Calibration Gas, 60 Liters
H2S ppm 25, CO ppm 100, LEL CH4 2.5%, O2 18%
Part Number: ISG60L425
Calibration gas - hydrogen sulfide PPM 25, carbon monoxide PPM 100, Ch4 2.5% LEL, oxygen %18, 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.