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Gastec 8LL 快速氯测量探测管Cl2(0.025~2ppm)

Indicator: 0.1~1ppm
Measuring Range: 
+ 0.025 to 0.05 ppm, Number of Pump Strokes 2
+ 0.05 to 1.0 ppm, Number of Pump Strokes 1
+ 1.0 to 2.0 ppm, Number of Pump Strokes 1/2
Sampling Time: 2 minute per pump stroke
Colour Change: White → Pale Green
Reaction Principle: Cl2 + ABTS → Pale green products 
Coefficient of Variation: 10% (for 0.05 to 0.2 ppm), 5% (for 0.2 to 1.0 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Details

Catalog

Manual

Performance
Measuring Range
0.025 to 0.05 ppm 0.05 to 1.0 ppm 1.0 to 2.0 ppm
Number of Pump Strokes
2 1 1/2
Correction Factor
1/2 1 2
Sampling Time 2 minutes per pump stroke
Detecting Limit 0.005 ppm (n=2)
Colour Change White → Pale Green
Reaction Principle Cl2 + ABTS → Pale green products
Coefficient of Variation 10% (for 0.05 to 0.2 ppm), 5% (for 0.2 to 1.0 ppm)
Shelf Life 1 Year
Corrections for temperature & humidity Unnecessary
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
Ammonia   No No
Carbon monoxide, Carbon dioxide   No No
Hydrogen chloride   No No
sulphur dioxide   No No
Nitrogen dioxide, Chlorine dioxide   + Pale green
Halogens   + Pale green
Hydrogen sulphide   No No
Organic vapours   No No
Calibration gas generation Permeation tube method
TLV-TWA TLV-STEL Explosive range
0.5 ppm (2014) 1 ppm (2014) -

 

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