52 For your safetyVEGACAP 27 • Relay (DPDT)33758-EN-1705032 For your safety2.1 Authorised personnelAll operations described in this operating instructions manual mustbe carried out only by trained specialist personnel authorised by theplant operator.During work on and with the device the required personal protectiveequipment must always be worn.2.2 Appropriate useThe VEGACAP 27 is a sensor for point level detection.You can find detailed information about the area of application inchapter "Product description".Operational reliability is ensured only if the instrument is properlyused according to the specifications in the operating instructionsmanual as well as possible supplementary instructions.For safety and warranty reasons, any invasive work on the devicebeyond that described in the operating instructions manual may becarried out only by personnel authorised by the manufacturer. Arbi-trary conversions or modifications are explicitly forbidden.2.3 Warning about incorrect useInappropriate or incorrect use of the instrument can give rise toapplication-specific hazards, e.g. vessel overfill or damage to systemcomponents through incorrect mounting or adjustment. Thus dam-age to property, to persons or environmental contamination can becaused. Also the protective characteristics of the instrument can beinfluenced.2.4 General safety instructionsThis is a state-of-the-art instrument complying with all prevailingregulations and directives. The instrument must only be operated in atechnically flawless and reliable condition. The operator is responsi-ble for the trouble-free operation of the instrument. When measuringaggressive or corrosive media where a malfunction of the instrumentcan cause a danger, the operator has to convince himself on the cor-rect function of the instrument by taking suitable measures.During the entire duration of use, the user is obliged to determine thecompliance of the necessary occupational safety measures with thecurrent valid rules and regulations and also take note of new regula-tions.The safety instructions in this operating instructions manual, the na-tional installation standards as well as the valid safety regulations andaccident prevention rules must be observed by the user.For safety and warranty reasons, any invasive work on the devicebeyond that described in the operating instructions manual may becarried out only by personnel authorised by the manufacturer. Arbi-trary conversions or modifications are explicitly forbidden. For safety