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US Sylvania 400w Tubular Mercury Lamp

US Sylvania 400w Tubular Mercury Lamp

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Here you see a American OSRAM/Sylvania H33AR-400 400 watt Mercury Vapour Lamp with Clear T16 Tubular Bulb and E39 or Mogul Cap. This Lamp was popular in the 1960's/70's for replacing the Obsolete Glass Arc Mercury Lamps, but by the late 1970's these too became discontinued in Europe for Metal Halide Lamps this lamp was made by OSRAM/Sylvania Inc. until the early 2000's

Sylvania-H33AR-400-Mercury-Lamp.jpg EIKO-H33CD-400-400w-Mercury-Lamps-1.jpg EIKO-H33CD-400-400w-Mercury-Lamps-2.jpg Bellight-400w-HPM-MBF-U-Mercury-Lamp.jpg

Light Information

Light Information

Manufacturer:OSRAM/Sylvania Inc.
Model Reference:H33AR-400
Lamp
Lamp Type:Mercury Vapour Lamp
Filament/Radiator Type:Quartz Arc Tube
Base:E39 or Mogul
Shape/Finish:Tubular Clear
Service Life:24000 Hours
Fixture
Fixture Type:Industrial, Commercal, Security, Area, Flood & Street Lights
Ballast Type:for US H33 400w Mercury Ballasts
Location:Personal Collection
Electrical
Wattage:400 watts
Voltage:130 volts
Current:3.25 amps
Optical
Lumen Output:20500 Lumens
Color Temperature:6500 deg K
Color Rendering Index:CRI-20
Physical/Production
Dimensions:285mm x 52mm
Factory Location:Manchester, New Hampshire, USA
Fabrication Date:b848 = April 1998
Application/Use:Indoor/Outdoor Lighting

File information

File information

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Filename:Sylvania-H33AR-400-Mercury-Lamp.jpg
Album name:sailormoon_01_uk / Mercury Vapour Lamps
Keywords:Lamps
File Size:393 KB
Date added:Jun 14, 2018
Dimensions:1088 x 1450 pixels
Displayed:91 times
Date Time:2018:06:14 14:07:19
DateTime Original:2013:01:30 16:16:55
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Exposure Time:1/58 sec
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Focal length:5 mm
ISO:200
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Comments
rjluna2
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Robert


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Jun 14, 2018 at 10:00 AM Author: rjluna2
Wow That would fit into my 400 Watt Mercury Vapor Lamp and Makeshift Fixture nicely.

Pretty, please no more Chinese failure.

streetlight98
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Mike McCann


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Jun 14, 2018 at 06:11 PM Author: streetlight98
Nice lamps! I have several of the ~1980s GTE version. Interesting to see tubular MV lamps. They work nice in fixtures intended for HPS lamps where an ED lamp may not fit.

#167

sailormoon_01_uk
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Area of interest: Airport and Discharge Lighting,


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Jun 15, 2018 at 03:41 PM Author: sailormoon_01_uk
I agree, since the mid 1980's these types of Mercury Lamps became discontinued, as users decided to use Elliptical Fluorescent Mercury Lamps, and Tubular Metal Halide Lamps, by simply adding a Ignitor, in some cases where colour wasn't important they replaced the Tubular Mercury Lamps with Tubular High Pressure Sodium Lamps, example a 220w SON-T lamp on 250w Mercury Gear and 310/360w SON-T lamps on 400w Mercury Gear.
Ahmed
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Jun 15, 2018 at 05:55 PM Author: Ahmed
Nice lamp
I think that it have a bit of use..
WestinghouseCeramalux
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Jun 15, 2018 at 06:44 PM Author: WestinghouseCeramalux

Nice lamp
I think that it have a bit of use..


Sylvania pretests their lamps...that's why there is blackening at the ends.

"Better to remain silent and be thought a fool than to speak and to remove all doubt."
Attributed to ~ ABRAHAM LINCOLN.

sailormoon_01_uk
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Jun 16, 2018 at 03:19 AM Author: sailormoon_01_uk
Yep as WestinghouseCeramalux mentions this is Manufacturers Pre-test which has caused the slight blackening around the electrode (Cap End) normally if the lamp has been lit for 20 or so minutes this disappears.
Ahmed
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Jun 16, 2018 at 04:08 PM Author: Ahmed
Now I understood..
Thanks for the information...
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