Gastec 152TP 检测甲基乙基酮气体管 CH3COC2H5(20 - 300 ppm)

Calibration Range: 20 - 300 ppm
Measuring Range: 20 - 300 ppm
Sampling (flow) Rate: 100mL/min
Sampling Volume: 1000mL
Sampling Time: 10 min
Colour Change: Yellow → Red
Nr. of tests: 10 tubes
Automatic Gas Sampler: GSP-300FT-2



Calibration Range 20 - 300 ppm
Measuring range 20 - 300 ppm
Sampling (flow) Rate 100mL/min
Sampling Volume 1000mL
Sampling Time 10min
Detecting Limit 5ppm
Colour Change Yellow → Red
Corrections for temperature/humidity Temperature correction is necessary
Shelf life 2 years (in the refrigerator)
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 discoloration
Aldehydes   + Red
Ketones   + Red
Acetic acid 50ppm No Purple at 70ppm
Ethyl acetate   + No discoloration
Diethyl ether 150ppm No No discoloration
Trichloroethylene   No No discoloration
Toluene   No No discoloration
Hexane   No No discoloration
Benzene   No No discoloration
Methanol 150ppm No No discoloration
Calibration gas generation Diffusion tube method
TLV-TWA TLV-STEL Explosive range
200 ppm

300 ppm

1.7 to 11.4%


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