{"product_id":"4-gas-monitor-small-usa-nist-calibration","title":"4 Gas Monitor | Mini | USA NIST Calibration","description":"\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/kSfC4t9Zj3U?si=zt1MqHqsRSGWtRQA\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eBrand:\u003c\/b\u003e FORENSICS DETECTORS\u003cbr\u003e\u003c\/span\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eModel: \u003c\/b\u003eFD-4D\u003c\/span\u003e\u003cspan class=\"s1\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003cb\u003eUser Manual:\u003c\/b\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/3012\/7408\/files\/FD-4D_V1.0_30a2638f-7a40-43e1-8fff-426d58c160fc.pdf?v=1770944617\"\u003eClick Here \u003c\/a\u003e\u003cbr\u003e\u003cstrong\u003eBlog Article\u003c\/strong\u003e\u003cspan\u003e: \u003c\/span\u003e\u003ca href=\"https:\/\/www.forensicsdetectors.com\/blogs\/articles\/what-does-a-4-gas-monitor-detect\" target=\"_blank\" rel=\"noopener\"\u003eClick Here\u003c\/a\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e⚛️ \u003cstrong\u003eSENSOR:\u003c\/strong\u003e Smallest 4 Gas Monitor with 4 sensors Oxygen (O2), carbon monoxide (CO), hydrogen sulfide (H2S), and combustibles (LEL). Comes FACTORY-CALIBRATED.\u003c\/li\u003e\n\u003cli\u003e🌇 \u003cstrong\u003eDETECTION:\u003c\/strong\u003e Detection error better than ≤±5% F.S. and response time: \u0026lt; 30 sec. Zero and span calibration options.\u003c\/li\u003e\n\u003cli\u003e🎆 \u003cstrong\u003eALARMS:\u003c\/strong\u003e Adjustable audio, visual, and vibration alarms when preset levels are reached. \u003c\/li\u003e\n\u003cli\u003e💪 \u003cstrong\u003eSTRONG:\u003c\/strong\u003e Rubber feel with high-strength ABS and anti-slip grip. \u003c\/li\u003e\n\u003cli\u003e🕵️ \u003cstrong\u003eTRUSTWORTHY:\u003c\/strong\u003e 1-year limited warranty. Arrives with a signed and dated calibration certificate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eDetails:\u003c\/b\u003e \u003cmeta charset=\"utf-8\"\u003eSimple, reliable, and remarkably compact—one of the smallest 4-gas monitors in the world. Our newest meter delivers cutting-edge personal protection through advanced electrochemical and catalytic nano-sensors in an ultra-portable design. Engineered for confined space and air assessment with no complicated menus or unnecessary features. Utility workers, refinery personnel, firefighters, maintenance engineers, and maritime professionals trust this exceptionally compact meter in hazardous environments, including sewers, underground tanks, oil rigs, and ship compartments. Its rugged construction withstands demanding industrial conditions while continuously monitoring atmospheric quality. This remarkably small 4-gas meter provides critical real-time data on environmental hazards, making it indispensable for confined spaces where conditions change rapidly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncluded:\u003c\/strong\u003e 4 gas monitor, user manual, USB charging cable, calibration cover, metal belt clip, and calibration certificate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalibration Options\u003cspan\u003e:  \u003c\/span\u003e\u003ca href=\"https:\/\/www.forensicsdetectors.com\/products\/hydrogen-sulfide-bump-gas\" target=\"_blank\"\u003e\u003cbr\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003ca rel=\"noopener\" href=\"https:\/\/www.forensicsdetectors.com\/products\/multigas-calibration\" target=\"_blank\"\u003eCalibration Service by Forensics Detectors\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.forensicsdetectors.com\/pages\/fd-4a\"\u003eCalibration Tutorial (DIY)\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalibration Kit:\u003c\/strong\u003e\u003ca href=\"https:\/\/www.forensicsdetectors.com\/products\/ammonia-gas-10ppm\" target=\"_blank\"\u003e\u003cbr\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.forensicsdetectors.com\/products\/multigas-calibration-gas-100ppm-co-25ppm-h2s-50-lel-18-o2\" target=\"_blank\"\u003eCalibration Gas (Multigas)\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.forensicsdetectors.com\/products\/gas-regulator-fixed-flow-0-5lpm-c10\" target=\"_blank\"\u003eCalibration Gas Regulator (C10)\u003cbr\u003e\u003c\/a\u003e\u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/www.forensicsdetectors.com\/products\/gas-mix-bump-gas\"\u003e4 Gas Bump Gas\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.forensicsdetectors.com\/products\/silicone-tubing-3ft\"\u003eTubing\u003c\/a\u003e\u003ca href=\"https:\/\/www.forensicsdetectors.com\/products\/gas-regulator-fixed-flow-0-5lpm-c10\" target=\"_blank\"\u003e\u003cbr\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOther Accessories \u0026amp; Parts\u003cspan\u003e:  \u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.forensicsdetectors.com\/products\/carbon-monoxide-sensor-replacement\" target=\"_blank\"\u003eGas Sensor Replacement (CO)\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.forensicsdetectors.com\/products\/hydrogen-sulfide-sensor-replacement\" target=\"_blank\"\u003eGas Sensor Replacement (H2S)\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.forensicsdetectors.com\/products\/oxygen-sensor-alpha\" target=\"_blank\"\u003eGas Sensor Replacement (O2)\u003cbr\u003e\u003c\/a\u003e\u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/www.forensicsdetectors.com\/products\/carry-case-waterproof\" target=\"_blank\"\u003eGas Detector Waterproof Case\u003c\/a\u003e\u003ca href=\"https:\/\/www.forensicsdetectors.com\/products\/oxygen-sensor-alpha\" target=\"_blank\"\u003e\u003cbr\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.forensicsdetectors.com\/products\/detector-stand-universal\" target=\"_blank\"\u003eGas Detector Stand\u003c\/a\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eNatural Diffusion Sampling Method:\u003c\/strong\u003e (no pump)\u003cbr\u003e\u003cstrong\u003eCombustible Gas (LEL) Detection\u003c\/strong\u003e: 0 - 100% with 1% resolution\u003cbr\u003e\u003cstrong\u003eOxygen (O2) Detection:\u003c\/strong\u003e 0 - 30% with 0.1% resolution\u003cbr\u003e\u003cstrong\u003eCarbon Monoxide (CO) Detection:\u003c\/strong\u003e 0 - 999 ppm with 1 ppm resolution\u003cbr\u003e\u003cstrong\u003eHydrogen Sulfide (H2S) Detection:\u003c\/strong\u003e 0 - 100 ppm with 1 ppm resolution\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eRecommended Calibration Period: \u003c\/strong\u003e12 months\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eGas Sensor Type:\u003c\/strong\u003e Electrochemical (CO, H2S, O2) \u0026amp; Catalytic (EX LEL)\u003cbr\u003e\u003cstrong\u003eGas Sensor Life:\u003c\/strong\u003e 2 - 3 years\u003cbr\u003e\u003cstrong\u003eError:\u003c\/strong\u003e ≤ ± 5% F.S.\u003cbr\u003e\u003cstrong\u003eResponse Time:\u003c\/strong\u003e ≤ 30 sec\u003cbr\u003e\u003cstrong\u003eStore \/ Operating Temp:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e0°F - 122°F\u003cstrong\u003e\u003cbr\u003eStore \/ Operating Humidity:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u0026lt;95%RH\u003cbr\u003e\u003cstrong\u003ePower Source:\u003c\/strong\u003e DC 3.7V Li-on battery, 2000 mAh\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eAlarm:\u003c\/strong\u003e LED, Buzzer, and Vibration\u003cbr\u003e\u003cstrong\u003eExplosion-Proof Grade:\u003c\/strong\u003e\u003cspan\u003e ATEX certified Ex ib IIC T4 Gb\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 230 g (with battery)\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 130 mm × 67 mm × 30 mm (L×W×H)\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eCalibration Location (USA):\u003c\/strong\u003e Los Angeles, California, USA\u003cbr\u003e\u003cstrong\u003eCalibration Standard (USA):\u003c\/strong\u003e USA NIST Traceable Gas Source\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eCalibration Location (Europe):\u003c\/strong\u003e Athens, Greece\u003cbr\u003e\u003cstrong\u003eCalibration Standard (Europe):\u003c\/strong\u003e European NPL Traceable Gas Source\u003cbr\u003e\u003c\/p\u003e","brand":"FORENSICS DETECTORS","offers":[{"title":"Default Title","offer_id":48439247995103,"sku":"FD-4D","price":265.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/3012\/7408\/files\/Image1-FD-4D-Shopify.jpg?v=1772051962","url":"https:\/\/www.forensicsdetectors.com\/en-gr\/products\/4-gas-monitor-small-usa-nist-calibration","provider":"Forensics Detectors","version":"1.0","type":"link"}