VersionRelease dateFile sizeDownload Gas detector GS-133 MAN 1.3.3 1.3.303/24/2018 - 13:21330.55 KB First public release Subscribe forsoftware releases Name E-mail * Company Operating system Progr. language CAPTCHAThis question is for testing whether or not you are a human visitor and to prevent automated spam submissions. HWG newsletter Subscribe to HW group newsletter