Operation (Reaction Disk) - Hitachi 902 Service Manual

7.4.4 Operation (reaction disk)

R1
R2
R3
R4
R5
R6
R7
The reaction disk accommodates forty-eight reaction cells.
The reaction disk rotates by one revolution + one cell (= 49 cells) in one cycle (= 18 sec).
The rotation/stop timing in one cycle is as follows.
Stop (1st)
12-cell rotation
Sample pipetting
Stop (2nd)
5-cell rotation
7 - 30
Photometer
ISE sipper
Stop (3rd)
32-cell rotation
Reagent
pipetting/stirring