Low power consumption hydrogen sensor
 Resistive sensor of explosive concentrations of hydrogen
 Hydrogen gas analyzers                             
 Hydrogen sulphide gas-analyzer                      
 Nitrogen dioxide gas-analyzer                    
 Ammonia gas analizer                              
 Sensor based explosives detector                      
 Portative hydrogen leak detector                      
 Portative hydrogen gas-analyzer VG-2                       
 Portative hydrogen gas-analyzer VG-5                      
 Publications 2003 
 Publications 2004 
 Publications 2005 
 Publications 2006 
 Publications 2007 
 Publications 2008 
 Publications 2009 
 Publications 2010 
 Publications 2011 
 Publications 2012 
National Research Nuclear University MEPhI

Solid state and nanosystems physics department
Laboratory "Development and making of sensors based on MIS-structures"

Nitrogen dioxide gas analyser GOA-2

   The gas analyser is suited for measuring of small concentrations of NO2 in air (0.01-10 ppm, i. e. 10-6-10-3 vol. %).

Nitrogen dioxide gas analyser GOA-2
Parameters Parameter values
Nitrogen dioxide measurement range, vol. % (ppm) 10-6-10-3 (0.01-10)
Resolution, ppm 0.03
Absolute measurement error, mV (ppm) ±20 (± 0,01)
Response time, τ0.9, min, not greater than 10
Recovering time, τ0.1, min, not greater than 20
Supply voltage, V =12 or ~220, 50 Hz
Dimensions, mm 180×100×20
Weight, kg 1
Sensor lifetime, years 5
Device selectivity not sensitive on MPC level to SO2, CO, CH4, alcoholes

   Main applications: ecological monitoring, i.e. measuring of MPC levels (living zone) of NO2 concentrations.

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