Maintenance; Changing The Lamp; Actions To Take If A Cell Is Broken - wtw PhotoLab S6 Operating Instructions Manual

14. Maintenance

14.1 Changing the lamp

– Switch off the photometer and disconnect it from
the power line
– Carefully turn up the photometer and park it safely
– Screw off the lamp cover on the underside of the
photometer
Let the lamp of the photometer cool down.
– Pull out the plug a
– Unscrew the screw b
– Remove the lamp with its holder c by pulling it
gently upwards
Do not touch the new light bulb of the
photometer.
– Insert a new preset lamp and screw it tight using
the screw b

14.2 Actions to take if a cell is broken

Do not rotate the photometer to pour out
the liquid!
The photometer has a draining mechanism under the
cell shaft that, when operated correctly, prevents any
liquid coming into contact with electronic components.
– Switch off the photometer (close the cover) and
disconnect it from the line power
– Let the liquid drain off
– Carefully remove any pieces of glass, e.g. using
tweezers
– Carefully clean the cell shaft with a damp, lint-free
cloth
50
– Connect the plug a of the new lamp
– Screw the lamp cover on again
– Set up the photometer again and connect it to the
power line
3
– Press and hold
– Switch on the meter (open the cover) and after the
following display appears, release
1
– Press
– Let the cell shaft dry
After it is dry, check the photometer:
– Perform a photometer monitoring (see section 8.2).
3
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