Nivus NFP Instruction Manual

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Contents

Nivus NFP Instruction Manual Manual pdf 77 page image

Maintenance and CleaningNFP - rev. 04 / 23.05.2018 page 77Maintenance and CleaningWARNING Disconnect instrument from mainsDisconnect the instrument from mains power and safeguard the higher system againstrestart before you begin maintenance works.Disregarding may lead to electric shocks.WARNING Contamination by hazardous germsDue to being frequently used in wastewater applications, some portions of the measure-ment system may be loaded with hazardous germs. This is why precautionary measuresshall be taken while being in contact with the system, cables and sensors.Wear protective clothing.32 Maintenance32.1 Maintenance intervalThe transmitters are conceived to be virtually free of calibration, maintenance and wear (re-quirements of the Industrial Safety Regulations are unaffected).NIVUS recommends having the entire measurement system inspected by the NIVUS cus-tomer service once per year.Depending on the area of use the maintenance intervals however may vary.Extent and intervals of maintenance depend on the following conditions:• Material wear• Fluid and channel hydraulics• General regulations for the operators of the measurement facility• Ambient conditionsNIVUS recommends having the measurement system completely be inspected by the manu-facturer after latest ten years.Generally the verification of instruments and sensors is a basic measure in order to improveoperational reliability and to increase the lifetime.32.2 Customer Service InformationFor the recommended annual inspection of the entire measurement system and/or the exten-sive inspection after latest ten years contact our customer service:NIVUS GmbH - Customer ServicePhone +49 (0) 7262 9191 - 922Kundencenter@nivus.com