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Chapter 3 SCT 320 Operation 21
2.10 Spectrometer Calibration
Refer to the application software manual or the software help for information on calibrating the
data pixels with wavelengths.
2.11 Slit Width Adjustments in the Model 716-1 Manual Bilateral
Slit and the 716-MS Kinematic Slit
The slit width of each bilateral slit assembly (716 type) is adjustable from 0.010 millimeters to
3 millimeters (10 to 3,000 µm) by a micrometer knob located on the top of the slit housing. The
micrometer knob is graduated in 0.010 millimeter (10 µm) increments.
Each clockwise revolution of the micrometer knob increases the slit width 0.25 millimeters
(250 µm). For maximum reproducibility, the slit width should be set in a clockwise direction
(increasing slit widths) each time it is changed. Refer to the drawing below.
The micrometer knob should not be rotated below a reading of 0.00 or above 3.00. A micrometer
setting of less than 0.010 millimeters (10 µm) should not be used, because a stop is provided to
prevent the slit jaws from contacting each other.
Note: Damage May Be Done If Slit Jaws Are Opened Wider Than 3.0 mm.
Slit Width Micrometer Settings
Slit Width Adjustable from
10 Micrometers to 3000 Micrometers (3 mm)
Figure 2-13. Slit Width Setting:
200 Micrometers (0.200 mm)
Figure 2-14. Slit Width Setting:
1380 Micrometers (1.38 mm)