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'2020 until now 
 Publications'2010-2019 
 Publications'2000-2009 
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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