Ozone

NO.18M
O3
Performance
Measuring Range
4 to 20 ppm 20 to 200 ppm 200 to 40 ppm
Number of Pump Strokes
2 to 5 1 2
Correction Factor
1/2 to 1/5 1 1/2
Sampling Time 1 minute per pump stroke
Detecting Limit 1 ppm (n=5)
Colour Change Orange → Pale yellow
Reaction Principle O3 + Indicator → Chemical reaction compound
Coefficient of Variation 10% (for 20 to 60 ppm), 5% (for 60 to 200 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
Hydrogen chloride   No Red
Hydrogen fluoride   No Red
Boron trifluoride   No Red
Phosphine   No Red
Arsine   No Red
Chlorine   + Pale yellow
Nitrogen dioxide   + Pale yellow
Calibration gas generation Ozone generater
TLV-TWA TLV-STEL Explosive range
0.08 ppm - -


Return to previous viewGo to top of page