FSUE “SPA “Analitpribor” is one of the leaders of gas-analysis instrument engineering in the Russian Federation. Production of gas-analysis equipment is from 1960.

Electrochemical gas analyzers ДАХ-М

 
 

Gas analyzers ДАХ-М are designed for protection of personnel and chemical, petrochemical and oil-processing plants, other branches of industry, in working area of buildings and outdoor processing stations where forming of dangerous concentrations of toxic gases and/or excess/lack of oxygen is possible.

 

  Gas analyzer ДАХ-М is used as a part of system СКАПО and with power supply and alarm units БПС-21М and carries out continuous automatic monitoring of mass concentration of one of hazardous substances (CO, H2S, SO2, HCl, Cl2, NO2, NH3), mass concentration of odorant (RSH) in the air of working area, and also oxygen volume fraction (О2) in the air of working area or in process media, that contain hydrocarbons (special version ДАХ-М-ХХ-О2-10).

 

   Principle of operation – electrochemical.

 

   Gas analyzers are manufactured in the following versions:

- ДАХ-М-01 – digital indication; Uпит=10-24 V; explosion protection type – intrinsically safe electric circuit; output signal – current, common minus; for use with БПС-21М (marking В – explosion-proof);

- ДАХ-М-03 – without digital indication; Uпит=10-16 V; explosion protection type – intrinsically safe electric circuit; output signal – current, common minus; for use with БПС-21М (marking В – explosion-proof);

- ДАХ-М-04 – without digital indication; Uпит=10-16 V; explosion protection type – intrinsically safe electric circuit; output signal – current, common plus; for use with БПС-21 (marking В – explosion-proof). It is produced for purposes of repair and operational needs;

- ДАХ-М-05 – digital indication; Uпит=10-32 V; explosion protection type – explosion-proof enclosure; output signal – current, galvanically isolated; for use with БПС-21М (without marking В – non-explosion proof);

- ДАХ-М-06 – digital indication; Uпит=10-32 В; explosion protection type – explosion-proof enclosure; output signal – RS485, protocol Modbus-RTU; for use with БПС-21М (without marking В – non-explosion proof).

 

      All versions of gas analyzers ДАХ-М can also operate with other power supply and alarm units and data acquisition controllers that provide parameters of power supply and intrinsically safe electric circuits.

 

 Features:

- service life of thermochemical sensor – 3 years if there are no catalyst poisons and deleterious substances in monitored atmosphere;

 - explosion protection marking 1ExibdIICT6X (1Exd[ib]IICT6) for versions ДАХ-М-01, -03, -04 (ДАХ-М-05 and -06);

- operating temperatures range  – from - 40 to + 50 оС (- 20 to + 50 оС  for versions ДАХ-М-ХХ-О2-30 and О2-10);

- protection from access to dangerous parts, against solid objects and water ingress - IP54 (IP65) for  versions ДАХ-М-01, -03, -04 (ДАХ-М-05 and -06);

- calibration interval – 6 months;

- verification interval – 1 year;

- warranty period – 24 months for gas analyzer ДАХ-М, 12 months for electrochemical sensor. It is calculated from the date of gas analyzer ДАХ-М shipment to the customer.

Technical characteristics
Certificates

   

 

 

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Electrochemical gas analyzers ДАХ-М

 

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