The Thunderbird Fence Flasher flashes a bright light to show that your fence is working properly.The unit emits a flash, the frequency of which is dependant on the size of the energiser and the condition of the fence.This can vary from every 2nd pulse on a large energiser to every 8th pulse ..
A simple tester to help measure voltage along your electric fence: wherever you have a short or bad connection in the fence, you will experience a drop in voltage which will reduce the effectiveness of the fence.4 light levels to indicate the condition of the fence at the particular test point
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