u/JSwiry

Spectrophotometer bulb identification

Spectrophotometer bulb identification

Hey, I'm trying to find a replacement for this lightbulb:

https://preview.redd.it/mvjblqgc1q1h1.png?width=453&format=png&auto=webp&s=2d5e036efbfbcd360c702209e07653b505914029

Sadly there are no markings on it, it's from Hach DR4000U spectrophotometer - VIS quartz (i assume it's quartz) tungsten-halogen bulb. New versions use 12V 20W 3150K bulb but there are no resources that say directly what this old version can be. Any ideas?

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u/JSwiry — 5 days ago