.\n        \u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"laqua-method-image\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0572\/7027\/2043\/files\/to_drip.webp?v=1784184907\" alt=\"Applying a liquid sample directly to a LAQUAtwin nitrate ion sensor\" loading=\"lazy\"\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n\n    \u003cdiv class=\"laqua-method\"\u003e\n      \u003cdiv class=\"laqua-method-text\"\u003e\n        \u003ch3\u003eImmersion Measurement\u003c\/h3\u003e\n        \u003cp\u003e\n          For liquid samples in a beaker or container, the sensor can be\n          immersed directly in the sample. Open the sliding cap on the sensor\n          guard before measurement.\n        \u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"laqua-method-image\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0572\/7027\/2043\/files\/Soak.webp?v=1784184907\" alt=\"Immersing a LAQUAtwin nitrate ion sensor directly in a liquid sample\" loading=\"lazy\"\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n\n    \u003cdiv class=\"laqua-method\"\u003e\n      \u003cdiv class=\"laqua-method-text\"\u003e\n        \u003ch3\u003eScoop Sampling\u003c\/h3\u003e\n        \u003cp\u003e\n          The sensor guard can be used to scoop a liquid sample directly from\n          a river, lake, tank, nutrient solution, or other sampling location\n          for convenient on-site measurement.\n        \u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"laqua-method-image\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0572\/7027\/2043\/files\/Scoop_up.webp?v=1784184907\" alt=\"Scooping a liquid sample directly with a LAQUAtwin nitrate ion meter\" loading=\"lazy\"\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n\n    \u003cdiv class=\"laqua-method\"\u003e\n      \u003cdiv class=\"laqua-method-text\"\u003e\n        \u003ch3\u003eMoist Solid Samples\u003c\/h3\u003e\n        \u003cp\u003e\n          Moist solid samples such as foods or plant materials can be cut into\n          small pieces and placed directly on the flat sensor when sufficient\n          liquid makes contact with the electrode.\n        \u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"laqua-method-image\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0572\/7027\/2043\/files\/Solid_matter.webp?v=1784184907\" alt=\"Placing a moist sample on a LAQUAtwin nitrate ion sensor\" loading=\"lazy\"\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n\n    \u003cdiv class=\"laqua-method\"\u003e\n      \u003cdiv class=\"laqua-method-text\"\u003e\n        \u003ch3\u003ePowder Samples\u003c\/h3\u003e\n        \u003cp\u003e\n          Place the powder sample on the flat sensor and add a fixed amount of\n          pure water before measurement. Keep the sample amount and water\n          volume consistent when comparing results.\n        \u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"laqua-method-image\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0572\/7027\/2043\/files\/Powder.webp?v=1784184907\" alt=\"Measuring a powder sample with a LAQUAtwin nitrate ion sensor\" loading=\"lazy\"\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n\n    \u003cdiv class=\"laqua-method\"\u003e\n      \u003cdiv class=\"laqua-method-text\"\u003e\n        \u003ch3\u003ePaper, Textiles, and Sheet-like Samples\u003c\/h3\u003e\n        \u003cp\u003e\n          Cut the sample into small pieces, place them on the flat sensor, and\n          add a fixed amount of pure water to measure nitrate extracted from the\n          material.\n        \u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"laqua-method-image\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0572\/7027\/2043\/files\/Sheet-like.webp?v=1784184907\" alt=\"Measuring a sheet-like sample with a LAQUAtwin nitrate ion meter\" loading=\"lazy\"\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n\n  \u003ch2\u003eSPECIFICATIONS\u003c\/h2\u003e\n\n  \u003cdiv class=\"laqua-table-wrap\"\u003e\n    \u003ctable class=\"laqua-spec-table\"\u003e\n      \u003ctbody\u003e\n\n        \u003ctr\u003e\n          \u003cth scope=\"row\"\u003eModel\u003c\/th\u003e\n          \u003ctd\u003eLAQUAtwin-NO3-11\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth scope=\"row\"\u003eIntended Use\u003c\/th\u003e\n          \u003ctd\u003eGeneral nitrate measurement\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth scope=\"row\"\u003eMeasurement Principle\u003c\/th\u003e\n          \u003ctd\u003eIon-selective electrode method\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth scope=\"row\"\u003eRequired Sample Volume\u003c\/th\u003e\n          \u003ctd\u003e\n            0.3 mL or more\u003cbr\u003e\n            Measurement from 0.05 mL is possible when using Sampling Sheet\n            B\u003csup\u003e*1\u003c\/sup\u003e\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth scope=\"row\"\u003eMeasurement Range\u003c\/th\u003e\n          \u003ctd\u003e\n            \u003cp\u003e\n              Nitrate ion (NO\u003csub\u003e3\u003c\/sub\u003e\u003csup\u003e−\u003c\/sup\u003e):\n              6 to 9900 ppm (mg\/L)\n            \u003c\/p\u003e\n            \u003cp\u003e\n              Nitrate-nitrogen (NO\u003csub\u003e3\u003c\/sub\u003e-N):\n              1.4 to 2200 ppm (mg\/L)\n            \u003c\/p\u003e\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth scope=\"row\"\u003e\n            Nitrate Ion Resolution\n          \u003c\/th\u003e\n          \u003ctd\u003e\n            \u003cp\u003e6 to 99 ppm: 1 ppm\u003c\/p\u003e\n            \u003cp\u003e100 to 990 ppm: 10 ppm\u003c\/p\u003e\n            \u003cp\u003e1000 to 9900 ppm: 100 ppm\u003c\/p\u003e\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth scope=\"row\"\u003eTemperature Display Range \/ Resolution\u003c\/th\u003e\n          \u003ctd\u003e0 to 50°C \/ 0.1°C\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth scope=\"row\"\u003eCalibration\u003c\/th\u003e\n          \u003ctd\u003e\n            Up to 2 points\u003cbr\u003e\n            Default calibration values: 150 ppm and 2000 ppm\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth scope=\"row\"\u003eAccuracy\u003c\/th\u003e\n          \u003ctd\u003e±10% of the reading\u003csup\u003e*2\u003c\/sup\u003e\n\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth scope=\"row\"\u003eMain Functions\u003c\/th\u003e\n          \u003ctd\u003e\n            \u003cp\u003eAutomatic recognition of 150 ppm and 2000 ppm standard solutions\u003c\/p\u003e\n            \u003cp\u003eAdjustable low- and high-concentration calibration points\u003c\/p\u003e\n            \u003cp\u003eMultiplication compensation: 0.01 to 9.90\u003c\/p\u003e\n            \u003cp\u003eConcentration, temperature, and mV display\u003c\/p\u003e\n            \u003cp\u003eTemperature sensor adjustment function\u003c\/p\u003e\n            \u003cp\u003eAuto Hold\u003c\/p\u003e\n            \u003cp\u003eAuto Stability function\u003c\/p\u003e\n            \u003cp\u003eAutomatic power-off after 30 minutes\u003c\/p\u003e\n            \u003cp\u003eRemaining battery level display\u003c\/p\u003e\n            \u003cp\u003eReplaceable sensor\u003c\/p\u003e\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth scope=\"row\"\u003eWater Resistance\u003c\/th\u003e\n          \u003ctd\u003eIP67\u003csup\u003e*3\u003c\/sup\u003e\n\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth scope=\"row\"\u003eDisplay\u003c\/th\u003e\n          \u003ctd\u003eCustom monochrome digital LCD with backlight\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth scope=\"row\"\u003eOperating Environment\u003c\/th\u003e\n          \u003ctd\u003e\n            5 to 40°C, 85% relative humidity or less, non-condensing\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth scope=\"row\"\u003ePower Supply\u003c\/th\u003e\n          \u003ctd\u003eTwo 3 V CR2032 coin-type lithium batteries\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth scope=\"row\"\u003eBattery Life\u003c\/th\u003e\n          \u003ctd\u003e\n            Approximately 400 hours of continuous use with the backlight\n            switched off\u003csup\u003e*4\u003c\/sup\u003e\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth scope=\"row\"\u003eMain Material\u003c\/th\u003e\n          \u003ctd\u003eABS resin\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth scope=\"row\"\u003eDimensions and Weight\u003c\/th\u003e\n          \u003ctd\u003e\n            W164 × H29 × D20 mm, excluding protruding parts\u003cbr\u003e\n            Approximately 50 g, excluding batteries\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth scope=\"row\"\u003eIncluded Accessories\u003c\/th\u003e\n          \u003ctd\u003e\n            \u003cp\u003eS040 nitrate ion sensor\u003c\/p\u003e\n            \u003cp\u003eTwo CR2032 coin-type lithium batteries\u003c\/p\u003e\n            \u003cp\u003eOne dropper\u003c\/p\u003e\n            \u003cp\u003eInstruction manual\u003c\/p\u003e\n            \u003cp\u003eQuick manual\u003c\/p\u003e\n            \u003cp\u003eStorage case\u003c\/p\u003e\n            \u003cp\u003e150 ppm nitrate ion standard solution, 14 mL × 1 bottle\u003c\/p\u003e\n            \u003cp\u003e2000 ppm nitrate ion standard solution, 14 mL × 1 bottle\u003c\/p\u003e\n            \u003cp\u003eSampling Sheet B × 5 sheets\u003c\/p\u003e\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth scope=\"row\"\u003eMain Consumables\u003c\/th\u003e\n          \u003ctd\u003e\n            \u003cp\u003eS040: Nitrate ion sensor\u003c\/p\u003e\n            \u003cp\u003eY043: 2000 ppm nitrate ion standard solution\u003c\/p\u003e\n            \u003cp\u003eY045: 150 ppm nitrate ion standard solution\u003c\/p\u003e\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n\n  \u003cdiv class=\"laqua-footnotes\"\u003e\n\n    \u003cp\u003e\n      \u003cstrong\u003e*1\u003c\/strong\u003e\n      Measurement is possible from 0.05 mL when using Sampling Sheet B.\n      Close the light shield cover during measurement. For samples containing\n      fine particles, use a separate sampling-sheet holder cover.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      \u003cstrong\u003e*2\u003c\/strong\u003e\n      Indicates agreement between the measured value and the value of a\n      standard solution after two-point calibration using the supplied standard\n      solutions. Standard solution error and rounding error of ±1 digit are not\n      included.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      \u003cstrong\u003e*3\u003c\/strong\u003e\n      Equivalent to IP67. The meter will not fail after immersion in water at a\n      depth of 1 m for 30 minutes. It cannot be used underwater.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      \u003cstrong\u003e*4\u003c\/strong\u003e\n      Battery life is reduced when the backlight is used. The backlight remains\n      illuminated for approximately 20 seconds.\n    \u003c\/p\u003e\n\n  \u003c\/div\u003e\n\n\n  \u003cdetails class=\"laqua-technical-notes\"\u003e\n    \u003csummary\u003eTechnical Measurement Notes\u003c\/summary\u003e\n\n    \u003cdiv class=\"laqua-technical-notes-content\"\u003e\n      \u003cp\u003e\n        Nitrate-nitrogen (NO\u003csub\u003e3\u003c\/sub\u003e-N) represents the nitrogen component\n        contained in nitrate. It is not a measurement of total nitrogen.\n      \u003c\/p\u003e\n\n      \u003cp\u003e\n        Measurement values may be affected by ions other than nitrate contained\n        in the sample. Iodide, nitrite, bromide, and chloride ions may interfere\n        with nitrate measurement.\n      \u003c\/p\u003e\n\n      \u003cp\u003e\n        Samples containing perchlorate ions\n        (ClO\u003csub\u003e4\u003c\/sub\u003e\u003csup\u003e−\u003c\/sup\u003e) cannot be measured with this sensor.\n      \u003c\/p\u003e\n\n      \u003cp\u003e\n        Oils, fats, high conductivity, and extreme acidity or alkalinity may\n        also affect measurement results.\n      \u003c\/p\u003e\n\n      \u003cp\u003e\n        For quantitative comparisons, keep the sample preparation, dilution or\n        extraction ratio, temperature, calibration procedure, and measurement\n        conditions consistent.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n\u003c\/div\u003e","brand":"HORIBA","offers":[{"title":"Default Title","offer_id":44416140181547,"sku":"4540565007008","price":304.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0572\/7027\/2043\/files\/csm_NO3-11-HORIBA_9d4f0a99bc.webp?v=1784276694","url":"https:\/\/japan-agritrading.com\/products\/horiba-compact-nitrate-ion-meter-laquatwin-no3-11","provider":"Japan Agri Trading","version":"1.0","type":"link"}