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氯化氫HCl氣體檢測管173SA HYDROGEN CHLORIDE 20-1200ppm,豫東科技是專業(yè)生產(chǎn)各種比長式氣體檢測管,比長式氣體檢測管在不用任何能源,電源的情況下,能夠快速檢測,具有操作簡單,攜帶方便等特點,并可在空氣中對有害氣體的檢測.可對有限空間氣體快速準(zhǔn)確測量。
更新時間:2024-12-18
在線留言氯化氫HCl氣體檢測管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
??????
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
上一篇:137U氫氣H2氣體檢測管137U HYDROGEN 0.05-0.8%
下一篇:173SB氯化氫HCl氣體檢知管173SB HYDROGEN CHLORIDE 0.4-40ppm
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