Development and manufacturing of non-destructive testing equipment and systemHardness tester NOVOTEST T-UD3 5112.8. Special operation conditions12.8.1. Increased dust content and humidity. Put the informationprocessing unit of hardness tester into a transparent plastic bag.Tighten it at the level of connective cable a bit lower than the probeplug.After the work under such conditions is finished, informationprocessing unit shall taken out of the plastic bag and air it.12.8.2. Frost (<0°C). Information processing unit is the mostsensitive to low temperature part of hardness testers, especiallyLCD. If there is a possibility, keep hardness tester closer to yourbody and protect id with your coat or keep in the inside pocket,taking it out time from time for inputting the data into the archive.13. Precautions and trouble shouting13.1. Treat the hardness tester with care. Any wrong treatment mayresult in the violation of the present Technical Reference andOperation Manual regulations and, thus, lead to the manufacturerhardness tester warranty cessation.13.2. Always check the integrity of the cables, Informationprocessing unit and probes. Provide immediate replacement of thedamaged parts by the original ones. This job shall be performed byskilled personnel.13.3. Do not expose the hardness tester to aggressive chemicalmedium.13.4. Do not leave the hardness tester in the direct Sun.13.5. Do not sink the hardness tester into any liquids. If thehardness tester gets wet, take the battery out and leave for 24 hoursto get dry. If the hardness tester is used under the increasedhumidity or dust conditions, place the information processing unitinto the plastic bag. After work period is over, it is mandatory to getthe hardness tester dry.