Model: | 139B |
---|---|
Brand: | HZBAA |
Origin: | Made In China |
Category: | Electronics & Electricity / Electronic Instrument / Electronic Measurment Apparatus |
Label: | 39B polarity tester , 139B horn instrument , The 139B tester |
Price: |
-
|
Min. Order: | - |
Live Chat: | Last Online:30 Apr, 2014 |
That is not affected by environment noise, immediately identify any typeloudspeaker, earphone positive and negative polarity is suitable for use in the production line.
That with three different on-line (152A, 7117C, and 7116C), only one person can operate, labor saving, time saving.
The easy to learn, easy to use, high reliability.
Pulse measurement model
Polar A. positive: green LED indicator light and beep
B. negative: the red LED light buzzer does not sound
Sensor ECM condenser microphone
Five groups of switch WF: woofer
M & T: apply tweeter & Headphone
Ext.1~Ext.3: the external equipment interface