GAS DETECTOR;, TYPE: INFRARED;, COMPLEMENTARY DATA: GAS TYPE NO,NO2, SO2, O2;, MEASUREMENT RANGE NO 0-500 PPM / NO2 0-500;, POWER SUPPLY 220VAC;, APPLICATION: ANALYZER SYSTEM OF THE COKE OVEN CHIMNEY;, REFERENCE/MANUFACTURER: MC3 702.120/ECOCHEM;