Question about Chauvet Mini Strobe
It is important to understand how strobes work. A capacitor is charged to around 300 volts through a high value resistor. When the bulb is triggered, the capacitor charge drives the lamp with a high burst of current as the lamp breaks down with plasma. The lamp is USUALLY triggered by a very fine wire around it or one end that recieves a several thousand volt pulse from a trigger transformer that creates a field near the electrodes within the flash lamp. This field starts the gas in the tube breaking down which causes the plasma to form.
Typically you should see the voltage across the lamp build up to around 300 volts DC. You would need special instruments to see and measure the high voltage pulse that triggers the flash.
The usal cause of failure is degradation of the flash tube due to sputtering of the electrodes at one end. If you see a blackening near one end of the flash tube, time to replace the flash tube. DO NOT handle the glass of the flash tubes as skin oils can degrade them. If the bulb shows no blackening, possibly the triggering is not working. NO current flows through the flash tube until triggered, however there would be a small current charging the capacitor that is in parallel with the tube to build it to around 300 Volts DC.
Posted on Nov 06, 2010
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Posted on Jan 02, 2017
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