Loudspeaker Polarity Tester

  • RK5991N Microphone Polarity Tester

    RK5991N Microphone Polarity Tester

    RK-5991N Microphone polarity tester Cov khoom taw qhia RK5991N micro lub xov tooj polarity tester tuaj yeem paub qhov zoo thiab tsis zoo polarity ntawm txhua yam, qhov loj me, cov khoom siv, qhov cuam tshuam ntawm lub suab nrov nrov pob ntseg, hloov coil txais tau thiab nrawm.Qhov ntsuas muaj qhov zoo ntawm kev ua haujlwm yooj yim, tsis muaj qhov yuam kev , tsis siv neeg LED lossis lub tswb ntsuas, qhov ntsuas tau yoog cov hom mem tes tsis siv neeg thiab mensuration ceev, thiab kuaj lub suab qhov ntsuas ntawm tus hais lus hauv kab sib dhos. Cov yam ntxwv ...
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