RK5991N Microphone Polarity Tester

Measuring Pulse Width:0.4ms




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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  • Model RK5991N
    Measuring pulse width 0.4ms
    Measuring pulse amplitude ≥10Vp-p
    Application Pulse amplitude in H,it is suitable for general speaker
    Pulse amplitude in M,it is suitable for dome speaker
    Pulse amplitude in L,it is suitable for MYLAY  The speaker and the Moving coil receiver.
    Sensor microphone Condenser microphone
    The voice alarm It can switch “+”, “-”  buzzer alarm
    Sensitivity of test High-grade≥25cm,Middle and low-grade≤25cm
    Test speed About 0.2 s
    Power consumption ≤10VA
    Power Requirments 220V±10%,50Hz±5%
    Work environment 0℃~40℃,≤85%   RH
    Exterior dimension 255×145×220mm
    Weight 2kg
    Accessory Microphone (voice tube),test line
    Model Picture Type


    standard  Remote terminal


    standard  Microphone


    standard  Power cord


    warranty card 20150624154012341234 standard

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