10 N°: 999341_EN_DVR 2pro/12.07.2017Safety instructions2 Safety instructionsThe complete information of this chapter must be observed by allpersons working with the herein described product. The safetyinstructions are valid for the complete life cycle of the product.2.1 UsageUse the product only when it is in proper working condition.2.1.1 Intended useA vacuum gauge DVR 2pro is a laboratory instrument for themeasurement of absolute pressure in the range of rough vacuumand intended for connection to a vacuum apparatus. The gaugemay only be installed and used in non‑explosive areas. The gaugeis intended for continuous operation.Any other use is considered to be improper use.Intended use also includes the following: observing safety information of document Safety Information forVacuum Equipment. observing the safety information inside this manual2.1.2 Improper useIncorrect use or any application which does not correspond to thetechnical data may result in injury or damage to the property.Improper use includes: Using the product contrary to its intended use. Operation with obvious malfunctions.Intended useImproper use