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OSRAM HQI-TM 600W
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As a follow up to this 400W ceramic metal halide lamp in a very compact formfactor I decided to get the even higher power quartz variety. This time in the 600W/D (Daylight) variety. Apart from this a bigger 1000W variety was also offered.
The idea of this lamp design was described in the post linked above. I will just go into this particular design.
As well as the smaller -TM lamps this lamp was also made in the Radium Wipperfürth plant in Germany.
The Lamp is made in a tubular 34mm white quartz tube employing a special doping blocking UV radiation.
In this quartz tube a quartz discharge vessel is located having an approx. 30mm long arc length.
I tried figuring out the halide chemistry of this lamp. Clearly seen can be seen red halides arounds the top and bottom electrodes. It’s not the first time I see red halides in a lamp, but you do not see them every day. Anyway I believe that these red halides are tin iodine.
Thats however already all of my tries of identifying the chemistry lamps. I believe that these lamps also contain dysprosium and caesium iodine like other other Osram rare earth daylight metal halide lamps but that is absolute speculation.
I believe this lamp lamp contains argon as a buffer gas. Krypton 85 was used before 2010 when regulation regarding the air transport of radioactive materials. As a new ignition aid a small capacitive uv sources is used which may be seen here. This UV sources help with ignition by facilitation of ionization of the gas in the arc tube.
The lamps light centre is located at the same hight as all the other -TM lamps, allowing for more simple fixture design.
The high power lamps seem to be a bit more popular than the low power CMH lamps. These were often used in big compact spotlights in architectural but also for sport lighting and spotlighting in industrial facilities. However the complete TM lamp series was discontinued in 2014/2015.
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, these have got to be silly bright when running?, those halide salts though are really unusual in they’re colour 
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As a follow up to this [url=http://80.229.24.59:9232/gallery/displayimage.php?album=lastup&cat=0&pid=23175#top_display_media]400W ceramic metal halide lamp[/url] in a very compact formfactor I decided to get the even higher power quartz variety. This time in the 600W/D (Daylight) variety. Apart from this a bigger 1000W variety was also offered.
The idea of this lamp design was described in the post linked above. I will just go into this particular design.
As well as the smaller -TM lamps this lamp was also made in the Radium Wipperfürth plant in Germany.
The Lamp is made in a tubular 34mm white quartz tube employing a special doping blocking UV radiation.
In this quartz tube a quartz discharge vessel is located having an approx. 30mm long arc length.
I tried figuring out the halide chemistry of this lamp. Clearly seen can be seen red halides arounds the top and bottom electrodes. It’s not the first time I see red halides in a lamp, but you do not see them every day. Anyway I believe that these red halides are tin iodine.
Thats however already all of my tries of identifying the chemistry lamps. I believe that these lamps also contain dysprosium and caesium iodine like other other Osram rare earth daylight metal halide lamps but that is absolute speculation.
I believe this lamp lamp contains argon as a buffer gas. Krypton 85 was used before 2010 when regulation regarding the air transport of radioactive materials. As a new ignition aid a small capacitive uv sources is used which may be seen here. This UV sources help with ignition by facilitation of ionization of the gas in the arc tube.
The lamps light centre is located at the same hight as all the other -TM lamps, allowing for more simple fixture design.
The high power lamps seem to be a bit more popular than the low power CMH lamps. These were often used in big compact spotlights in architectural but also for sport lighting and spotlighting in industrial facilities. However the complete TM lamp series was discontinued in 2014/2015.](albums/userpics/10286/normal_IMG_3396.jpeg "Click to view full size image
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OSRAM HQI-TM 600W
As a follow up to this [url=http://80.229.24.59:9232/gallery/displayimage.php?album=lastup&cat=0&pid=23175#top_display_media]400W ceramic metal halide lamp[/url] in a very compact formfactor I decided to get the even higher power quartz variety. This time in the 600W/D (Daylight) variety. Apart from this a bigger 1000W variety was also offered.
The idea of this lamp design was described in the post linked above. I will just go into this particular design.
As well as the smaller -TM lamps this lamp was also made in the Radium Wipperfürth plant in Germany.
The Lamp is made in a tubular 34mm white quartz tube employing a special doping blocking UV radiation.
In this quartz tube a quartz discharge vessel is located having an approx. 30mm long arc length.
I tried figuring out the halide chemistry of this lamp. Clearly seen can be seen red halides arounds the top and bottom electrodes. It’s not the first time I see red halides in a lamp, but you do not see them every day. Anyway I believe that these red halides are tin iodine.
Thats however already all of my tries of identifying the chemistry lamps. I believe that these lamps also contain dysprosium and caesium iodine like other other Osram rare earth daylight metal halide lamps but that is absolute speculation.
I believe this lamp lamp contains argon as a buffer gas. Krypton 85 was used before 2010 when regulation regarding the air transport of radioactive materials. As a new ignition aid a small capacitive uv sources is used which may be seen here. This UV sources help with ignition by facilitation of ionization of the gas in the arc tube.
The lamps light centre is located at the same hight as all the other -TM lamps, allowing for more simple fixture design.
The high power lamps seem to be a bit more popular than the low power CMH lamps. These were often used in big compact spotlights in architectural but also for sport lighting and spotlighting in industrial facilities. However the complete TM lamp series was discontinued in 2014/2015.")
