COD Test Tube Heater with 25 Vials for COD – HI839150-02

Features at-a-glance Laboratory safety shield included The included safety shield is highly recommended to use during vial digestion procedure to maintain a safe working environment Reactor block temperature continuously evaluated and displayed Built-in countdown timer A timer of up to 180 minutes is included for applications that require timed digestions. The end of the digestion time is signaled by 5 short acoustic beeps and "DONEin. message is displayed. The heating is turned off and the block begins to cool off. Status indicator lights POWER (on) HOT (surface) HEATING (in progress) Overheating prevention Reference temperature probe well A small temperature well can accommodate a temperature probe, useful for verifying the heating block. Warnings and error messages The instrument displays warning messages when erroneous conditions appear and when values are outside the expected range such as high or low temperature, hot surface, or heating system malfunction.