GASTEC為了滿足用戶在氣體檢測方面的需要,而開發(fā)出了電子自動采氣泵。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測管里的填充試劑密度很高。而GASTEC開發(fā)的GSP電泵系列能提供強(qiáng)勁吸力,能滿足特定的檢測管的取樣要求。電泵和檢測管組成的新的檢測系統(tǒng)能適用于作業(yè)環(huán)境的檢測。 甲醇檢測管CH3OH11TP ,GASTEC 甲醇檢測管CH3OH11TP氣體檢測管,日本GASTEC 甲醇檢測管CH3OH11TP電泵用氣體檢測管檢測范圍20-300ppm。
Methanol | NO.111TP |
CH3OH
This detector tube is only to be used with automatic gas sampler GSP-300FT-2
Calibration Range 20 - 300 ppm Measuring range 20 - 300 ppm Sampling (flow) Rate 50mL/min Sampling Volume 500mL Sampling Time 10min Detecting Limit 5 ppm Colour Change Pink → Pale blue Corrections for temperature/humidity Necessary for 0 to 40ºC
Unnecessary for R.H.10 to 90% Shelf life 2 years Accuracy CV=5-10%
(CV: Coefficient of variation = σ: standard deviation / mean value x 100)
Substance(s) Interference Colour change by itself
Alcohols + Pale blue Esters, Ketones No No Aliphatic hydrocarbons No No Aromatic hydrocarbons No No
Calibration gas generation Diffusion tube method
TLV-TWA TLV-S Explosive range 200 ppm 250 ppm 6 to 36%