{"product_id":"gastec-phosphine-ph3-detector-tubes-multiple-measurement-ranges","title":"GASTEC Phosphine (PH3) Detector Tubes – Multiple Measurement Ranges","description":"\u003cp\u003e\u003cstrong\u003eGASTEC Phosphine (PH3) Detector Tubes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGASTEC Phosphine Detector Tubes\u003c\/strong\u003e provide a convenient, direct-reading method for measuring phosphine (PH3) concentrations in air and gas samples. Designed for use with a compatible GASTEC gas sampling pump, these colorimetric detector tubes allow professionals to perform rapid on-site phosphine measurements across a wide range of concentrations.\u003c\/p\u003e\n\u003cp\u003eWith available measurement ranges extending from \u003cstrong\u003e0.05–9.8 ppm\u003c\/strong\u003e to \u003cstrong\u003e200–5,500 ppm\u003c\/strong\u003e, GASTEC offers multiple PH3 detector tube options for applications ranging from low-level industrial hygiene and workplace monitoring to higher-concentration process and field measurements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eChoose the Phosphine Detector Tube for Your Application\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGASTEC offers multiple Phosphine Detector Tubes designed for different PH3 concentration ranges. Select the appropriate GASTEC product number based on the anticipated phosphine concentration and the requirements of your sampling application.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eGASTEC Product Number\u003c\/th\u003e\n\u003cth\u003ePhosphine Measurement Range\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e7H\u003c\/td\u003e\n\u003ctd\u003e200–5,500 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7J\u003c\/td\u003e\n\u003ctd\u003e2.5–1,000 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003e2.5–100 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7L\u003c\/td\u003e\n\u003ctd\u003e0.15–5 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7LA\u003c\/td\u003e\n\u003ctd\u003e0.05–9.8 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDirect-Reading Colorimetric PH3 Measurement\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGASTEC detector tubes use chemical detection reagents that react with the target gas as a measured volume of sample is drawn through the tube. The resulting color-change layer provides a visual indication of phosphine concentration. The measurement can then be determined using the calibrated scale on the detector tube along with the sampling and correction instructions specified for the selected GASTEC product number.\u003c\/p\u003e\n\u003cp\u003eThis direct-reading approach provides a practical solution for spot measurements, industrial hygiene surveys, fumigation-related testing, workplace monitoring, process checks, environmental investigations, and other applications where phosphine concentrations need to be evaluated directly at the sampling location.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePhosphine Detector Tubes for Low to High Concentrations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe selection of GASTEC Phosphine Tubes allows users to choose a measurement range that more closely matches anticipated conditions. For low-level PH3 measurements, the \u003cstrong\u003eGASTEC 7LA (0.05–9.8 ppm)\u003c\/strong\u003e and \u003cstrong\u003e7L (0.15–5 ppm)\u003c\/strong\u003e provide sensitive measurement ranges for applications where relatively low concentrations are expected.\u003c\/p\u003e\n\u003cp\u003eFor broader ppm measurements, the \u003cstrong\u003eGASTEC No. 7 (2.5–100 ppm)\u003c\/strong\u003e provides a general-purpose intermediate range, while the \u003cstrong\u003e7J (2.5–1,000 ppm)\u003c\/strong\u003e extends measurement capabilities to substantially higher concentrations. For high-concentration applications, the \u003cstrong\u003eGASTEC 7H (200–5,500 ppm)\u003c\/strong\u003e provides the highest measurement range in this product selection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned specifically for phosphine (PH3) measurement\u003c\/li\u003e\n\u003cli\u003eFive GASTEC product and measurement range options available\u003c\/li\u003e\n\u003cli\u003eAvailable measurement ranges from 0.05–9.8 ppm through 200–5,500 ppm\u003c\/li\u003e\n\u003cli\u003eOptions for low, medium, and high phosphine concentrations\u003c\/li\u003e\n\u003cli\u003eDirect-reading colorimetric gas detection method\u003c\/li\u003e\n\u003cli\u003eCalibrated detector tube scale for determining PH3 concentration\u003c\/li\u003e\n\u003cli\u003eDesigned for rapid on-site measurements and field screening\u003c\/li\u003e\n\u003cli\u003eNo electronic sensor or electrical power required at the detector tube\u003c\/li\u003e\n\u003cli\u003eCompact and portable solution for professional gas measurement\u003c\/li\u003e\n\u003cli\u003eDesigned for use with a compatible GASTEC gas sampling pump\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCommon Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePhosphine concentration measurement\u003c\/li\u003e\n\u003cli\u003eIndustrial hygiene investigations\u003c\/li\u003e\n\u003cli\u003eWorkplace air monitoring\u003c\/li\u003e\n\u003cli\u003eFumigation-related monitoring\u003c\/li\u003e\n\u003cli\u003eGrain storage and handling facilities\u003c\/li\u003e\n\u003cli\u003eAgricultural storage facilities\u003c\/li\u003e\n\u003cli\u003eIndustrial process monitoring\u003c\/li\u003e\n\u003cli\u003eChemical processing operations\u003c\/li\u003e\n\u003cli\u003eEnvironmental field testing\u003c\/li\u003e\n\u003cli\u003eMaintenance and troubleshooting\u003c\/li\u003e\n\u003cli\u003eOccupational exposure investigations\u003c\/li\u003e\n\u003cli\u003eField screening for PH3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Range Selection Information\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePhosphine concentrations can vary substantially between applications, making proper detector tube selection important. Individual GASTEC product numbers may have different sample volumes, pump strokes, sampling times, temperature requirements, correction factors, and potential interfering gases. Always follow the instructions supplied with the specific GASTEC Phosphine Detector Tube being used.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGASTEC Detector Tubes for Professional Phosphine Measurement\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eActivated Carbon Depot supplies GASTEC detector tubes and compatible gas sampling equipment for industrial hygienists, safety professionals, environmental consultants, agricultural and storage operations, laboratories, maintenance teams, and industrial facilities. With five Phosphine Detector Tube options covering low-level measurements through high-concentration PH3 applications, users can select the GASTEC product number and measurement range best suited to their testing requirements.\u003c\/p\u003e","brand":"GASTEC","offers":[{"title":"7H 200–5500 ppm","offer_id":48405597913277,"sku":null,"price":89.5,"currency_code":"USD","in_stock":true},{"title":"7J 2.5–1000 ppm","offer_id":48405597946045,"sku":null,"price":89.5,"currency_code":"USD","in_stock":true},{"title":"7 2.5–100 ppm","offer_id":48405597978813,"sku":null,"price":89.5,"currency_code":"USD","in_stock":true},{"title":"7L 0.15–5 ppm","offer_id":48405598011581,"sku":null,"price":89.5,"currency_code":"USD","in_stock":true},{"title":"7LA 0.05–9.8 ppm","offer_id":48405598044349,"sku":null,"price":89.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/1408\/4285\/files\/GASTECPhosphine_PH3_DetectorTubes_MultipleMeasurementRanges.jpg?v=1788894520","url":"https:\/\/activatedcarbondepot.com\/products\/gastec-phosphine-ph3-detector-tubes-multiple-measurement-ranges","provider":"Activated Carbon Depot","version":"1.0","type":"link"}