過氧化氫H2O2氣體檢測(cè)管247S Hydrogen Peroxide 0.5-10ppm

GAS To pump
1. PERFORMANCE
1） Measuring range ：0.5-10ppm
Number of pump strokes
2） Sampling time ：7.5 minutes/5 pump strokes
3） Detectable limit ：0.2 ppm
4） Shelf life ：3 years
5） Operating temperature ：0～40℃
6） Temperature compensation ：Necessar（y See "NOTE"）
7） Reading ：Direct reading from the scale calibrated by 5 pump strokes
8） Colour change ：White → Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low ：10％　RSD-mid.： ％　RSD-high： ％
3. CHEMICAL REACTION
By reacting with Titanium sulphate, yellow complex is generated.
4. CALIBRATION OF THE TUBE
DIFFUSION TUBE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
Tube No.
247S HYDROGEN PEROXIDE
Substance Interference ppm
Chlorine The accuracy of reading is not
affected.
TEMPERATURE CORRECTION COEFFICIENT TABLE （AT 20℃）
Tepm. 0 2 4 6 8
0 1.32 1.28 1.25 1.23
10 1.09 1.07 1.06 1.05 1.03
5（500mL）
1 3 5 7
1.35 1.20
1.02
1.17
1.00
1.15
1.00
1.13
1.00
JAPAN
ppm
0.5
12468
10
500mL
H2O2 + Ti（SO4）2 → H2[TiO2（SO4）2]
Ozone
Nitrogen dioxide
Acetaldehyde
Formaldehyde 10 Lower readings are given.
The accuracy of reading is not
affected.
Coexistence
"
（℃） 9
1.11
1.00
"
"
"
"
"
"
（NOTE）
The scale is calibratd based on the temperature of 20℃ （68°）. Readings obtained in other
temperature circumstances should be corrected with the following temperature correction
coefficient table.
F
Actual concentration = Reading value × Coefficient for temperature correction
10 10
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