Eppendorf BioPhotometer - Manual (Page 38)

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Photometer – Disconnect the device from the main power source before carrying out maintenance
work or to change the fuses.
The inside of the device is a high-voltage area. Danger!
– Wipe the entire device using a moist cloth and a mild cleaning agent.
– Disinfect the device using a lightly moistened cloth and a 70 % ethanol/water
mixture.
– Do not allow any liquid to enter the device.
Cuvette shaft – Clean the cuvette shaft using a moist cotton swab only. Do not use large quantities
of liquid (e.g. spray bottles).
– When the device is not being used, protect the cuvette shaft from dust using the
seal provided.
Dust or residue from the measuring solutions in the optical light path can cause
inaccurate measurements.
Changing the fuses – Disconnect the device from the mains supply.
– The fuse holder is located above the mains connection (see picture in Sec. 4.1).
The holder is held in position by a small elastic stop lever on its underside.
– Push the stop lever upwards and pull out the holder.
– Change the fuses (for specifications, see Sec. 2, “Technical data“ ).
– Press the holder into the attachment until the stop lever clicks into place.
– Plug the device into the mains supply.
9 Maintenance and cleaning
09_Wartung_e.fm Seite 80 Montag, 20. Februar 2006 11:25 Uhr