Date: Thu, 20 Oct 2011 07:43:40

Author: --- Robert DeSerio

Subject: Re: Cenco's new spectrum tubes

Post:

Bill,

I don't have too much experience yet with these spectrum tubes,
but the hydrogen tube I have went out early, came back for a
test or two and is now out again. But the water vapor tube
is still going strong, was always brighter and redder than the H tube
and produces strong Balmer lines.

Regards,
Bob

Robert DeSerio
Department of Physics
University of Florida
P.O. Box 118440
Gainesville, FL 32611-8440

Phone: 352 392-1690 (office)
352 392-0524 (fax)
Email: deserio@phys.ufl.edu
Web: http://www.phys.ufl.edu/~deserio



On 10/19/2011 5:33 PM, Bill Alexander wrote:
> Do the new H tubes seem to last longer than the old style with the
> electrodes? Particularly when students leave them on for extended time
> (despite warnings to avoid this)?
>
> Bill A.
>
> On Wed, Oct 19, 2011 at 1:53 PM, Torres-Isea, Ramon wrote:
>> Bob,
>>
>> I have also had one for a couple of years...no complaints. Great safety features. However, they only have a few gas tube types available. For example, we like to use Kripton for calibration of our spectrometer but apparently it is not available.
>>
>> Ramon
>>
>> Director, Advanced Physics Laboratories.
>> Adjunct Lecturer in Physics.
>> Department of Physics,
>> The University of Michigan,
>> Ann Arbor, MI
>>
>> -----Original Message-----
>> From: tap-l-owner@lists.ncsu.edu [mailto:tap-l-owner@lists.ncsu.edu] On Behalf Of Robert DeSerio
>> Sent: Wednesday, October 19, 2011 4:10 PM
>> To: tap-l
>> Subject: [tap-l] Cenco's new spectrum tubes
>>
>> Hi All,
>>
>> We are preparing to remake our introductory spectroscopy experiment.
>> We plan to stop using our Hg vapor lamps and replace them with
>> spectrum tubes. We are considering the electrodeless versions from Cenco seen here:
>>
>> http://www.cencophysics.com/cenco-electrodeless-spectrum-tube-power-supply/a/789/_/
>>
>> Anyone have some long-term use with them?
>> I have one now and it seems to fit the bill,
>> but I just want to make sure they last and there are no
>> big problems with them. I have to order a bunch.
>>
>> Regards and thanks in advance for your advice,
>> Bob
>>
>> --
>> Robert DeSerio
>> Department of Physics
>> University of Florida
>> P.O. Box 118440
>> Gainesville, FL 32611-8440
>>
>> Phone: 352 392-1690 (office)
>> 352 392-0524 (fax)
>> Email: deserio@phys.ufl.edu
>> Web: http://www.phys.ufl.edu/~deserio
>>
>>
>>
>>
>
>


Back