产品列表PRODUCTS LIST
氯化氢HCl气体检测管173SA HYDROGEN CHLORIDE 20-1200ppm,豫东科技是专业生产各种比长式气体检测管,比长式气体检测管在不用任何能源,电源的情况下,能够快速检测,具有操作简单,携带方便等特点,并可在空气中对有害气体的检测.可对有限空间气体快速准确测量。
更新时间:2025-03-18
在线留言氯化氢HCl气体检测管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氢气H2气体检测管137U HYDROGEN 0.05-0.8%
下一篇:173SB氯化氢HCl气体检知管173SB HYDROGEN CHLORIDE 0.4-40ppm
返回列表>>相关产品