中文无码一区二区不卡αv_国内精品久久久久久影院_亚洲一区精品无码色成人_免费观看黄频视_18禁美女黄网站色大片免费看

產品列表PRODUCTS LIST

首頁>產品中心>日本光明北川式氣體檢測管>氣體快速檢測管>177UL水蒸汽H2O氣體檢測管177UL WATER VAPOUR 3-80LB/MMCF

水蒸汽H2O氣體檢測管177UL WATER VAPOUR 3-80LB/MMCF

簡要描述:

水蒸汽H2O氣體檢測管177UL WATER VAPOUR 3-80LB/MMCF,生產廠家:美國PlasticFilm公司,Tedlar(PVF)美國Dupont公司生產,應用行業(yè)分布廣泛,涵蓋石油、化工、冶金、采礦、電子、電力、制藥、食品、醫(yī)療衛(wèi)生、農業(yè)、燃氣、市政工程、家庭安全與健康、公用場所、道路安全管理、污水處理、生物科學、航天航空、軍事反恐等領域,用于防火防爆、預防中毒、污染監(jiān)測、環(huán)境治理、改善人居環(huán)境。

更新時間:2024-12-19

在線留言
水蒸汽H2O氣體檢測管177UL WATER VAPOUR 3-80LB/MMCF

水蒸汽H2O氣體檢測管177UL WATER VAPOUR 3-80LB/MMCF

1. PERFORMANCE
1) Measuring range :3-80 LB/MMCF
Number of pump strokes 1(100ml)
2) Sampling time :1 minute
3) Detectable limit :2 LB/MMCF
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, Yellowish green(below 40 LB/MMCF)
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
80
60
40
20
10
6 3 H2O
LB/MMCF
Tube No.
177UL 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 1.85 1.81 1.77 1.72 1.68 1.63 1.59 1.54 1.49 1.45
Temperature(℃) 10 11 12 13 14 15 16 17 18 19
Correction Factor 1.40 1.36 1.31 1.27 1.23 1.19 1.15 1.11 1.07 1.03
Temperature(℃) 20 21 22 23 24 25 26 27 28 29
Correction Factor 1.00 0.96 0.93 0.90 0.87 0.84 0.81 0.78 0.76 0.73
Temperature(℃) 30 31 32 33 34 35 36 37 38 39
Correction Factor 0.71 0.68 0.66 0.64 0.62 0.60 0.58 0.56 0.55 0.53
Temperature(℃) 40
Correction Factor 0.51