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硫化氫H2S氣體觀(guān)測管120SF HYDROGEN SULPHIDE 25-2000ppm,無(wú)論何時(shí)由于不用分析儀器和化學(xué)藥劑,省略了測定的準備工作.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,只要有微量的試樣空氣就可以進(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,誰(shuí)都可以測定,而且不會(huì )有個(gè)人誤差◆多種氣體可以檢測多達300余種氣體.◆快速 測定的結果幾分鐘就可得到,可以立即轉入下一步操作.◆安全 不用電源,熱源,即使有易燃易爆的氣體存在,也可以確保操作安全.
更新時(shí)間:2024-07-14
在線(xiàn)留言硫化氫H2S氣體觀(guān)測管120SF HYDROGEN SULPHIDE 25-2000ppm
Tube No.
1. PERFORMANCE
1) Measuring range :50-1000 ppm 100-2000 ppm
Number of pump strokes 1(100ml) 1/2(50ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.5 ppm(100ml)
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 1 pump stroke
7) Colour change :White→Black
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
H2S+2AgNO3→Ag2S
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
120SF HYDROGEN SULPHIDE
(NOTE)
In case of 1 /2 pump strokes, following formula is available for the actual concentration.
Actual concentration=2 ×Reading value
上一篇:120SE硫化氫H2S氣體測毒管120SE HYDROGEN SULPHIDE 0.5-40ppm
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