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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>177UR水蒸汽H2O气体检知管177UR WATER VAPOUR 2-12LB/MMCF

水蒸汽H2O气体检知管177UR WATER VAPOUR 2-12LB/MMCF

简要描述:

水蒸汽H2O气体检知管177UR WATER VAPOUR 2-12LB/MMCF,本发明公开了一种有害气体检测管及其快速环境空气检测仪,用于对低浓度有害气体进行监测。本发明的有害气体检测管,包括透明的密封管体,密封管体的两端呈锥体形状,锥体的端部为封熔点,密封管体上设置有刻度。密封管体内,两端锥体附近分别设置有填充物,两处填充物之间设置有气体检测指示粉。安装不同的气体检测指示粉,可用于检测不同的有害气体。

更新时间:2017-08-20

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水蒸汽H2O气体检知管177UR WATER VAPOUR 2-12LB/MMCF

水蒸汽H2O气体检知管177UR WATER VAPOUR 2-12LB/MMCF

1. PERFORMANCE
1) Measuring range :2-12 LB/MMCF
Number of pump strokes 2(200ml)
2) Sampling time :2 minutes/2 pump strokes
3) Detectable limit :1 LB/MMCF
4) Shelf life :3 years
5) Operating temperature :0~35℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 2 pump strokes
8) Colour change :Yellow→Yellowish green
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
H2O+Mg(ClO4)2→Mg(ClO4)・H2O
4. CALIBRATION OF THE TUBE
DIFFUSION TUBE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
12
10
8
6
4
2
H2O
LB/MMCF
Tube No.
177UR WATER VAPOUR
Substance Interference Coexistence
Alcohols Similar stain is produced. Higher readings are given.
Benzene The accuracy of readings is not affected.
Toluene 〃
Hexane 〃
Sulphur oxide 〃
Hydrogen sulphide 〃
TEMPERATURE CORRECTION TABLE
Temperature;To correct for temperature, multiply the tube reading by the following factors.
Temperature(℃) 0 1 2 3 4 5 6 7 8 9
Correction Factor 1.69 1.65 1.61 1.57 1.53 1.50 1.46 1.42 1.39 1.35
Temperature(℃) 10 11 12 13 14 15 16 17 18 19
Correction Factor 1.32 1.28 1.25 1.22 1.19 1.15 1.12 1.09 1.06 1.03
Temperature(℃) 20 21 22 23 24 25 26 27 28 29
Correction Factor 1.00 0.98 0.95 0.92 0.90 0.87 0.85 0.82 0.80 0.78
Temperature(℃) 30 31 32 33 34 35
Correction Factor 0.75 0.73 0.71 0.69 0.67 0.65

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