Product Name: Borehole Cameras 500m Water Well Inspection Camera, Downhole Camera Model NO.: GD-1000 Product Description 500m Underwater Colorful Camera Deep Inspection Camera With Waterproof Cable CameraPerformance And TechnicalTheinstrumentislightweight,convenientcarrying,simpleoperation,voltage220V,380Vswitch,highlyintegrated.probeobtainednationalpatenttechnology,theultrawideanglelens,underground,wall,afullrangeofstick .outamile,realizepanoramicdisplay,theresolutioncanreach0.1mm,usingLEDstronglight,highresolutionimages,themaincontrolboxcanbeconnectedwithcomputerdigitalacquisitionandstorage,cableprobeandthecontrolboxcanbeseparated,suitableforcomplicatedobjectsandenvironment.Main applicationIt can widely be used to observe the characteristic of geologic body in drill hole, wellhole, well drilling hole ,Stratum structure divide ,Well wall stratum crack ,Karst development discrimination ,Distinguish fractured development zone ,Determine the karst distribution position ,Long time underground borehole monitoring,Located things from drilling hole etc.Themaintechnicalprobediameter50-80mmobservationangledirectionaloverlookingthewideangleLEDlight4000Klensautomaticfocusing10cm-5mhorizontalresolution850lines,1/3SONYCCDTheactualoperationmethod:The1connectingcableconnectioncontrolboxandcablerack.2ofthepowerlineisinsertedintothe220Vsocket.3switchonthepower,220V,380Vswitchto220Vposition.(ifyouusethe380Vpowersupply,convertingswitchto380Vside).4pressthegreenpowerswitch,probebegantowork.5pulleysplacedwellheadwellhead,resetthecounter.6ofthecablealongthepulleytodecentralizationinitiatedworkwell.Mattersneedingattention:Tostrictlyprotectthecable,especiallytheprobetodescendto100metersbelow,thecableitselfthegreatweight,winchtakeup,thecableline,strictlycabletoavoidcablecrosstiredpressure,partialsqueezeandleadwireshortcircuit,whennecessary,artificialauxiliarywinchelectriccablepull,dragandprohibitedgroundandthehardphaseextrusiononcebrokenwillleadtowater.