Wattmeter/Ammeter with a sound voltage alarm?

sam

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Jun 21, 2018
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I've been trying to find an all in one meter for my ebike that would give me voltage, amp draw and a user selectable voltage sound alarm for low and high voltage, but I can't seem to find such a thing...

The only meters with sound/buzzer voltage alarm that I've found just measure voltage, and the most versatile ammeter I found only have one (not two) non sound alarm (just screen flash, no sound).

Anyone knows or use such a device? Any link?
 
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