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磷化氫PH3有毒氣體檢測管121SS PHOSPHINE 200-6000ppm，有限/密閉空間氣體安全檢測箱，有限空間應急防護箱，AP-20通過直接讀取方式，可簡單測定空氣中各種氣體的濃度。使用1個檢測器（泵），只要更換檢測管，就能進行測定。由于是直接讀取式，所以不會出現(xiàn)人為誤差。1沖程（100ml）30～120秒，就可以結(jié)束濃度測定。體育與休閑：游泳池、訓練場、室內(nèi)體育設(shè)施等，環(huán)境：環(huán)保局、疾病預防控制中心、環(huán)境監(jiān)測站（大隊）等，突發(fā)性化學事故：如火災、爆炸、毒氣泄漏等，針對突發(fā)公共衛(wèi)生事件
更新時間：2024-12-19
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磷化氫PH3有毒氣體檢測管121SS PHOSPHINE 200-6000ppm
The KITAGAWA Gas Detector Tube System is a complete sampling and analysis system for determining hazardous gas and vapour concentrations quickly and easily. The KITAGAWA Gas Detector Tube System is comprised of an Air Sampling Pump and Precision Gas Detector Tubes.
The KITAGAWA air sampling pump reproducibly draws 100cc of sample air through the detector tube. All detector tubes are calibrated for a single pump stroke; there is no need for multiple volumes or stroke counters.
Each detector tube is formulated with high purity reagents that absorb and react with the target gas or vapour being measured. A colorimetric stain is created that is proportional in length to the concentration. For most tubes, the concentration is read directly off the measurement scale on each tube.
How To Use The KITAGAWA Gas Detector Tube System
Detector tubes are available to measure more than 200 different kinds of gases and vapours. For many gases and vapours, there are several concentration ranges available giving you the flexibility to measure both low and high concentrations without sacrificing precision.
For specific information, please refer to the list of detector tubes.
Tube No.
GAS To pump
1. PERFORMANCE
1） Measuring range ??200-3,000ppm
Number of pump strokes 1（100mL）
2） Sampling time ??1 minute/1 pump stroke
3） Detectable limit ??5ppm （100mL）
4） Shelf life ??3 years
5） Operating temperature ??0??40??
6） ??
7） Colour change ??
Direct reading from the scale calibrated by 1 pump stroke
White ?? Orange
2. RELATIVE STANDARD DEVIATION
RSD-low ??10????RSD-mid. ?? ???? RSD-high ?? ??
3. CHEMICAL REACTION
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
121SS PHOSPHINE
Substance Interference Coexistence
Carbon dioxide The accuracy of reading is not affected.
400-6,000ppm
1/2（50mL）
Reading
PH3 + KIO3 ?? I2
Methyl bromide
Hydrogen cyanide
Ammonia
The stained layer at the side of the gas
inlet is bleached out and higher readings
are given.
Potassium iodate is reduced.
"
"
"
"
（NOTE）
I????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
????????????????????????????????????????????????????????????????????????????????
5 5
1600
1800
2000
2200
2400
2600
2800
3000
200
400
600
800
1000
1200
1400
ppm
JAPAN
100mL
%
"
100 The accuracy of reading is not affected.
less than
3
3
0.6
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