{"product_id":"volatile-organic-compounds","title":"VOCs sensor","description":"\u003ch2\u003e\n  \u003cspan style=\"color: #fa0b0b;\"\u003e*\n    \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0631\/2414\/4387\/files\/VOCS.pdf?v=1792737180\" 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\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    Volatile Organic Compounds (VOCs) can be produced by fuel combustion\n    (wood, coal, gasoline, etc.) from sources such as vehicles and industries.\n    They can be released into the atmosphere through the evaporation of\n    gasoline, paint and solvents from above-ground storage tanks.\n    Another important emission source is biogenic: natural release\n    by vegetation.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eWhy is it harmful?\u003c\/h2\u003e\n\n  \u003cp style=\"font-weight: normal;\"\u003e\n    Many VOCs are toxic and can cause cancer, mutations and\/or other\n    serious health problems. One of the most harmful compounds is\n    benzene, which can cause leukaemia. Some of them contribute to\n    ozone formation, with associated health, environmental and\n    climate effects.\n  \u003c\/p\u003e\n\n  \u003cp style=\"font-weight: normal;\"\u003e\n    They also contribute to the formation of CO\u003csub\u003e2\u003c\/sub\u003e and\n    secondary organic aerosols that can warm and cool the\n    atmosphere, respectively.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eVOCs cartridge\u003c\/h2\u003e\n\n  \u003cp style=\"font-weight: normal;\"\u003e\n    The Volatile Organic Compounds cartridge has a built-in\n    photoionization detector (PID) sensor equipped with a 10.6 eV\n    light energy source to accurately measure hundreds of VOCs\n    commonly found in indoor and outdoor environments.\n    Its cutting-edge design avoids any undesirable humidity effect,\n    giving 10,000 hours of continuous operation.\n  \u003c\/p\u003e\n\n  \u003cp style=\"font-weight: normal;\"\u003e\n    To cover different applications, there are two measurement ranges:\n  \u003c\/p\u003e\n\n  \u003cul\u003e\n    \u003cli\u003e\n      \u003cstrong\u003eType A:\u003c\/strong\u003e\n      Detects low ppb concentrations in outdoor ambient environments.\n      The Kunak algorithm corrects temperature, humidity and pressure\n      variations, allowing accurate measurements from very low\n      concentrations (\u0026lt; 5 ppb) up to 3,000 ppb, with very low\n      variability between sensors.\n    \u003c\/li\u003e\n\n    \u003cli\u003e\n      \u003cstrong\u003eType B:\u003c\/strong\u003e\n      A higher range version that can measure up to 40 ppm.\n      It is not recommended to use this cartridge to detect levels\n      below 1 ppm, since the accuracy of the sensor at low\n      concentrations decreases.\n    \u003c\/li\u003e\n  \u003c\/ul\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;\"\u003ePhotoionization detector\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;\"\u003e\n            µg\/m\u003csup\u003e3\u003c\/sup\u003e, ppb \u003csup\u003e(A)\u003c\/sup\u003e\u003cbr\u003e\n            mg\/m\u003csup\u003e3\u003c\/sup\u003e, ppm \u003csup\u003e(B)\u003c\/sup\u003e\n          \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;\"\u003e\n            0–3,000 ppb \u003csup\u003e(A)\u003c\/sup\u003e\u003cbr\u003e\n            0–40 ppm \u003csup\u003e(B)\u003c\/sup\u003e\n          \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;\"\u003e\n            1 ppb \u003csup\u003e(A)\u003c\/sup\u003e\u003cbr\u003e\n            0.01 ppm \u003csup\u003e(B)\u003c\/sup\u003e\n          \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-40 to 60 °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 RH range \u003csup\u003e(5)\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;\"\u003eOperating life \u003csup\u003e(6)\u003c\/sup\u003e\n\u003c\/td\u003e\n          \u003ctd style=\"border: 1px solid #999; padding: 10px;\"\u003e10,000 hours\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;\"\u003e\n            50 ppm \u003csup\u003e(A)\u003c\/sup\u003e\u003cbr\u003e\n            60 ppm \u003csup\u003e(B)\u003c\/sup\u003e\n          \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;\"\u003e\n            1 ppb \u003csup\u003e(A)\u003c\/sup\u003e\u003cbr\u003e\n            0.01 ppm \u003csup\u003e(B)\u003c\/sup\u003e\n          \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;\"\u003e\n            5 ppb \u003csup\u003e(A)\u003c\/sup\u003e\u003cbr\u003e\n            \u0026lt; 0.02 ppm \u003csup\u003e(B)\u003c\/sup\u003e\n          \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\n            \u0026lt; 12 sec \u003csup\u003e(A)\u003c\/sup\u003e\u003cbr\u003e\n            \u0026lt; 10 sec \u003csup\u003e(B)\u003c\/sup\u003e\n          \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—\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—\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;\"\u003e—\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—\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—\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\n            \u0026lt; 3 ppb \u003csup\u003e(A)\u003c\/sup\u003e\u003cbr\u003e\n            \u0026lt; 0.1 ppm \u003csup\u003e(B)\u003c\/sup\u003e\n          \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":49957741691139,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/2414\/4387\/files\/Volatile_organic_compounds_jpg.webp?v=1792737218","url":"https:\/\/diamondsci.com\/products\/volatile-organic-compounds","provider":"DiamondSci","version":"1.0","type":"link"}