氧氣O2氣體測(cè)毒管159SC OXYGEN 1.5-24%

1. PERFORMANCE
1） Measuring range ：3-24％ 1.5-3％
Number of pump strokes 1/2（50ml） 1（100ml）
2） Sampling time ：1 minute/1/2 pump stroke
1.5 minutes/1 pump stroke
3） Shelf life ：2 years
4） Operating temperature ：0～45℃
5） Reading ：Direct reading from the scale calibrated by 1 /2 pump stroke
6） Colour change ：Black→White
2. RELATIVE STANDARD DEVIATION
RSD-low：5％　RSD-mid.：5％　RSD-high：5％
3. CHEMICAL REACTI0N
Titanium trichloride is oxidized and Titanium oxide is produced.
O2＋TiCI3→TiO2
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
3
6
9
12
15
18
21
24
%
50ml
GAS To pump
（White）
DETECTOR TUBE POSTTREAT TUBE
Tube No.
159SC OXYGEN
（NOTE）
When the concentration is below 3％, 1 pump stroke can be used to determine the lower concentration.
Following formula is available for the actual concentration.
Actual concentration＝1/2×Reading value
Substance Interference Coexistence
Sulphur dioxide The accuracy of readings is not
affected.
Carbon dioxide 〃
Nitrogen dioxide 〃
Hydrogen sulphide 〃