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"

Hydrogen sulphide gas-analyzer

   This gas-analyzer is intended for measuring low concentrations of H2S in the air (0.005-0.2 ppm, 5·10-7-2·10-5 % vol). The device is selective to H2S. You can see device specifications in the table below.

Газоанализатор сероводорода H2S-3
Specification parameter Parameter value
Range of measurable concentrations of hydrogen sulphide, mg/m3 0.008-0.320
Measuring resolution, ppb 5
Absolute measuring error, ppb ±2
Response time τ0.9, min 5
Supply voltage, V =12 or ~220, 50 Hz
Power consumption, W 5
Dimensions, mm 210×110×80
Weight, kg 1,5
Overall lifetime of sensor assuming fulltime work Not less than 1 year, if measured concentration of hydrogen sulphide is not greater than 0,1 ppm

   Main field of application of this device is ecological monitoring (measuring of maximum permissible in living area H2S concentration).

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