{"product_id":"nitric-oxide","title":"NO sensor","description":"\u003ch2\u003e\n  \u003cspan style=\"color: #fa0b0b;\"\u003e*\n    \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0631\/2414\/4387\/files\/NO.pdf?v=1792731504\" rel=\"noopener\" target=\"_blank\" style=\"color: #fa0b0b;\"\u003e\n      \u003cu\u003eDownload datasheet\u003c\/u\u003e\n    \u003c\/a\u003e\n  *\u003c\/span\u003e\n\u003c\/h2\u003e\n\n\u003ch2\u003e\n  \u003cspan style=\"color: #fa0b0b;\"\u003e*\n    \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0631\/2414\/4387\/files\/Kunak_AIR_Pro_Co-location_test_NO.pdf?v=1792731505\" rel=\"noopener\" target=\"_blank\" style=\"color: #fa0b0b;\"\u003e\n      \u003cu\u003eNO Co-location field study\u003c\/u\u003e\n    \u003c\/a\u003e\n  *\u003c\/span\u003e\n\u003c\/h2\u003e\n\n\u003cdiv class=\"pro_inner_rit\" style=\"font-family: Verdana, sans-serif; font-size: 14px; line-height: 1.6;\"\u003e\n\n  \u003ch2\u003eWhere is it found?\u003c\/h2\u003e\n\n  \u003cp style=\"font-weight: normal;\"\u003e\n    Nitrogen oxide is emitted from automotive engines and the burning\n    of coal, oil, diesel fuel, and natural gas, especially from electric\n    power plants.\n  \u003c\/p\u003e\n\n  \u003cp style=\"font-weight: normal;\"\u003e\n    It is also emitted by cigarettes, gas stoves, wood burning,\n    and silos that contain silage.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eWhy is it harmful?\u003c\/h2\u003e\n\n  \u003cp style=\"font-weight: normal;\"\u003e\n    Nitric oxide (NO), also called nitrogen oxide, is a colourless\n    toxic gas originating from the oxidation of nitrogen. It contributes\n    to climate change and its inhalation affects human health.\n    When it reacts with sunlight and other chemicals, such as\n    sulphur dioxide (SO\u003csub\u003e2\u003c\/sub\u003e), it forms smog and acid rain.\n  \u003c\/p\u003e\n\n  \u003cp style=\"font-weight: normal;\"\u003e\n    The inhalation of high levels of nitric oxide can cause respiratory\n    problems, particularly in vulnerable humans, such as asthmatics,\n    and it is involved in the cardiovascular and immune systems.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eNO cartridge\u003c\/h2\u003e\n\n  \u003cp style=\"font-weight: normal;\"\u003e\n    The nitric oxide cartridge has a built-in electrochemical sensor\n    ideal for measuring very low ppb concentrations in ambient air,\n    up to several ppm found near pollution sources\n    (vehicles, industries...).\n  \u003c\/p\u003e\n\n  \u003cp style=\"font-weight: normal;\"\u003e\n    This cartridge is very accurate and stable, has a good temperature\n    correction algorithm, and can easily work beyond two years under\n    non-extreme environments.\n  \u003c\/p\u003e\n\n  \u003cp style=\"font-weight: normal;\"\u003e\n    The cartridge can suffer from a small zero drift (some ppb)\n    over time, which can be easily corrected remotely with the\n    Kunak Calibration Tool.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\n  \u003cdiv style=\"overflow-x: auto;\"\u003e\n    \u003ctable style=\"width: 100%; border-collapse: collapse; font-family: Verdana, sans-serif; font-size: 14px;\"\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003eType\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003eElectrochemical\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003eUnit of measurement\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003eµg\/m\u003csup\u003e3\u003c\/sup\u003e, ppb\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003eMeasurement range \u003csup\u003e(1)\u003c\/sup\u003e\n\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003e0–5,000 ppb\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003eResolution \u003csup\u003e(2)\u003c\/sup\u003e\n\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003e1 ppb\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003eOperating temperature range \u003csup\u003e(3)\u003c\/sup\u003e\n\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003e-30 to 50 °C\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003eOperating RH range \u003csup\u003e(4)\u003c\/sup\u003e\n\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003e0 to 99 %RH\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003eRecommended temp. \u0026amp; RH range \u003csup\u003e(5)\u003c\/sup\u003e\n\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003e\n            -30 to 45 °C\u003cbr\u003e\n            15 to 85 %RH\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003eOperating life \u003csup\u003e(6)\u003c\/sup\u003e\n\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003e\u0026gt; 24 months\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003eGuarantee range \u003csup\u003e(7)\u003c\/sup\u003e\n\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003e20 ppm\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003eLimit of Detection (LOD) \u003csup\u003e(8)\u003c\/sup\u003e\n\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003e2 ppb\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003eRepeatability \u003csup\u003e(9)\u003c\/sup\u003e\n\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003e4 ppb\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003eResponse time \u003csup\u003e(10)\u003c\/sup\u003e\n\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003e\u0026lt; 30 sec\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003eTypical accuracy \u003csup\u003e(12)\u003c\/sup\u003e\n\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003e± 4 ppb\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003eTypical precision R\u003csup\u003e2\u003c\/sup\u003e \u003csup\u003e(11)\u003c\/sup\u003e\n\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003e\u0026gt; 0.9\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003eTypical slope \u003csup\u003e(11)\u003c\/sup\u003e\n\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003e0.9–1.12\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003eTypical intercept (a) \u003csup\u003e(11)\u003c\/sup\u003e\n\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003e-2 ppb ≤ a ≤ +2 ppb\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003eDQO - Typical U(exp) \u003csup\u003e(13)\u003c\/sup\u003e\n\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003e\u0026lt; 20%\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003eTypical intra-model variability \u003csup\u003e(14)\u003c\/sup\u003e\n\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003e\u0026lt; 1 ppb\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"font-size: 12px; margin-top: 24px; line-height: 1.7;\"\u003e\n    \u003col\u003e\n      \u003cli\u003e\n        \u003cstrong\u003eMeasurement range:\u003c\/strong\u003e\n        Concentration range measured by the sensor.\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        \u003cstrong\u003eResolution:\u003c\/strong\u003e\n        Smallest unit of measurement that can be indicated by the sensor.\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        \u003cstrong\u003eOperating temperature range:\u003c\/strong\u003e\n        Temperature interval at which the sensor is rated to operate safely\n        and provide measurements. In the PM sensor Type A: -40 to 50 °C\n        with heater (more information on this version on request).\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        \u003cstrong\u003eOperating RH range:\u003c\/strong\u003e\n        Humidity interval at which the sensor is rated to operate safely\n        and provide measurements.\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        \u003cstrong\u003eRecommended RH range:\u003c\/strong\u003e\n        Recommended relative humidity range for optimal sensor performance.\n        Continuous exposure outside the recommended range may damage the cartridge.\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        \u003cstrong\u003eOperating life:\u003c\/strong\u003e\n        Time period during which the sensor can operate effectively and\n        accurately under normal conditions.\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        \u003cstrong\u003eGuarantee range:\u003c\/strong\u003e\n        Concentration range covered by Kunak's guarantee.\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        \u003cstrong\u003eLOD (Limit of Detection):\u003c\/strong\u003e\n        Measured at laboratory conditions at 20 °C and 50% RH.\n        The limit of detection is the minimum concentration that can be\n        detected as significantly different to zero gas concentration,\n        calculated according to the Technical Specification CEN\/TS 17660.\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        \u003cstrong\u003eRepeatability:\u003c\/strong\u003e\n        Measured at laboratory conditions at 20 °C and 50% RH.\n        Closeness of the agreement between the results of successive\n        measurements of the same measurand carried out under the same\n        conditions of measurement, calculated according to the\n        Technical Specification CEN\/TS 17660.\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        \u003cstrong\u003eResponse time:\u003c\/strong\u003e\n        Time needed by the sensor to reach 90% of the final stable value.\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        \u003cstrong\u003eTypical precision – R\u003csup\u003e2\u003c\/sup\u003e, slope and intercept:\u003c\/strong\u003e\n        Statistics obtained between the device hourly measurements and\n        reference instruments in field tests between -10 to +30 °C\n        at different locations. For the type B PM sensor, the expected\n        error for PM\u003csub\u003e10\u003c\/sub\u003e is higher in the presence of coarse particles.\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        \u003cstrong\u003eTypical accuracy:\u003c\/strong\u003e\n        For criteria pollutants, this is the average Mean Absolute Error\n        (MAE) obtained between the device hourly measurements and reference\n        instruments for 1 to 8 months of field tests between -10 to +30 °C\n        in different countries. For other pollutants, it is the expected\n        error of the measurement at the reading.\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        \u003cstrong\u003eDQO - Typical U(exp):\u003c\/strong\u003e\n        Data Quality Objective expressed as the Expanded Uncertainty in the\n        Limit Value obtained between the device hourly measurements and\n        reference instruments for 1 to 8 months of field tests between\n        -10 to +30 °C in different countries, calculated according to\n        the European Air Quality Directive 2024\/2881 and the Technical\n        Specification CEN\/TS 17660. For the type B PM sensor, the expected\n        error for PM\u003csub\u003e10\u003c\/sub\u003e is higher in the presence of coarse particles.\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        \u003cstrong\u003eTypical intra-model variability:\u003c\/strong\u003e\n        Calculated as the standard deviation of the three sensor means\n        in 1 to 8 months of field tests between -10 to +30 °C\n        in different countries.\n      \u003c\/li\u003e\n    \u003c\/ol\u003e\n\n    \u003cp\u003e\n      \u003cstrong\u003eA, B, C, D superindex:\u003c\/strong\u003e\n      The super indexes refer to different types of cartridges related\n      to the same target pollutant but with different technical specifications.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"DiamondSci","offers":[{"title":"Default Title","offer_id":49954848637187,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/2414\/4387\/files\/Nitric-oxide_jpg.webp?v=1792731408","url":"https:\/\/diamondsci.com\/products\/nitric-oxide","provider":"DiamondSci","version":"1.0","type":"link"}