ISO 8761:1989, Work-place air - Determination of mass concentration of nitrogen dioxide - Method using detector tubes for short-term sampling with direct indication
Carbon Dioxide Gas Detector Tubes, Range 0.5-8.0%, Box of 10
Glass Detector Tube, Detects For Sulfur Dioxide, 0.05 to 8 Measuring Range
I was supersized how the CO2 levels changed during the lecture..
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