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主页 有毒有害气体快速检测管（用泵） Gastec 23M 气体检测管二氧化氯 ClO2（0.1~10ppm）

Gastec 23M 气体检测管二氧化氯 ClO2（0.1~10ppm）

Indicator: 0.5 to 5 ppm
Measuring Range: 
+0.1 to 0.5 ppm , Number of Pump Strokes 2 to
+ 0.5 to 5 ppm, Number of Pump Strokes 1
+ 5 to 10 ppm, Number of Pump Strokes 1/2
Sampling Time: 1 minute per pump stroke
Colour Change: White → Pale pink
Coefficient of Variation: 10% (for 0.05 to 2 ppm), 5% (for 2 to 5 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Details

Catalog

Manual

Performance
Measuring Range
0.1 to 0.5 ppm 0.5 to 5 ppm 5 to 10 ppm
Number of Pump Strokes
2 to 5 1 1/2
Correction Factor
1/2 to 1/5 1 2
Sampling Time 1 minute per pump stroke
Detecting Limit 0.05 ppm (n=5)
Colour Change White → Pale pink
Reaction Principle Chlorine dioxide oxidises the indicator to produce Pale pink discolouration.
Coefficient of Variation 10% (for 0.05 to 2 ppm), 5% (for 2 to 5 ppm)
Shelf Life 3 Years
Corrections for temperature & humidity Unnecessary
Store the tubes in dark and cool place.
Possible coexisting substances and their interferences (NOTE)
Substance Concentration Interference Change colour by itself to
Nitric oxide   + Pale pink
Ozone   + Pale pink
Nitrogen dioxide   + Pale pink
Chlorine   + Pale pink
Bromine, Iodine   + Pale pink
Calibration gas generation Permeation tube method
TLV-TWA TLV-STEL Explosive range
0.1 ppm(2014) 0.3 ppm(2014) -
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