{"product_id":"pk-safety-rki-equivalent-4-gas-calibration-gas-mix-60-liter","title":"PK Safety RKI Equivalent 4 Gas Calibration Gas Mix 60 Liter","description":"\u003cp\u003eKeep your gas monitors functioning safely and reliably with PK Safety's RKI Equivalent 4 Gas Calibration Mix. This 60-liter cylinder delivers the precise gas concentrations your detection equipment needs: 25 ppm H2S, 50 ppm CO, 2.5% Methane (50% LEL), and 12% O2—all balanced in nitrogen.\u003c\/p\u003e\n\n\u003cp\u003eRegular bump testing and calibration prevent equipment failures that could put your team at risk. Compatible with RKI GX-2009, GX-2012, GX-3R Pro, GX-3R, and GX-Force monitors, this USA-made solution ensures your safety gear stays calibration-ready. Ships via UPS Ground only due to HazMat restrictions. Non-returnable—verify your monitor compatibility before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRKI \u003ca href=\"https:\/\/pksafety.com\/products\/rki-calibration-4-gas-mixture-58al-81-0154rk-02\" title=\"RKI Calibration 4 Gas Mixture 58AL 81-0154RK-02\"\u003e81-0154RK-02\u003c\/a\u003e equivalent\u003c\/li\u003e\n\u003cli\u003eGas Concentrations:\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eHydrogen sulfide (H2S) - 25 ppm\u003c\/li\u003e\n\u003cli\u003eCarbon monoxide (CO) - 50 ppm\u003c\/li\u003e\n\u003cli\u003eMethane 2.5% (50 percent LEL)\u003c\/li\u003e\n\u003cli\u003eOxygen (O2) - 12.0 percent\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e60 Liter disposable aluminum cylinder\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible with the Following Monitors:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRKI GX-2009\u003c\/li\u003e\n\u003cli\u003eRKI GX-2012\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/rki-gx-3r-pro-5-gas-confined-space-monitor-with-bluetooth\/\"\u003eRKI GX-3R Pro\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca title=\"RKI GX-3R 4 Gas Confined Space Monitor 72-RA-C\" href=\"https:\/\/pksafety.com\/products\/rki-gx-3r-4-gas-confined-space-monitor-72-ra-c\"\u003e\u003cstrong\u003eRKI GX-3R\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca title=\"RKI GX-Force Sample Draw 4 Gas Monitor 72-FA-A-A10\" href=\"https:\/\/pksafety.com\/products\/rki-gx-force-sample-draw-4-gas-monitor-72-fa-a-a10\"\u003e\u003cstrong\u003eRKI GX-Force\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003eFAQs:\u003c\/strong\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0872\/5469\/6254\/files\/How-Often-Do-I-Need-To-Calibrate_392f042b-e5bd-4cc5-bbca-55a7a72b3b18.pdf?v=1722593271\" target=\"_blank\"\u003eHow Often Do I Need To Calibrate My Monitor?\u003c\/a\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote: This item ships via UPS Ground due to HazMat restrictions and isn't available for expedited shipping. \u003c\/strong\u003e\u003cstrong\u003eCalibration gas is not returnable. Please check your selection carefully before ordering.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"specification\"\u003e\n\u003cp\u003e\u003cstrong\u003eSafety Specification Sheet: \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0872\/5469\/6254\/files\/5057.pdf?v=1777390265\"\u003e\u003cimg border=\"0\" height=\"65\" width=\"63\" alt=\"Specification Sheet\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0872\/5469\/6254\/files\/pdf-icon_ac4da377-e8e0-4a9c-9dcc-746269055096.png\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e\u003cbr\u003eFX60-155-1500\u003c\/p\u003e","brand":"PK Safety","offers":[{"title":"Default Title","offer_id":52905262514543,"sku":"ISG01-FX60-155-1500","price":316.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0872\/5469\/6254\/files\/PKSafety_60L.jpg?v=1777389614","url":"https:\/\/pksafety.com\/products\/pk-safety-rki-equivalent-4-gas-calibration-gas-mix-60-liter","provider":"PK Safety Supply","version":"1.0","type":"link"}