Gastec 8H 快速氯测量探测管Cl2(25~1000 ppm)

Indicator: 50 to 500 ppm
Measuring Range: 
+ 25 to 50pm, Number of Pump Strokes 2
+ 50 to 500 ppm, Number of Pump Strokes 1
+ 500 to 1000 ppm, Number of Pump Strokes 1/2
Sampling Time:  45 seconds per pump stroke
Colour Change: White → Vermilion
Reaction Principle: Cl2 + o - Tolidine → Vermilion products
Coefficient of Variation: 10% (for 50 to 100 ppm), 5% (for 100 to 500 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Detail

Catalog

Manual

Performance
Measuring Range
25 to 50pm 50 to 500 ppm 500 to 1000 ppm
Number of Pump Strokes
2 1 1/2
Correction Factor
1/2 1 2
Sampling Time 45 seconds per pump stroke
Detecting Limit 5 ppm (n=2)
Colour Change White → Vermilion (reddish orange)
Reaction Principle Cl2 + o - Tolidine → Vermilion products
Coefficient of Variation 10% (for 50 to 100 ppm), 5% (for 100 to 500 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
Bromine   + Vermilion
Chlorine dioxide   + Vermilion
Iodine   + Vermilion
Other substance measurable with this detector tube
Substance Correction Factor No. of pump strokes Measuring Range
Chlorine dioxide 0.5 1 25 to 250 ppm
Calibration gas generation Permeation tube method
TLV-TWA TLV-STEL Explosive range
0.5 ppm 1 ppm -

 

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