52 For your safetyVEGAPULS 69 • HART and accumulator pack47248-EN-1806272 For your safety2.1 Authorised personnelAll operations described in this documentation must be carried outonly by trained specialist personnel authorised by the plant operator.During work on and with the device the required personal protectiveequipment must always be worn.2.2 Appropriate useThe VEGAPULS 69 is a sensor for continuous level measurement.Due to the integrated accumulator the instrument is particularlysuitable as a portable measuring system or test sensor for specialapplications.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.2.3 Warning about incorrect useInappropriate or incorrect use of this product can give rise to applica-tion-specific hazards, e.g. vessel overfill through incorrect mountingor adjustment. Damage to property and persons or environmentalcontamination can result. Also, the protective characteristics of theinstrument can be impaired.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 that can cause a dangerous situationif the instrument malfunctions, the operator has to implement suitablemeasures to make sure the instrument is functioning properly.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 safetyreasons, only the accessory specified by the manufacturer must beused.