Ultramat 23 gas analyzer for measurement of 2 infrared Components and oxygen concentr. 19" plug-in unit for mounting in enclosures, gas connections 6mm stub, with internal sample gas pump, without seperate gas paths (2 Channels). 1st component to be measured:CO 1st component to be measured Min. measuring range: 0 to 150 vpm Max. measuring range: 0 to 750 vpm with O2-Sensor Without H2S-Sensor Power supply: AC 230 V, 50 Hz 2nd component to be measured: NO 2nd component to be measured Min. measuring range: 0 to 500 vpm Max. measuring range: 0 to 2500 vpm Operator's software and documentation in EnglishHs Code : 90271010