68 Mega-800 SCINCO
Lamp changeover wavelength
Chapter 8 Maintenance
Mega-800 UV-VIS Spectrophotometer is a precision instrument. Careful assembling and final test
have been done before delivery. Appropriate routine attention and maintenance will not only ensure
the reliability and stability of the instrument but also extend its operating lifetime.
8.1 Points for attention
A good environmental condition should be provided according to the requirements in Section“2.1 Site
requirement‖
Since the instrument has been adjusted to its optimum conditions before delivery, users are neither
allowed to adjust it by themselves nor dismount parts from the instrument. Pay special attention not to
touch and damage the surfaces of optics or to wipe the surfaces carelessly.
8.2 Daily care
Check if there is spilt sample solution contained in the sample compartment after each measurement.
The sample compartment should be cleaned frequently to avoid corrosion to the parts and optical the
system.
The instrument should be covered with anti-dust cover, which is provided with the instrument. Silica-
gel bags can be put in the sample compartment and the light source housing to keep dry. But be sure
to take the bags out before switching on the instrument.
During daily operation and storage, the LCD display and keyboard should be handled with care and
prevented from scratch, water, dust and corrosion.
Periodically check the performance of the instrument. If anything abnormal occurs, contact the seller
or the manufacturer immediately.
If the instrument is not to be used for a long time, pay great attention to environmental conditions such
as temperature and humidity and periodically replace the silica-gel bags. It is recommended turn on
the instrument once a month.
Trouble shooting and maintenance
The instrument begins to initialize after turning on it, as shown in Fig. 9.1. The system gives status
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