Halogen lights keep blowing
- Thread starter fmscw
- Start date
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End of use life, and like lemmings they are all dieing at once ?
Stick with high brand replacements and if you really must, make a note of the date and measure use levels.
Some cheaper brands don't like dimmers very much.
Stick with high brand replacements and if you really must, make a note of the date and measure use levels.
Some cheaper brands don't like dimmers very much.
It's in their nature - they can't help it and are powerless to change.
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Where did you buy your new lamps from?
What brand were they, and how much did they cost?
What brand were they, and how much did they cost?
Osram, Phillips
Handling needs to be done with care. Rumour is that finger grease causes hot spots on the lens which makes them blow faster.
It's why some new fittings come with little sucker cups to hold the lamps rather than using your hands / fingers.
It's why some new fittings come with little sucker cups to hold the lamps rather than using your hands / fingers.
A rumour with no basis in fact. The sealed envelope of the typical GU10/MR16 lamp is
a) not quartz, and therefore not at risk of damage from skin oils
b) completely protecting the actual quartz envelope which would be at risk.
The little rubber suckers are so that lamps can be got in and out of close-fitting luminaires.
a) not quartz, and therefore not at risk of damage from skin oils
b) completely protecting the actual quartz envelope which would be at risk.
The little rubber suckers are so that lamps can be got in and out of close-fitting luminaires.
When the lamp is fitted in a well designed holder the outer envelope of dual envelope lamp does not reach the same high temperature as the inner envelope. But it does get hot and therefore there is still a significant risk of the outer envelope's deterioration being triggered by grease or other contaminates on its surface.
But maybe life times are shorter than we are lead to believe
http://optical-components.globalspe...ptical_components/light_sources/halogen_lamps
provides data about expected life time for halogen lamps.
But maybe life times are shorter than we are lead to believe
http://optical-components.globalspe...ptical_components/light_sources/halogen_lamps
provides data about expected life time for halogen lamps.
That's rubbish. We are talking about lamps for domestic applications, not automotive.
All you have to do is to look at a major manufacturer's specifications and you'll find that for the most part TH lamps have a life of 2000 hours or more whatever the power.
Click for Osram
All you have to do is to look at a major manufacturer's specifications and you'll find that for the most part TH lamps have a life of 2000 hours or more whatever the power.
Click for Osram
so, assuming that I am using good quality, branded bulbs and handling them properly, can anyone think of a reason why they might have suddenly started blowing in the last few weeks after they have worked for over a year without hitch? many thanks Simon
Inferior technology,they run at a very high temperature, and in a static location get no cooling.
Incandescent lamps far superior, but the EU has decided to take them off us, what happened to freedom of choice?
Incandescent lamps far superior, but the EU has decided to take them off us, what happened to freedom of choice?
The outer envelope is glass, not quartz.
Where, all these years, has been the advice not to touch the envelopes of GLS lamps?
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