SIEMENS » 7MB1943-5AA23
10-L BOTTLE WITH 3 TEST GAS COMPONENTS IN N2, CO MORE THAN 10 VPM CO2 LESS THAN 17% H2 (VOL.%) CALIBRATION GAS CONCENTRATION 1 SPECIFY IN PLAIN TEXT ___VPM CALIBRATION GAS CONCENTRATION 2 SPECIFY IN PLAIN TEXT ___% CALIBRATION GAS CONCENTRATION 3 SPECIFY IN PLAIN TEXT ___% ,