JBL Replacement lamp UV-C 9 W
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55 W: Glass - 50.1 cm 55 W: Glass with base - 52.5 cm 55 W: Glass with base and pin - 53.2 cm
No, this small ball is made of mercury and is absolutely necessary. The burner is only defective if the ignition wire is broken. After the lamp has been lit, the temperature inside rises and liquefies this small ball, producing mercury vapor. The ionization processes triggered by this provide the desired UV-C radiation to kill germs, bacteria, and algae. Due to their mercury content, used UV-C burners must only be disposed of at appropriate collection points (e.g., for fluorescent tubes).
How often a UV-C lamp, for example in JBL PROCRISTAL UV-C Compact plus devices, needs to be replaced depends on the operating system. After a maximum of 6000–8000 operating hours, the performance has decreased to such an extent that replacement is necessary. In continuous operation (24 hours), replacement is necessary after 250 days. For this reason, replacement in ponds is always carried out in the spring when the equipment is put back into operation.
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