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首頁(yè)>產(chǎn)品中心>日本光明北川式氣體檢測管>氣體快速檢測管>177U水蒸汽H2O氣體檢知管177U WATER VAPOUR 0.05-2.0mg/l

水蒸汽H2O氣體檢知管177U WATER VAPOUR 0.05-2.0mg/l

簡(jiǎn)要描述:

水蒸汽H2O氣體檢知管177U WATER VAPOUR 0.05-2.0mg/l,檢測管的特長(cháng):無(wú)論何時(shí):由于不用分析儀器和化學(xué)藥劑,省略了測量前的準備工作,無(wú)論何時(shí)都可以進(jìn)行測定,無(wú)論何地:極為小巧便于攜帶,只要有微量的空氣就可以進(jìn)行測定,Z適合于現場(chǎng)測定,無(wú)論何人:測定的操作非常簡(jiǎn)單,無(wú)論專(zhuān)業(yè)人士或非專(zhuān)業(yè)人士

更新時(shí)間:2024-07-14

在線(xiàn)留言
水蒸汽H2O氣體檢知管177U WATER VAPOUR 0.05-2.0mg/l

水蒸汽H2O氣體檢知管177U WATER VAPOUR 0.05-2.0mg/l

Tube 77U
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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