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首页>产品中心>日本光明北川式气体检测管>气体快速检测管>177U水蒸汽H2O气体检知管177U WATER VAPOUR 0.05-2.0mg/l

水蒸汽H2O气体检知管177U WATER VAPOUR 0.05-2.0mg/l

简要描述:

水蒸汽H2O气体检知管177U WATER VAPOUR 0.05-2.0mg/l,检测管的特长:无论何时:由于不用分析仪器和化学药剂,省略了测量前的准备工作,无论何时都可以进行测定,无论何地:极为小巧便于携带,只要有微量的空气就可以进行测定,Z适合于现场测定,无论何人:测定的操作非常简单,无论专业人士或非专业人士

更新时间:2017-07-13

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水蒸汽H2O气体检知管177U WATER VAPOUR 0.05-2.0mg/l

水蒸汽H2O气体检知管177U WATER VAPOUR 0.05-2.0mg/l

Tube No.177U
1. PERFORMANCE
1) Measuring range :0.05-2.0 mg/l
Number of pump strokes 1(100ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.03 mg/l
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change : Yellow→Blue or Yellowish green
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
By reacting with Magnesium perchlomate, PH indicator is discoloured.
H2O+Mg(CIO4)2→Mg(CIO4)2H2O
4. CALIBRATION OF THE TUBE
DIFFUSION TUBE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
1.8
2.0
1.4
1.6
1.2
0.8
1.0
0.4
0.6
0.1
0.05
0.2
mg/l
177U WATER VAPOUR
Substance Interference Coexistence
Alcohols FIG.1 Similar stain is produced. Higher readings are given.
Paraffinic hydrocarbons The accuracy of readings is not The accuracy of readings is not
affected. affected.
0
2.0
Methanol〔ppm〕�
FIG.1 Influence of Methanol
Water vapour indicating value 〔mg/R〕
1500
1.5
500 1000
0.5
1.0
Coexistence
Interference
TEMPERATURE CORRECTION TABLE
Scale True Concentration (mg/r)
Readings
(mg/r) 32°F 41°F 50°F 59°F 68°F 77°F 86°F 95°F 104°F
2.0 3.70 3.06 2.48 2.00 1.60 1.28 0.92 0.66
1.8 4.40 3.26 2.66 2.20 1.80 1.44 1.10 0.82 0.58
1.6 4.00 2.94 2.40 1.95 1.60 1.30 0.98 0.74 0.52
1.4 3.30 2.52 2.08 1.72 1.40 1.15 0.85 0.64 0.44
1.2 2.70 2.06 1.80 1.48 1.20 0.98 0.72 0.54 0.38
1.0 1.92 1.66 1.50 1.24 1.00 0.82 0.60 0.46 0.30
0.8 1.58 1.38 1.24 1.00 0.08 0.66 0.50 0.36 0.25
0.6 1.10 1.02 0.90 0.74 0.60 0.50 0.37 0.26 0.18
0.4 0.72 0.68 0.60 0.50 0.40 0.34 0.25 0.18 0.12
0.2 0.38 0.36 0.32 0.26 0.20 0.18 0.14 0.08 0.06
0.1 0.18 0.17 0.15 0.13 0.10 0.08 0.06 0.50 0.04

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