Calibration 4-gas mixture

SKU: 4.27.1083
On request

4-gas mixture:
100 ppm CO / 25 ppm H2S / 2.5% CH4 / 18% O2 in Nitrogen
Cont. 34 liter
Durability 2 years

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4-gas mixture:
100 ppm CO / 25 ppm H2S / 2.5% CH4 / 18% O2 in Nitrogen
Cont. 34 liter
Durability 2 years