GASTEC为了满足用户在气体检测方面的需要,而开发出了电子自动采气泵。用传统的电子吸气泵几乎不能进行有效的采气,因为检测管里的填充试剂密度很高。而GASTEC开发的GSP电泵系列能提供强劲吸力,能满足特定的检测管的取样要求。电泵和检测管组成的新的检测系统能适用于作业环境的检测。 甲醇检测管CH3OH11TP ,GASTEC 甲醇检测管CH3OH11TP气体检测管,日本GASTEC 甲醇检测管CH3OH11TP电泵用气体检测管检测范围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%