Khí chuẩn calgaz (52 sản phẩm)

Chai khí chuẩn 0.5% O₂/ N₂ Balance - Model 8AL

Chai khí chuẩn 0.5% O₂/ N₂ Balance - Model 2AL

Chai khí chuẩn 12% O₂/ N₂ Balance - Model 8AL

Chai khí chuẩn 12% O₂/ N₂ Balance - Model 2AL

Chai khí chuẩn 18% O₂/ N₂ Balance - Model 8AL

Chai khí chuẩn 18% O₂/ N₂ Balance - Model 2AL

Chai khí chuẩn 20.9% O₂/ N₂ Balance - Model 8AL

Chai khí chuẩn 20.9% O₂/ N₂ Balance - Model 2AL

Chai khí chuẩn 15ppm H₂S/ 50ppm CO/ 2.5% CH₄/ 18% O₂/ N₂ Balance - Model 8AL

Chai khí chuẩn 15ppm H₂S/ 50ppm CO/ 2.5% CH₄/ 18% O₂/ N₂ Balance - Model 2AL

Chai khí chuẩn 25ppm H₂S/ 100ppm CO/ 2.5% CH₄/ 17% O₂/ N₂ Balance - Model 8AL

Chai khí chuẩn 25ppm H₂S/ 100ppm CO/ 2.5% CH₄/ 17% O₂/ N₂ Balance - Model 2AL