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Gastec 8La Quick-measuring Detector tubes Chlorine Cl2 (0.1~16ppm)

ManufacturerGastec(View more products from this manufacturer)
Model8La
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Indicator: 0.5 to 8 ppm
Measuring Range:
+ 0.1 to 0.5 ppm, Number of Pump Strokes 2 to 5
+ 0.5 to 8 ppm, Number of Pump Strokes 1
+ 8 to 16 ppm, Number of Pump Strokes 1/2
Sampling Time: 1 minutes per pump stroke
Colour Change: White → Pale pink
Reaction Principle: Cl2 + o - Tolidine → Pale pink products
Coefficient of Variation: 10% (for 0.5 to 2 ppm), 5% (for 2 to 8 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Catalog

Manual

Performance
Measuring Range
0.1 to 0.5 ppm 0.5 to 8 ppm 8 to 16 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 Cl2 + o - Tolidine → Pale pink products
Coefficient of Variation 10% (for 0.5 to 2 ppm), 5% (for 2 to 8 ppm)
Shelf Life 3 Years
Corrections for temperature & humidity Unnecessary
Store the tubes at cool and dark 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 dioxide   + Pale pink
Bromine, Iodine   + Pale pinky
Other substance measurable with this detector tube
Substance Correction Factor No. of pump strokes Measuring Range
Bromine 0.1 4 0.05 to 0.8 ppm
Chlorine dioxide 0.6 1 0.3 to 4.8 ppm
Calibration gas generation Permeation tube method
TLV-TWA TLV-STEL Explosive range
0.5 ppm 1 ppm -

 

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