Kitagawa 139U Gas Detector Tube (20-1500 ppm)
ManufacturerKitagawa(View more products from this manufacturer)
Model139U
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Measuring range: 20-1,500 ppm
Number of pump strokes: 1 (100mr)
Sampling time: 1.5 minutes/1 pump stroke
Detectable limit: 10 ppm
Shelf life: 2 years
Operating temperature: 10～40℃
Reading: Direct reading from the scale calibrated by 1 pump stroke
Colour change: Yellow→Pale blue (The top of discoloured layer is Brown.)
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