Since the zapper emits a square wave that is usually half ON and half OFF, a volt meter will indicate only about half the peak voltage. To check the peak voltage, take an oscilloscope and see what the peak voltage is. It should be at least 9.4 V
Since the zapper emits a square wave that is usually half ON and half OFF, a volt meter will indicate only about half the peak voltage. To check the peak voltage, take an oscilloscope and see what the peak voltage is. It should be at least 9.4 V