Testing Uv Transparency; Fig. 5-8 Testing The Uv Transparency; Fig. 5-9 Measuring The Recalibration Sample; Fig. 5-10 Argon Purge Completed Successfully - Hitachi OE700 Series Operating Manual

5.5.3

Testing UV transparency

Once the pump cycle has been completed, check the vacuum chamber's
UV transparency as follows:
1. Open the main measuring window in the spectrometer software.
2. Select "Optic UV transparency test" from the menu item "Analysis".
Fig. 5-8
3. Place the displayed (fig. 5-9) and freshly prepared recalibration sample on the
spark stand and fix it in place with the hold-down device.
4. Switch on the excitation source at the rotary knob on the front of the instrument and
press "Start".
Fig. 5-9
Once the measurement is completed, the instrument will indicate the UV transparency
level.
If the message appears in
for operation.
Fig. 5-10
If the message appears in
Hitachi High-Tech Analytical Science.
Testing the UV transparency
Measuring the recalibration sample
green (UV purge factor min. 80 %), the spectrometer is ready
Argon purge completed successfully
red (UV purge factor < 80 %), please contact the service of
5 Scope of delivery, transport, set-up and installation
Hitachi High-Tech Analytical Science
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