臭氧O3氣體檢測管182SA OZONE 50-1000ppm

Tube 82SA
1. PERFORMANCE
1） Measuring range ：100-1,000 ppm 50-500 ppm
Number of pump strokes 1/2（50ml） 1（100ml）
2） Sampling time ：1 minute/1 pump stroke
3） Detectable limit ：5 ppm（100ml）
4） Shelf life ：2 years
5） Operating temperature ：0～40℃
6） Reading ：Direct reading from the scale calibrated by 1 pump stroke
7） Colour change ：Dark blue→Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low：10％　RSD-mid.：5％　RSD-high：5％
3. CHEMICAL REACTION
Indigo is oxidized and Isatin is produced.
4. CALIBRATION OF THE TUBE
COLOURIMETRY METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
50
100
200
300
400
500
ppm
GAS To pump
182SA OZONE
Substance Interference Coexistence
The top of discoloured layer
Nitrogen Similar stain is produced. becomes unclear and higher
readings are given.
Chlorine 〃〃
（NOTE）
In case of 1 / 2 pump strokes, following formula is available for actual concentration.
Actual concentration＝2×Reading value
C
NH
HN
C
O
＝?
O
C
＝?
＝C
C
NH
C
O
＝?
＋2O3 　? 2 ＝O＋2O2