Ozone Detection Tubes (0.025 to 3 ppm)
Gastec Detection Tube No. 18L measures Ozone with a Range of 0.025 to 6 ppm.
- Measuring Range:
- 0.025 to 0.05 ppm
- (0.05) to 0.6 ppm
- 0.6 to 3 ppm
- 3 to 6
- Number of pump strokes: 10, 5, 1, 1/2
- Correction Factor: 1/2, 1, 5, 10
- Sampling Time: 1 minute per pump stroke
- Detecting Limit: 0.01 ppm (10 pump strokes)
- Changes from Blue to White
- Corrections for temperature & humidity: Unnecessary
- Reaction Principle: 2O3 + C16H10N2O2 → 2C8H5NO2 + 2O2
- Relative Standard Deviation: 10% (for 0.05 to 0.2 ppm), 5% (for 0.2 to 0.6 ppm)
- 3 Year Shelf Life
- Store the tubes at cool and dark place.
Possible coexisting substances and their interferences:
Substance |
Concentration |
Interference |
Changes color by itself to |
Bromine |
≧ 1 ppm |
+ |
White |
Hypochlorous acid |
|
+ |
White |
Nitrogen dioxide |
≧ 1 ppm |
+ |
White |
Oxidant |
|
+ |
White |
Chlorine |
≧ 10 ppm |
+ (Bleaching) |
Unclear demarcation |
Water vapor |
Relative Humidity: 100 % |
+ |
Unclear demarcation |
Ozone Detection Tubes (0.025 to 3 ppm)
There are no reviews yet.