Halogen lamp testing

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  #1  
Old 06-24-04, 11:10 AM
subwoo
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Question Halogen lamp testing

I have a halogen floodlamp fixture that i keep putting bulbs into every day. The bulbs seem to blow every hour. I have checked the wiring (this is a simple 120v. line voltage fixture, mounted outside) and was wondering what could be blowing these bulbs. The only idea i had was the bulbs that i am using are ge 75 watt par38 and i bought them in a big case of about 25 or so at a local lighting store. Maybe i got a bad batch of bulbs? I test the lamp resistance and my Fluke scopemeter or true RMS multimeter all say infinite ohms. What is wrong????
 
  #2  
Old 06-24-04, 11:34 AM
J
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Wow, this is odd.

Are you careful not to ever touch the bulb with your bare skin (a must for halogen bulbs)?

Is the fixture subject to vibration?

I suppose you could have a bad batch. Buy one more individual bulb at a different store to test that theory.
 
 

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