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氨气测毒管105SC AMMONIA NH3 5-260ppm
Tube 05SC
1. PERFORMANCE
1) Measuring range :10-260 ppm 5-130 ppm
Number of pump strokes 1(100mr) 2(200mr)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.5 ppm(200mr)
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:10% 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
10
20
40
60
80
100
120
140
160
180
200
220
240
260
100ml
ppm
GAS To pump
DEHUMIDIFIER
(White)
105SC AMMONIA
Substance Interference ppm Coexistence
Amines Similar stain is produced. Higher readings are given.
Sulphur dioxide NH3conc.×1/3 Lower readings are given.
Chlorine 2 〃
(NOTE)
In case of 2 strokes, the following equation is available for the actual concentration.
Actual concentration=1/2×Reading value.
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