Hitachi U-5100 Instruction Manual page 267

4.6.1 Single Cell Holder (Separately Available)
A single cell holder has only one cell setting position like the
conventional cell holders. This holder should be employed
when you want to use cells by the usual method.
1. Removal of 6-cell Holder
Remove the 6-cell holder, referring to the 6-cell holder
removing method described in "a." of 2.4.5.
2. Mounting of Single Cell Holder
(1) Open the sample compartment and place a single cell
holder so that its positioning holes receive the guide
pins of the sample compartment. The single cell
holder must be mounted facing the rectangular cell
setting position toward the front of the instrument as
shown below.
Fig. 4-66 Guide Pins of Sample Compartment
Rectangular cell
setting position
Face toward instrument front.
Fig. 4-67 Appearance of Single Cell Holder
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4.6.1
Guide pins
Positioning holes