3.2 0%T Measurement
3 - 2
3.2 0%T MEASUREMENT
This function corrects the 0%T.
Procedure for the zero-measuring on the sample side is as follows:
(1) Close the sample compartment lid tightly.
(2) Click at the instrument calibration command then 0%T in the
spectrophotometer menu on the measurement screen.
(3) Then, the 0%T measuring will start.
3.3 WAVELENGTH CALIBRATION
The wavelength calibration should be conducted using the
emission line of the lamp D
2
(656.1 nm), the light source.
Confirm that the sample compartment is completely vacant; then,
close the lid thereof tightly.
Click at the wavelength calibration command on the
spectrophotometer menu.
The wavelength calibration starts automatically.
NOTE
: In this instrument, wavelength is calibrated automatically
on start-up. Wavelength may change due to thermal
expansion over time of components of the spectroscope,
depending on the indoor environment. For more precise
measurement, wavelength calibration is recommended
after 30 minutes to 1 hour of power-on.
3.4 SYSTEM BASELINE MEASUREMENT
Memorizing the system baseline is available. Follow the below
listed procedure to measure.
(1) Confirm that both the sample side and reference side of the
cell holder are completely vacant. Then, click at the baseline
setup command in the spectrophotometer menu on the
measurement screen; a dialogue box as shown in Fig. 3-2
appears on the screen.
Fig. 3-2 Baseline Setup
