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The lamp may need to be changed after several thousand hours of use. Generally the instrument will
exhibit high noise during Performance Test, or when wavelength precision (repeatability) has begun
to rise from established values. Follow this procedure:
1.
Turn off Instrument power and unplug AC
power cord from AC receptacle or supply.
The “O” position is OFF.
Allow the instrument to cool for about
15-20 minutes before attempting to
change the lamp.
2.
On the back side of the instrument,
loosen the eight (8) captive thumbscrews
that secure the lamp cover in place.
3.
Loosen the screws holding the wire
terminals onto the terminal strip. Do
not remove these screws. One or two
turns counter-clockwise are sufficient.
Pull the wire connectors out from
under the screws.
Summary of Contents for NIRS
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