Gastec Sulphur Dioxide Gas Detector Tube features 8 pump strokes and 1/4 correction factor for 0.5 - 1 ppm measuring range, 4 pump strokes and 1/2 correction factor for 1 - 20 ppm measuring range, 2 pump strokes and 1 correction factor for 2 - 30 ppm measuring range and 1 pump strokes and 2 correction factor for 30 - 60 ppm measuring range. Detector tube with sampling time of 1 min per pump stroke is ideal to detect sculpture dioxide in air or the industrial areas and environmental atmospheric condition. Detector with 0.1 ppm detecting limit, changes color from blue to yellow. Made in: United States1 X 1 X 1Item weight: 19MPN: 5LAManufacturer: Gastec Monitors and Calibration Equipment Made in: United States Dimensions: 1 X 1 X 1
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