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RKI calibration gas cylinders provide certified reference concentrations for bump testing and calibrating RKI portable and fixed gas detectors. Available in single-gas and multi-gas mixtures across steel and aluminum cylinders in several sizes, each cylinder is factory-certified to a specific concentration and expiration date. The configurations listed here cover the most commonly ordered single gases (methane, hydrogen, propane, hexane, isobutane, CO, H2S, NH3, O2, SO2, NO2, NO, Cl2, HCl, HCN, CO2, SiH4, zero air, nitrogen) and multi-gas mixes (4-gas confined-space mix, H2S/CO/CH4/O2). Additional gas types, concentrations, and cylinder sizes are available by quote — see our full RKI Instruments Parts & Accessories collection for regulators and calibration accessories.
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🇺🇸 Ship from USA · On Agora since 2026
$55.10