GAS ANALYZER; TYPE OF GAS: O2 / CO / CO2; RANGE: O2 (0.1 TO 20.9% VOL.) / CO (0 TO 4000 PPM) / CO2 (CALCULATING OF THE 0 FUEL MAXIMO DEPENDENT); ACCURACY: +/- 0.3% DE (O2) / +/- 5% READING OR 10 PPM IN RANGE 0 TO 2000 PPM AND +10% READING IN STRIP 2001 4000 PPM OF (CO); POWER SUPPLY: 4 ALKALINE AA; TEMPERATURE: 0 A 40 CENTIGRADE; MEASUREMENT METHOD: ELECTROCHEMICAL CELL; COMPLETE WITH: PROBE/ PRINTER/SOFTWARE / USB / CABLE ELEMENT FOR REPLACEMENT FILTER / 4 AA BATTERIES/ SUITCASE TRANSPORTATION