testo-745-用户操作说明书手册

testo 745.Non-contact voltage testerOperating the instrumenttestoSwilching the instrument onInstruction manual fen]>Briely press the On/Off key09707450deam01After switching it on.the test range 50 V-1000 Vis setBriefly press the On/Off key to change the sensitivity range.Within the 12-50 V range,voltages between 50 V and 1000 V are abo displayed.If a voltageOverviewin excess of50Vis near a votage between 12 V and 50 V.,the higher voltage might be dis.Instrument2Test tips for volage testingdy:singewithin the5Votage indicator (LED red)within the range 12-50V.On/Off key.change绝sifvityMeasuring pointiluminafonMeasuring pointillumination key5 Battery compartmentcapThe illumination emains on as long as the key is pressed.6 HandeSwitching the instrument off7 Measuring pointilluminationPess and hol down the Onv/Off key.(LED white)Automatic switch-oft:if no button is peessed for apprax.3 minutes,the instrument switches offExplanation of iconsCarrying out a testCaution!Waming about adanger soot refe如struc（€amtaPeparing the voltage testcompliance with the vaidProrto every test,please ensure tat te instrumentis in pertectcondtomtion manuaBU Direcfves:EMC Directive.For ecamole,keeo aneve out for aboken housng or leakng batteres.ACaution!Dangerous voltage.(2014/30/BU)with the stand-risk of electric shockad EN 61328-1.Low-VoltageDirective (2014/35/EU)withthe standard EN 61010-1If the safe ty of the user cannot be guaranteed switch off the instrument and seoure it toe地t山nmet0gageConfnuous double orThe instrument compies withreinforced insulafion inthe WEEE Direc fve (2012/19/Camying out a voltage testaccodance with Category ll8U)When camying out the test,please note:DIN EN 61140The signal during the votage test does not provide any informafion about the type or levelof the voltage being applied.Observe prior to use!digita fitedue to high-fequencyThe instrucfon manual contains information and instruc fons which are necessary foroperafing and using the instrument safely.Before using the instrument,ead the instructionings may oocur in the vicinity of such souroesmanual carefuly and comply with all aspects of it Keep this dooument tohand so that youMove the instrument sloly along the test object,for exampe a cable.can refer to it when necessary.Forward this dooumentation to any subsequent users of theWhen the instrument detects an AC voltage in the range 12-50V.the red LED fashes andinstnmnent的e barrter emits3asL4444ACjury to he user and图e theings and instruc fions,thee ise in the range 50 V-1000V,the red LED is perthe ily on and theSafety instructionsService and maintenanceThe instrument may only be used by trained personnel Duringall operations.peaseChanging the batteryobserve the Employers'Liabiity Insurance Association povisions for health and safety atWhewith no audio signal,the battefes need to be changed0k.9an 120 V60 V)DC or 50 V25 V)rns.AC.These valuesOpen the battery compartment:undo the screw and emove the battery compatmentcap.Remove the spent batteries.