Portagas Calibration Gas, 58 Liters
H2S ppm 25, CO ppm 50, LEL Propane 50%, O2 12%, Nitrogen Balance
Part Number: PORT10327785
Calibration gas - hydrogen sulfide PPM 20, carbon monoxide PPM 50, propanet 50% LEL, oxygen %12, nitrogen balance. Calibration Gas is a special order item and cannot be returned. If you need assistance selecting the product, please contact customer service prior to placing your order.