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  • 產(chǎn)品名稱(chēng):二甲苯檢測(cè)管****22P

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二甲苯檢測(cè)管****22P,GASTEC二甲苯檢測(cè)管****22P氣體檢測(cè)管,日本GASTEC二甲苯檢測(cè)管****22P電泵用氣體檢測(cè)管檢測(cè)范圍540-13500μg/m3。
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二甲苯檢測(cè)管****22P
二甲苯檢測(cè)管
****22P,GASTEC二甲苯檢測(cè)管****22P氣體檢測(cè)管,日本GASTEC二甲苯檢測(cè)管****22P電泵用氣體檢測(cè)管檢測(cè)范圍540-13500μg/m3
GASTEC為了滿(mǎn)足用戶(hù)在氣體檢測(cè)方面的需要,而開(kāi)發(fā)出了電子自動(dòng)采氣泵。用傳統(tǒng)的電子吸氣泵幾乎不能進(jìn)行有效的采氣,因?yàn)闄z測(cè)管里的填充試劑密度很高。而GASTEC開(kāi)發(fā)的GSP電泵系列能提供強(qiáng)勁吸力,能滿(mǎn)足特定的檢測(cè)管的取樣要求。電泵和檢測(cè)管組成的新的檢測(cè)系統(tǒng)能適用于作業(yè)環(huán)境的檢測(cè)。

Toluene

NO.122P
C6H5CH3 

Specifications
Calibration Range100-2500μg/m3
Measuring range100-7000μg/m3
Sampling (flow) Rate200mL/min
Sampling Volume6000mL, 2000mL
Sampling Time30min, 10min
Detecting Limit50μg/m3
Colour ChangeWhite → Pale brown
Corrections for temperature/humidityUnnecessary for 5 to 35 ºC
Unnecessary for R.H.0 to 80%
Shelf life2 years
Possibly coexisting substances and their interferences
Substance(s)InterferenceColour change by itself
Ethanol NoNo
Xylene,Styrene1000μg/m3+Pale brown
p-Dichlorobenzene NoNo
α-Pinene NoNo
n-Hexane NoNo
Aromatic hydrocarbons +Pale brown
Formaldehyde1/3NoNo
Other substance(s) measurable with this detector tube
Substance(s)Correction FactorPump Strokes [n]Measuring Range
Ethyl benzenecoefficient: 1.1200mL/min x 30min110-2750μg/m3
Xylenecoefficient: 5.4200mL/min x 30min540-13500μg/m3
Calibration gas generationPermeation tube method
Miscellaneous
Electric sampling pump
This detector tube is suited for measuring toluene in indoor environments. The GSP-200 / GSP-300FT-2 series automatic gas samplers (or comparable sampling devices/pumps) should always be used for optimal performance.
A deviation of +/-10% in the sampling flowrate (i.e. amount of air flowing through the tube at a given moment) or the sampling amount (total sampled amount of target substance) causes an average margin of error of approx. +/-10% (maximum +/-20%) in the indicated value.
TLV-TWATLV-STELExplosive range
50ppm--1.4×6.7%
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