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Over the years
Standard brightness version without chip — functions in the required systems
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The buck sample cup is made from solid PTFE for high temperature and pressure use
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Hach Ham L6637 D2 Lamp Over the yearsThe Buck Scientific Hach Ham L6637 D2 Lamp is a compatible alternative replacement deuterium lamp offering 2000 hours of service life. Designed for Hach Ham L6637 UV Vis analyzers, this lamp delivers stable UV output for accurate water quality and environmental photometric measurements. Compatible Models Hach Ham L6637 Specifications OEM Brand: Hach Lamp Type: Deuterium (D2) Service Life: 2000 hours Buck Part Number: 720 550 Package: Each