Metrohm NIRS DS2500 Analyzer - Manual (Page 35)

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6 Maintenance
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4 Inserting the lamp holder
￭ First, push the white lamp holder carefully all the way into the
opening,
￭ then turn it approx. 45° clockwise and
￭ then slowly let it go.
5 Closing the lamp compartment
￭ Place the sealing plate onto the opening. Make sure that no
cables are being pinched.
￭ Insert the four screws and tighten them in crosswise sequence
using the hex key.
￭ Push the hex key into the guide rail on the cover.
￭ Close the lid.
6 Calibrating the instrument
The instrument has to be recalibrated every time a lamp is replaced.
￭ Switch on the instrument.
￭ Recalibrating the instrument (see step 6 in the chapter "Non-reg-
ulated industries", page 12).