User Manual PEAK INSTRUMENTS INC
41
2. Routine precautions
2.1. Use the dust cover to prevent dust accumulation when the instrument is not
working for long time.
2.2. Be careful not to spill solution into the sample chamber, to prevent
corrosion, for some volatile sample, we recommend using the cuvette lid to
prevent the impact of volatile gases to light , thus affecting the accuracy of the
test equipment,
2.3. Check every part of the instrument to make sure they are not loose so as to
prevent the optical path deviations and affect the instrument is working properly.
2.4. Moving instrument should be handled with care, and no heavy items can be
placed on the top of instrument, so as to avoid affecting the optical path shift
stability and accuracy.
2.5. Wavelength calibration is recommended once a week in order to improve
the accuracy of the measured data, not necessary to do it every time.
2.6. The instrument can’t be left unused for a long time which will shorten its life,
and running 1-2 times a week is recommended, half an hour each time.
3. Tungsten lamp replacement
3.1. Turn off the instrument and unplug the power cord and disconnect the
equipment on both sides of the four screws fastening the shell and the shell
gently remove the left vertical against the instrument. (Note: The connecting
wire between the housing and the base plate, so after the fastening of the
housing screws are not removed too much force to pull the housing to prevent
the pull-beam break)
3.2. Remove the lamp compartment cover three fixing screws and gently
remove the lamp compartment cover. (Note: If the instrument has been open for
some time the lamp compartment cover will be very hot, please be careful burns)
3.3. Find the objects shown in the following figure, loose fastening sheet metal
screws, pull out a tungsten lamp, and the new tungsten lamp according to the
original position seated, and put on a solid metal piece tighten the screws (to
ensure tungsten light positive)
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