Instruction manual

9.1 Installation
9-37
RF-20A/20Axs
9
9.1.10 Fitting the Low-Pressure Hg (Mercury) Lamp (RF-20A Only)
When performing wavelength calibration or checking the wavelength accuracy on an RF-20A, a low-pressure
Hg (mercury) lamp is used.
Remove the Xenon lamp from the instrument and fit the low-pressure Hg (mercury) lamp in it.
Purchase the following parts as options.
Parts used
1
Remove the silver cover from the low-pressure Hg
(mercury) lamp and fit the lamp into the low-
pressure Hg (mercury) lamp holder.
Fig. 9.56
2
Secure the low-pressure Hg (mercury) lamp to the
low-pressure Hg (mercury) lamp holder with the
screw provided as an accessory with the holder.
Fig. 9.57
3
Remove the Xenon lamp.
^ "8.4 Inspecting/Replacing the Xenon Lamp"
P.8-30
Part Name Part No.
Low-pressure Hg (mercury) lamp (including power supply unit) 200-38423
Low-pressure Hg (mercury) lamp holder (for RF-20A)
∗
Supplied with one low-pressure Hg (mercury) lamp fixing screw
228-51952-91
Low-pressure
Hg (mercury)
lamp holder
Low-pressure Hg
(mercury) lamp
Low-pressure
Hg (mercury)
lamp holder
Low-pressure
Hg (mercury)
lamp
Screw