氯化氫HCl氣體檢測(cè)管173SA HYDROGEN CHLORIDE 20-1200ppm

Tube 73SA

1. PERFORMANCE
1） Measuring range ：40-1,200 ppm 20-600 ppm
Number of pump strokes 1/2（50ml） 1（100ml）
2） Sampling time ：1.5 minutes/1 pump stroke
3） Detectable limit ：5 ppm
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 ：Purple→Pink
2. RELATIVE STANDARD DEVIATION
RSD-low：5％　RSD-mid.：5％　RSD-high：5％
3. CHEMICAL REACTION
By reacting witl alkali, PH indicator is discoloured.
HCI＋NaOH→NaCI＋H2O
4. CALIBRATION OF THE TUBE
COLOURIMETRY METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
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GAS To pump
DETECTOR TUBE
（white）
DEHUMIDIFIER TUBE
600
500
400
300
200
100
100
20
100ml
ppm
173SA HYDROGEN CHLORIDE
Substance Interference ppm Coexistence
Sulphur dioxide Yellow - Pink double - layer stains are
FIG.1 Yellow stain is produced. pHroyddruocgeedn a cnhdlo trhidise p cinokn csetanitnra intiodnic.ates
Chlorine 〃
Hydrogen sulphide 500 The accuracy of readings is not affected.
（NOTE）
In case of 1 / 2 pump strokes, following formula is available for the actual concentration.
Actual concentration＝2×Reading value
0
600
400
200
Sulphur dioxide〔ppm〕?
FIG.1 Influence of Sulphur dioxide