Q.seriesGantner Instruments GmbH 132 Labels and warning information2 Labels and warning infor-mation2.1 Warning informationTo prevent personal injury and damage to property it is essentialthat you follow the warning and safety information given in thisoperating manual.Indicates a directly threatening hazard. If it is not pre-vented, the consequence will be fatal or serious injuries.Indicates a possibly hazardous situation. If it is not prevented, theconsequence may be fatal or serious injuries.Indicates a possibly hazardous situation. If it is not prevented, theconsequence may be injuries of slight or medium severity.Indicates a situation in which the consequence may be propertydamage if the information is not followed.2.2 Labels on the modulesSymbol:Meaning: This symbol is the CE marking. This shows that weguarantee that our product meets the requirements of the rele-vant EC directives.Symbol: CAT I, CAT II, CAT IIIMeaning: Modules with this symbol are intended for the connec-tion of high voltage. The maximum admissible voltage is alsogiven.Symbol:Meaning: High voltage may be present on the module connec-tions. Connection may only be made with the insulated connect-ing plugs provided.