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                    1. 韩国三级大全久久网站_色噜噜一区二区三区_高清欧美性猛交xxxx黑人猛_激情五月开心婷婷_来一水AV@lysav

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                      首頁>產(chǎn)品中心>日本光明北川式氣體檢測管>氣體快速檢測管>156S氟化氫HF氣體檢測管156S HYDROGEN FLUORIDE 0.17-30ppm

                      氟化氫HF氣體檢測管156S HYDROGEN FLUORIDE 0.17-30ppm

                      簡要描述:

                      氟化氫HF氣體檢測管156S HYDROGEN FLUORIDE 0.17-30ppm,是一種*的腐蝕劑,有劇毒。它是無色的氣體,但是在空氣中,只要超過3ppm就會產(chǎn)生刺激的味道。八小時日時量平均容許濃度(TLV):3ppm,短時間時量平均容許濃度(S):6ppm,呼吸防護:30ppm以下:含防HF 濾罐的動力型空氣凈化式或全面型化學(xué)濾罐式呼吸防護具、含防HF 濾罐的防毒面罩、全面型自攜式或供氣式呼吸防護具

                      更新時間:2025-01-01

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                      氟化氫HF氣體檢測管156S HYDROGEN FLUORIDE 0.17-30ppm

                      氟化氫HF氣體檢測管156S HYDROGEN FLUORIDE 0.17-30ppm

                      Tube 56S

                      1. PERFORMANCE
                      1) Measuring range :0.5-30 ppm 0.25-15 ppm
                      Number of pump strokes 3(300ml) 6(600ml)
                      2) Sampling time :1 minute/1 pump stroke
                      3) Detectable limit :0.2 ppm(300ml)
                      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 3 pump strokes
                      8) Colour change :Greenish yellow→Pink
                      2. RELATIVE STANDARD DEVIATION
                      RSD-low:10% RSD-mid.:10% RSD-high:10%
                      3. CHEMICAL REACTION
                      PH indicator is discoloured by Hydrogen fluoride.
                      4. CALIBRATION OF THE TUBE
                      PERMEATION TUBE METHOD
                      5. INTERFERENCE AND CROSS SENSITIVITY
                      GAS To pump
                      1
                      0.5
                      5
                      10
                      15
                      20
                      25
                      30
                      300ml
                      ppm

                      ????
                      156S HYDROGEN FLUORIDE
                      Substance Interference Coexistence
                      Chlorine FIG.1 Similar stain is produced. Higher readings are given.
                      Hydrogen chloride FIG.2 〃〃
                      (NOTE)
                      1)This detector tube is affected by ambient temperature and humidity,therefore, it is necessary to compensate
                      the reading of gas detector tube with the following equation and correction coefficient table.
                      Actual concentration=Reading Value×Correction Coefficient
                      2)In case of 6 pump strokes, following formula is available for the actual concentration.
                      Actual concentration=1/2×Temp./R.H. corrected value
                      0
                      30
                      40
                      20
                      10
                      Chlorine〔ppm〕?
                      FIG.1 Influence of Chlorine
                      Hydrogen fluorine
                      indicating value 〔ppm〕
                      2 4 6 8 10 0
                      30
                      40
                      20
                      10
                      Hydrogen chloride〔ppm〕?
                      FIG.2 Influence of Hydrogen chloride
                      Hydrogen fluorine
                      indicating value 〔ppm〕
                      10 20 30
                      TEMP./R.H.CORRECTION COEFFICIENT TABLE
                      Relative Temperature
                      Humidity 0℃ 10℃ 20℃ 30℃ 40℃
                      (%) (32°F) (50°F) (68°F) (86°F) (104°F)
                      30 0.9 0.7 0.6 0.55 0.5
                      40 1.6 1.0 0.8 0.65 0.6
                      50 2.6 1.3 1.0 0.7 0.7
                      60 - 2.2 1.5 1.1 0.8
                      70 - - 2.7 1.6 0.9
                      80 - - - 2.9 1.1

                      韩国三级大全久久网站_色噜噜一区二区三区_高清欧美性猛交xxxx黑人猛_激情五月开心婷婷_来一水AV@lysav
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