{"product_id":"gastec-hydrogen-sulphide-h2s-detector-tubes-multiple-measurement-ranges","title":"GASTEC Hydrogen Sulphide (H2S) Detector Tubes – Multiple Measurement Ranges","description":"\u003cp\u003e\u003cstrong\u003eGASTEC Hydrogen Sulphide (H2S) Detector Tubes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGASTEC Hydrogen Sulphide Detector Tubes\u003c\/strong\u003e provide a convenient, direct-reading method for measuring hydrogen sulphide (H2S) 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 H2S measurements across a wide range of concentrations.\u003c\/p\u003e\n\u003cp\u003eWith available measurement ranges extending from \u003cstrong\u003e0.05–4.0 ppm\u003c\/strong\u003e to \u003cstrong\u003e1–40% hydrogen sulphide\u003c\/strong\u003e, GASTEC offers multiple H2S detector tube options for applications ranging from low-level industrial hygiene and environmental measurements to high-concentration industrial and process testing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eChoose the Hydrogen Sulphide Detector Tube for Your Application\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGASTEC offers multiple Hydrogen Sulphide Detector Tubes designed for different H2S concentration ranges. Select the appropriate GASTEC product number based on the anticipated hydrogen sulphide 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\u003eHydrogen Sulphide Measurement Range\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e4HT\u003c\/td\u003e\n\u003ctd\u003e1–40%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4HP\u003c\/td\u003e\n\u003ctd\u003e0.25–20%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4HH\u003c\/td\u003e\n\u003ctd\u003e0.1–4%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4H\u003c\/td\u003e\n\u003ctd\u003e10–4,000 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4HM\u003c\/td\u003e\n\u003ctd\u003e25–1,600 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4M\u003c\/td\u003e\n\u003ctd\u003e12.5–500 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4L\u003c\/td\u003e\n\u003ctd\u003e1–240 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4LL\u003c\/td\u003e\n\u003ctd\u003e0.25–120 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4LK\u003c\/td\u003e\n\u003ctd\u003e1–40 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4LB\u003c\/td\u003e\n\u003ctd\u003e0.5–12 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4LT\u003c\/td\u003e\n\u003ctd\u003e0.05–4.0 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDirect-Reading Colorimetric H2S 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 provides a visual indication of hydrogen sulphide concentration. The measurement is 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 method for performing spot measurements and field screening without relying on laboratory analysis. The compact tube-and-pump system is particularly useful for industrial hygiene surveys, process checks, environmental investigations, maintenance work, and troubleshooting where H2S concentrations need to be evaluated directly at the sampling location.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eH2S Detector Tubes from 0.05 ppm to 40%\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe extensive selection of GASTEC Hydrogen Sulphide Tubes allows users to choose a measurement range that closely matches anticipated conditions. For very low concentrations, the \u003cstrong\u003eGASTEC 4LT (0.05–4.0 ppm)\u003c\/strong\u003e provides the lowest available range in this product selection. Additional lower-range options include the \u003cstrong\u003e4LB (0.5–12 ppm)\u003c\/strong\u003e, \u003cstrong\u003e4LK (1–40 ppm)\u003c\/strong\u003e, \u003cstrong\u003e4LL (0.25–120 ppm)\u003c\/strong\u003e, and \u003cstrong\u003e4L (1–240 ppm)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor higher ppm concentrations, options include the \u003cstrong\u003e4M (12.5–500 ppm)\u003c\/strong\u003e, \u003cstrong\u003e4HM (25–1,600 ppm)\u003c\/strong\u003e, and \u003cstrong\u003e4H (10–4,000 ppm)\u003c\/strong\u003e. For applications involving much higher H2S concentrations, GASTEC offers percentage-range tubes including the \u003cstrong\u003e4HH (0.1–4%)\u003c\/strong\u003e, \u003cstrong\u003e4HP (0.25–20%)\u003c\/strong\u003e, and \u003cstrong\u003e4HT (1–40%)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned specifically for hydrogen sulphide (H2S) measurement\u003c\/li\u003e\n\u003cli\u003eEleven GASTEC product and measurement range options available\u003c\/li\u003e\n\u003cli\u003eMeasurement ranges available in both ppm and percent H2S\u003c\/li\u003e\n\u003cli\u003eOverall available measurement ranges from 0.05–4.0 ppm through 1–40%\u003c\/li\u003e\n\u003cli\u003eDirect-reading colorimetric gas detection method\u003c\/li\u003e\n\u003cli\u003eCalibrated detector tube scale for determining H2S concentration\u003c\/li\u003e\n\u003cli\u003eMultiple ranges for low, medium, high, and very high H2S concentrations\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 gas measurement solution\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\u003eHydrogen sulphide concentration measurement\u003c\/li\u003e\n\u003cli\u003eIndustrial hygiene investigations\u003c\/li\u003e\n\u003cli\u003eWorkplace air monitoring\u003c\/li\u003e\n\u003cli\u003eWastewater treatment facilities\u003c\/li\u003e\n\u003cli\u003eSewage and sewer system investigations\u003c\/li\u003e\n\u003cli\u003eOil and gas operations\u003c\/li\u003e\n\u003cli\u003ePetroleum and petrochemical facilities\u003c\/li\u003e\n\u003cli\u003eIndustrial process monitoring\u003c\/li\u003e\n\u003cli\u003eEnvironmental field testing\u003c\/li\u003e\n\u003cli\u003eBiogas and anaerobic digestion applications\u003c\/li\u003e\n\u003cli\u003ePulp and paper facilities\u003c\/li\u003e\n\u003cli\u003eMaintenance and troubleshooting\u003c\/li\u003e\n\u003cli\u003eOccupational exposure investigations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Range Selection Information\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBecause hydrogen sulphide concentrations can vary significantly between applications, users should select a detector tube appropriate for the anticipated concentration before sampling. Each GASTEC product number may have its own sampling volume, number of pump strokes, sampling time, temperature considerations, interfering gases, and correction requirements. Always follow the instructions supplied for the specific detector tube being used.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGASTEC Detector Tubes for Professional H2S Measurement\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eActivated Carbon Depot supplies GASTEC detector tubes and gas sampling equipment for industrial hygienists, safety professionals, environmental consultants, wastewater professionals, laboratories, maintenance teams, and industrial facilities. With eleven Hydrogen Sulphide Detector Tube options covering concentrations from low-level ppm measurements through high percentage-level H2S, users can select the GASTEC product number that best matches their specific gas measurement application.\u003c\/p\u003e","brand":"GASTEC","offers":[{"title":"4HT 1–40%","offer_id":48404676837565,"sku":null,"price":89.5,"currency_code":"USD","in_stock":true},{"title":"4HP 0.25–20%","offer_id":48404676870333,"sku":null,"price":89.5,"currency_code":"USD","in_stock":true},{"title":"4HH 0.1–4%","offer_id":48404676903101,"sku":null,"price":89.5,"currency_code":"USD","in_stock":true},{"title":"4H 10–4000 ppm","offer_id":48404676935869,"sku":null,"price":89.5,"currency_code":"USD","in_stock":true},{"title":"4HM 25–1600 ppm","offer_id":48404676968637,"sku":null,"price":89.5,"currency_code":"USD","in_stock":true},{"title":"4M 12.5–500 ppm","offer_id":48404677001405,"sku":null,"price":89.5,"currency_code":"USD","in_stock":true},{"title":"4L 1–240 ppm","offer_id":48404677034173,"sku":null,"price":89.5,"currency_code":"USD","in_stock":true},{"title":"4LL 0.25–120 ppm","offer_id":48404677066941,"sku":null,"price":89.5,"currency_code":"USD","in_stock":true},{"title":"4LK 1–40 ppm","offer_id":48404677099709,"sku":null,"price":89.5,"currency_code":"USD","in_stock":true},{"title":"4LB 0.5–12 ppm","offer_id":48404677132477,"sku":null,"price":89.5,"currency_code":"USD","in_stock":true},{"title":"4LT 0.05–4.0 ppm","offer_id":48404677165245,"sku":null,"price":89.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/1408\/4285\/files\/GASTECHydrogenSulphide_H2S_DetectorTubes_MultipleMeasurementRanges.jpg?v=1788888520","url":"https:\/\/activatedcarbondepot.com\/products\/gastec-hydrogen-sulphide-h2s-detector-tubes-multiple-measurement-ranges","provider":"Activated Carbon Depot","version":"1.0","type":"link"}