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General tester that consists of a CCFL test bench and a main unit containing a power supply section and a measurement section.
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The power supply section of the main unit outputs 0 to 6000Vrms*1 and 20mArms.
The measurement section measures output voltage (Vo), lamp voltage (V ), and lamp current (I) with a measurement accuracy of ±3%.
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Equipped with a CV (constant voltage) mode and a CC (constant current) mode for driving CCFLs.
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Equipped with a Vds mode that measures the lighting start voltage and discharge time log.
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The CCFL test bench is designed taking high voltage and high frequency into consideration, so that the electrical influence on CCFLs will be minimized.
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The CCFL test bench being apart from the main unit allows CCFL characteristic tests to be performed in a constant-temperature bath at -25ºC*2 to +105ºC.
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We can make the CCFL test bench to accept both straight and bent lamps.
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Equipped with an external inverter input terminal, Vo, V, and I can also be measured by actually driving an inverter to light CCFLs.
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*1 : 3000Vrms to 6000Vrms, depending on the model.
*2 : A test bench that can withstand a temperature of -30ºC can be also made. |
