| Mã sản phẩm: |
OPC-288 |
| Sử dụng cho Model: |
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| Hãng SX: |
Onsoku
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| Xuất xứ |
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| Bảo hành |
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| Tình trạng |
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Tình trạng:
Còn hàng
This unit checks the polarity of loudspeaker units and makes judgment.
The result of a check is shown with a +/- LED indicator within approximately 0.2 seconds.
When the buzzer switch is set to on, a buzzer sounds if a reversed polarity is detected.
An external signal can be inputted when the selector switch is set so.