First, the purpose of preventive maintenance • Reduce instrument failure caused by preventable problems • Reduce instrument downtime and maintenance costs • Create customer value Second, the instrument common faults • Electrostatic damage • Power quality • Misuse •envirnmental factor • Component aging • Other Third, the content of preventive maintenance 1. Environmental confirmation • Static electricity protection, power quality, grounding, temperature and humidity. • Environmental pollution, instrument placement layout (optional) • Provide suggestions for improving rectification advice • Provide report files 2, maintenance • Board cleaning • Test cable port cleaning • Adapter cleaning • Interface protection • Clean appearance • Electrical safety test 3, performance test • Oscilloscope self-test • Channel compensation test • Signal voltage accuracy test • Oscilloscope bandwidth test • Trigger sensitivity test 4. Operational training • Instrument use precautions •Common troubleshooting • Measurement training Pet Leash And Collarand Harness Pet Leash And Collarand Harness,Pet Leash,Collarand Harness,Pet Leash Collarand Harness Dongguan Mace Industry Co., Ltd , https://www.maceindustrypetproduct.com