Gastec 9P 气体检测管 NO2(0.02 - 0.20 ppm)

Calibration Range: 0.02 - 0.20 ppm
Measuring Range: 0.02 - 0.20 ppm
Sampling (flow) Rate: 100mL/min
Sampling Volume: 3000mL
Sampling Time: 30 min
Colour Change: White → Orange brown 
Nr. of tests: 10
Automatic Gas Sampler: GSP-300FT-2

Detail

Catalog

Specifications
Calibration Range 0.02 - 0.20 ppm
Measuring range 0.02 - 0.20 ppm
Sampling (flow) Rate 100mL/min
Sampling Volume 3000mL
Sampling Time 30min
Detecting Limit 0.004 ppm
Colour Change White → Orange brown
Corrections for temperature/humidity Necessary for 0 to 40ºC
Unnecessary for R.H.0 to 90%
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
Carbon monoxide   No No
Nitric oxide   No No
Chlorine  0.10ppm No Reddish brown from 0.08ppm
Ozone 0.04ppm No Pale yellow from 0.1ppm
Carbon dioxide   No No
Acetone   No No
p-Dichlorobenzene   No No
n-decan   No No
Aromatic hydrocarbons   No No
Formaldehyde   No No
Calibration gas generation Permeation tube method
 
TLV-TWA TLV-STEL Explosive range
0.2 ppm(2014) - --

 

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