 Last comments - High Pressure Sodium
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Retro-fit sodium for mercury replacementTuopeek06/09/26 at 10:29Max: Nice lamp! I really like that large barium getter ...
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Retro-fit sodium for mercury replacementTuopeek05/09/26 at 07:35Ria: I'm sure we have either this lamp or somethin...
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Retro-fit sodium for mercury replacementTuopeek04/09/26 at 21:28Tuopeek: Yes, these have neon present to allow starting at ...
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Retro-fit sodium for mercury replacementTuopeek04/09/26 at 20:30Drew: I assume this is the penning-start type of lamp, i...
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Comfort SON-TTuopeek31/08/26 at 07:59Ria: Which it is certainly NOT around here
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Comfort SON-TTuopeek31/08/26 at 06:16Max: I understand your frustration, Sammi, but it'...
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Comfort SON-TTuopeek30/08/26 at 22:37Sammi: All the roads round here specify those things.! :c...
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Comfort SON-TTuopeek29/08/26 at 22:32Max: I've never tried any SON Comfort lamps on ele...
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Comfort SON-TTuopeek29/08/26 at 11:48Max: Nice addition! Philips phased out those lamps in A...
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White SONTuopeek20/06/26 at 06:44Max: This is indeed coherent with the datecode. Nonethe...
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White SONTuopeek19/06/26 at 07:28Tuopeek: Certainly fits with the time of manufacture.
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White SONTuopeek18/06/26 at 21:10Max: 102.6 V and the light color is very yellow? It loo...
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White SONTuopeek18/06/26 at 09:02Tuopeek: I checked the lamp voltage after giving it some ex...
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White SONTuopeek17/06/26 at 20:09Max: Strange. Have you measured the lamp's rms vol...
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Double Ended High Pressure SodiumTuopeek24/05/26 at 07:18Max: That's a strong fluorescence there! The origi...
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Double Ended High Pressure SodiumTuopeek15/05/26 at 13:35Tuopeek: My camera has enhanced the brightness slightly but...
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Double Ended High Pressure SodiumTuopeek15/05/26 at 12:55Drew: Wow that is a very bright glow! It's always i...
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Multi Vapor Halide Tuopeek02/02/26 at 09:05Tuopeek: That's interesting and does explain the findi...
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Multi Vapor Halide Tuopeek01/02/26 at 23:10wide-lite 1000: I don't know the reasoning behind it but back...
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High Pressure sodium lamp Tuopeek14/12/25 at 15:26Max: Yes, take care of it, that's certainly not yo...
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High Pressure sodium lamp Tuopeek14/12/25 at 11:23Tuopeek: Thanks again Max, that solves a mystery I haven...
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High Pressure sodium lamp Tuopeek13/12/25 at 23:33Max: No problem. I dug a little bit in the literature a...
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High Pressure sodium lamp Tuopeek13/12/25 at 17:12Tuopeek: Thanks for the information Max. I guess it wasn...
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High Pressure sodium lamp Tuopeek12/12/25 at 08:08Max: And, more importantly, that's a deluxe HPS (2...
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SON under SOXTuopeek05/12/25 at 10:28Tuopeek: I bought an Iwasaki NHT150SDX some time as it also...
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SON under SOXTuopeek04/12/25 at 22:30Max: Nice experiment! The sodium vapor in HPS lamps has...
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SON under SOXTuopeek23/11/25 at 18:34Tuopeek: Thanks, Yes, I have often played with low pressure...
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SON under SOXTuopeek23/11/25 at 15:05Ria: Interesting. Seen SOX under SOX before, but never ...
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Multi Vapor Halide Tuopeek17/11/25 at 15:44Tuopeek: It was an eBay buy but I think from an electrical ...
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