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Sylvania Super Blue T17 VHO

Diazo printing tube.

IMG_3924.JPG IMG_3920.JPG Sylvania_Blue_T17_VHO.JPG 40w_Rosetta.JPG 40w_Grolux.JPG
File information
Filename:Sylvania_Blue_T17_VHO.JPG
Album name:Paul / T12 & Over
Manufacturer:Sylvania
Model:F45T17/SDB/VHO
Power Consumption:165-180w
Working Voltage:Ballast dependant
Overall Width / Diameter:T17 a big fat 54mm!
Overall Length:54 inches
Cap Type:G20 mogul bi-pin
Light Colour Temp:Actinic UV blue 03
Lumen Output:N/A
Circuit Type:Switchstart
Comments:At last, we have a T17! Lovely deep blue colour. Ex machine tube rated at around 165-180w. Shown here lit on a 150w SON ballast. Cheers Gav!
Country Of Origin:USA
Filesize:416 KiB
Date added:Apr 13, 2019
Dimensions:1600 x 1200 pixels
Displayed:21 times
URL:https://www.allthingslighting.co.uk/atl/displayimage.php?pid=23611
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Comment 1 to 7 of 7
Page: 1

Sparkygav   [Apr 13, 2019 at 06:09 PM]
Nice to see one lit
Dez   [Apr 14, 2019 at 08:34 AM]
very cool! very cool to see one lit as well, I had theorised for some other people who have the same lamp that asked me what gear to run it on, that a 150W SON choke would work well Smile did you break out the multimeter and measure the current and lamp voltage? im guessing you used a Philips sun tanning starter to start the lamp? Smile
Tom   [Apr 14, 2019 at 01:21 PM]
No just a regular 155/800, we don't have any sun bed starters that'd be better suited as the current is a tad high! I'm wondering if two could run in series on a 400w choke? Not that we have a second lamp to try! Wink
Paul   [Apr 14, 2019 at 02:17 PM]
You did put an ammeter and voltmeter in the circuit didn't you Tom... I can't remember the readings but we thought it was a bit over but it turned out to be spot on !
Tom   [Apr 14, 2019 at 03:11 PM]
Yes from memory we had around 75v going into the tube at around 2a
Dez   [Apr 14, 2019 at 09:23 PM]
interesting results Smile 2A is a bit high, however 75V is quite a low arc voltage was the lamp cold or hot when those measurements where taken? and was a it a true RMS Multimeter?, lamp specs are supposed to be 130V 1.5A IIRC, this reminds of the 200W SLI/H situation, (which is funny, because one of these VHO tubes has similar specs to a 200W SLI/H lamp) I have plans to run up my Westinghouse 110W 4ft SHO lamps soon, and now that I have a decent multimeter it will be interesting to see what figures i get!


considering these Diazo blue tubes where used in the UK on a limited basis, it would be very interesting to see what gear they did use here in 50Hz land (in the US they would of run off a normal VHO Rapid start ballast)
Andy   [Apr 16, 2019 at 07:08 PM]
A lovely tube. Such a nice treat to own in the UK.

Comment 1 to 7 of 7
Page: 1

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