Gastec 131P 检测氯乙烯气体管 CH2:CHCl(50 - 1500μg/m3)

Calibration Range: 50 - 1500 μg/m3
Measuring Range: 50 - 1500 μg/m3
Sampling (flow) Rate: 100mL/min
Sampling Volume: 3000mL
Sampling Time: 30 min
Colour Change: Yellow → Pale reddish purple
Nr. of tests: 5 tubes
Automatic Gas Sampler: GSP-300FT-2

Detail

Catalog

Specifications
Calibration Range 50 - 1500 μg/m3
Measuring range 50 - 1500 μg/m3
Sampling (flow) Rate 100mL/min
Sampling Volume 3000mL
Sampling Time 30min
Detecting Limit 10μg/m3(3000mL)
Colour Change Yellow → Pale reddish purple
Corrections for temperature/humidity Necessary for 5 to 35 ºC
Unnecessary for R.H.20 to 80%
Shelf life 2 years
Accuracy CV=5-10%
(CV: Coefficient of variation = σ: standard deviation / mean value x 100)
Possibly coexisting substances and their interferences (NOTE)
Substance(s) Interference Colour change by itself
Ammonia   No No
Hydrogen chloride,Chlorine   No No
Nitrogen oxides   No No
p-Dichlorobenzene   + Pale reddish purple
1,2-Dichloroethylene   + Pale reddish purple
Trichloroethylene   + Pale reddish purple
Tetrachloroethylene   + Pale reddish purple
1,1,1-Trichloroethane   No No
Aromatic hydrocarbons   No No
Formaldehyde   No No
Calibration gas generation Permeation tube method
 
TLV-TWA TLV-STEL Explosive range
1 ppm (2014) -- 3.6 to 23%

 

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