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NIST-traceable 4-gas mix (e.g., 25 ppm H2S, 100 ppm CO, 2.5% CH4 = 50% LEL, 18% O2, bal. N2) in 34L/58L/116L; matched to BW, RKI, RAE, Crowcon, MSA.
In stock
NIST-traceable 4-gas mix (e.g., 25 ppm H2S, 100 ppm CO, 2.5% CH4 = 50% LEL, 18% O2, bal. N2) in 34L/58L/116L; matched to BW, RKI, RAE, Crowcon, MSA.
NIST-traceable 4-gas mix (e.g., 25 ppm H2S, 100 ppm CO, 2.5% CH4 = 50% LEL, 18% O2, bal. N2) in 34L/58L/116L; matched to BW, RKI, RAE, Crowcon, MSA.