Operation (Cell Rinse Mechanism); Status Transition For Cell Rinse; Discharge Of Cell Blank Water; Rinse Tip Wash - Hitachi 902 Service Manual

Operation (cell rinse mechanism)

(1) Function
Reaction cell rinse (wash with water 5 times including cell blank water)
(2)

Status Transition for Cell Rinse

Start
IDLE
All cells
contain liquid.
Discharge
All cells are empty, all cells have been
washed, no blank water is discharged
and nor rinse tip wash water is
discharged.
(3)

Discharge of Cell Blank Water

Cell blank water is discharged in the operation status and sampling stop status. Note,
however, that discharge and measurement are not made in two cycles after start from the
standby status.
(4)

Rinse Tip Wash

The rinse tip (R7) is washed over cycle 3 to 9 immediately after start of operation.
(while cell no. 1 shifts from R3 to R6)
All cells are not empty.
All cells are empty.
All cells have been
washed and no blank
water is discharged.
Some cell has not been washed,
blank water is discharged or rinse
tip wash water is discharged.
R1 to R4, R6, R7
Aspiration
All cells are empty.
IDLE
NOTE:
7 - 33
Operation for cells located
under RINSE 1 to 7