[alt-photo] Re: Nuarc 26-1K with metal halide bulb

[david drake]

Thanks Ken.
Yes, I just received an email from the company I bought the bulb; the  
two small bearings are mercury "which basically vaporize when the  
power is supplied".
I'm going to have to take it back and have this company  test the lamp  
to see if it ignites.

thanks
david


On 5-Apr-10, at 11:41 AM, Ken Sinclair wrote:

> David,
>
> That 'little ball bearing' is, I believe, a sphere of mercury.
>
>
> Ken
>
>
> On 5-Apr-10, at 8:37 AM, david drake wrote:
>
>> Hello everyone,
>>
>> I've recently purchased a Nuarc 26-1K.  I also got a Ushio metal  
>> halide bulb to replace the bulb which came with it (as the original  
>> was quite dark).
>> The new bulb does not work. The old one does work, so everything  
>> seems to be working fine with the unit.
>> It seems that  the new bulb is defective or am I missing something?
>> I'm not sure if the old bulb is a metal halide; it has PA-GA 1000/1  
>> printed on it.
>> The new Ushio bulb has a very small ball bearing rolling around  
>> inside. Is this supposed to be there?
>>
>> thanks for you help.
>>
>> david
>>
>>
>> david drake photography
>> www.daviddrakephotography.com
>>
>>
>>
>>
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david drake photography
www.daviddrakephotography.com