From: David Oliver (david.oliver@xtra.co.nz)
Date: 10/19/02-06:12:54 AM Z
I see no reason why they wouldn't work. As I understand it, the main reason
they are not used so often is that the ballasts are a lot more expensive
than the standard units.
Regards
David
> -----Original Message-----
> From: Gordon J. Holtslander [mailto:holtsg@duke.usask.ca]
> Sent: Saturday, 19 October 2002 8:21 a.m.
> To: alt-photo-process-l@usask.ca
> Subject: vho bl tubes
>
>
> Hi:
>
> I'm planning on building a better UV exposure unit. I looked at
> sylvania's web site and found that they manufacture a VHO BL tube
> an FR48BT12/350BL/VHO/180 a four foot tube.
>
> VHO stands for Very High Output - this usually means a much higher output
> that a standard fourescent tube.
>
> They are a 115 Watt tubes, the standard F40/35 BL tubes are 40 watt.
>
> These have the same spectrum as the Sylvania's F40/350BL.
>
> I'm awaiting prices - they are a special order, as are the
> fixtures/ballasts -the tubes have a different base - a recessed double
> contact.
>
> Has anyone used these? I don't see why they would not work somewhat
> better than a standard F40 BL - can anyone give me a reason why they would
> not work?
>
> The URL's at Sylvania for BL tubes are
>
> http://daeitswp2.mysylvania.com/scripts/wgate/zb2cpcat1ec1733b/~fl
N0YXRlPTM3ODYyNTQ4NTc=?~template=pcat_product_details_document&r3_matnr=0000
00000000025251&object_id=25251&area=ZGLPRODFLULINBLRS&page=1&price=No+price%
21
and
http://daeitswp2.mysylvania.com/scripts/wgate/zb2cpcat1ec1733b/~flN0YXRlPTM3
ODYyNTQ4NTc=?~template=pcat_product_details_document&r3_matnr=00000000000002
4922&object_id=24922&area=ZGLPRODFLULINBLRS&page=1&price=No+price%21
(Sorry for the long URLs)
Gord
---------------------------------------------------------
Gordon J. Holtslander Dept. of Biology
holtsg@duke.usask.ca 112 Science Place
http://duke.usask.ca/~holtsg University of Saskatchewan
Tel (306) 966-4433 Saskatoon, Saskatchewan
Fax (306) 966-4461 Canada S7N 5E2
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