Methane 0.375% (7.5% LEL)/ Oxygen 20.9%/ Nitrogen Calibration Gas NITROGEN DIOXIDE - NO2 Soft ear cup material with

Soft ear cup material with maximum interior space to reduce pressure and fatigue

neutral appearance that works well for prototypes

This targeted approach helps improve sample representativeness while supporting contaminant profiling

Proven effectiveness in PFOS

Benzo (b) Flouranthene

Methane 0.375% (7.5% LEL)/ Oxygen 20.9%/ Nitrogen Calibration Gas NITROGEN DIOXIDE - NO2 Soft ear cup material withMethane 0. 375% (7. 5% LEL) Oxygen 20. 9% Nitrogen Calibration Gas The Methane 0. 375% (7. 5% LEL) Oxygen 20. 9% Nitrogen Calibration Gas Cylinder is a certified gas mixture designed for calibrating and bump testing compatible combustible gas and oxygen detectors. Containing 0. 375% methane (7. 5% of the Lower Explosive Limit) and 20. 9% oxygen, this mixture provides a reliable standard for verifying combustible gas sensor response while confirming