氨氣氣體檢測管105SB AMMONIA NH3 0.5-10%

Tube 05SB
1. PERFORMANCE
1） Measuring range ：50-900 ppm
Number of pump strokes 1（100mr）
2） Sampling time ：1 minute/1 pump stroke
3） Detectable limit ：5 ppm
4） Shelf life ：3 years
5） Operating temperature ：0～40℃
6） Reading ：Direct reading from the scale calibrated by 1 pump stroke
7） Colour change ：Pale purple→Pale Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low：5％　RSD-mid.：5％　RSD-high：5％
3. CHEMICAL REACTION
By reacting with Phosphoric acid, PH indicator is discoloured.
2NH3＋H3PO4→（NH4）2PO4
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
50
100
200
300
400
500
600
700
800
900
100ml
ppm
GAS To pump
DEHUMIDIFIER
（White）
105SB AMMONIA
Substance Interference ppm Coexistence
Amines Similar stain is produced. Higher readings are given.
Chlorine 2 Lower readings are given.
Sulphur dioxide NH3conc.×1/4 〃
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