Gastec 16 光气COCL2快速气体检测管(0.05~20ppm)

Indicator: 0.1 to 5 ppm
Measuring Range: 
+ 0.05 to 0.1 ppm, Number of Pump Strokes 10
+ 0.1 to 5 ppm, Number of Pump Strokes 5
+ 5 to 20 ppm, Number of Pump Strokes 1
Sampling Time:  per pump stroke
Colour Change: White → Yellow
Reaction Principle: COCl2+ (CH3)2NC6H4CHO → (CH3)2NC6H4CHCl2 + CO2, (CH3)2NC6H4CHCl2 + (C6H5)2NH → Yellow Product
Coefficient of Variation: 10% (for 0.1 to 1 ppm), 5% (for 1 to 5 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Detail

Catalog

Manual

Performance
Measuring Range
0.05 to 0.1 ppm 0.1 to 5 ppm 5 to 20 ppm
Number of Pump Strokes
10 5 1
Correction Factor
1/2 1 4
Sampling Time 1 minute per pump stroke
Detecting Limit 0.01 ppm (n=10)
Colour Change White → Yellow
Reaction Principle COCl2+ (CH3)2NC6H4CHO → (CH3)2NC6H4CHCl2 + CO2
(CH3)2NC6H4CHCl2 + (C6H5)2NH → Yellow Product
Coefficient of Variation 10% (for 0.1 to 1 ppm), 5% (for 1 to 5 ppm)
Shelf Life 1.5 Years
Corrections for temperature & humidity Temperature correction is necessary
Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below.
Possible coexisting substances and their interferences (NOTE)
Substance Concentration Interference Change colour by itself to
Hydrogen chloride 1/10 time + Yellow
Chlorine 1/2 time + Yellow
Nitrogen dioxide 1/5 time + Yellow
Calibration gas generation Permeation tube method
TLV-TWA TLV-STEL Explosive range
0.1 ppm (2014) -  

 

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