testo 350 XL analyzer box, equipped with O2, CO (with switch-off and rinse function), NO, NO2, differential pressure measurement, 2 temperature probe sockets, gas preparation, Testo data bus adapter, automatic fresh air rinse with valve (including measurement range extension with dilution factor 5 for all sensors), built-in rechargeable battery, data memory, can be upgraded to max. 6 gas sensors (with H2S, HC, SO2, CO2 NDIR)
