Removal of common faults of ultraviolet-visible spectrophotometer

Light source part: (1) Failure: The tungsten lamp does not turn on; Cause: The filament of the tungsten lamp burns out (the highest probability for this reason); Check: There is working voltage at both ends of the tungsten lamp, but the lamp does not turn on; Remove the multimeter resistor for tungsten lamp File detection. Disposal: Replace the new tungsten lamp; (2) Failure: The tungsten lamp does not turn on; Cause: There is no lighting voltage; Check: The fuse is blown; Disposal: Replace the fuse, (if you blow again after the replacement, check the power supply circuit);

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