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The HI839800 COD Test Tube Heater is an easy to use thermoreactor constructed of durable materials. The aluminum block incorporates a 25 vial capacity and a well for a reference temperature probe. Its well-marked user interface provides intuitive operation, equipped with two arrows to set the built-in timer and a temperature button with two predefined temperature settings: 150℃ and 105℃. Additional features include status indicator lights, a thermal fuse to prevent overheating, and continuous LCD display.

• Low and high temperature alerts
• Built-in countdown timer
• Status indicator lights