It is a portable, professional multi-gas measuring device that can simultaneously measure 6 of the gases listed below. In addition to standard industrial gases (EX-O2-CO-H2S), sensors are available for measuring exotic gases such as SO2, CL2, HCN, NO2, PH3, NH3, and CO2. IR (infrared) sensors are also available for measuring hydrocarbons in oxygen-free environments. The average battery life is 18 hours. It is available in versions with and without an integrated (built-in) pump. A standard internal personal inactivity alarm is available to rescue the user in the event of inactivity (fainting, poisoning, etc.). It features audible, visual, and vibration alarms. Information such as the date, time, last calibration time, and next calibration time is displayed on the screen. The display and menu language is Turkish. It has data logging capability as standard. It has 200 hours of data recording and a 1000-event memory. All data can be accessed on a computer using Msa Link Ready software.