Professional China 20w Audio Speaker Tester 60w - RK5991N Microphone Polarity Tester – Meiruike

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Professional China 20w Audio Speaker Tester 60w - RK5991N Microphone Polarity Tester – Meiruike Detail:

RK-5991N Microphone polarity tester

Product introduction

RK5991N microphone polarity tester can distinguish positive and negative polarity of any type,size,material,impedance of loudspeaker headset,the moving coil receiver automatically and rapidly.The instrument has the advantages of simple operation,no error,automatic LED or alarm indication,the instrument adopts the pulse type automatic and rapid mensuration,and detect the tone index of the speaker in assembly line.

Performance characteristics

Three kinds of pulse amplitude test,polar test is fast and accurate.
Polarity sound,light index,it can choose the positive,negative polarity of alarm
It can connect the external test tone signal,it take the pure tone detection while take the polarity test synchronously.

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20w Audio Speaker Tester 60w