Operation (Photometry Assay); Explanation Of Photometric Point - Hitachi 902 Service Manual

Operation (photometry assay)

• Relationship between 48 Cells Measured in 1 Cycle, Photometric Sequence and 10-minute
Reaction Measurement Sequence
R. Disk Rotation
Measurement 1 2 3 4 5 6 7 8 9
sequence 10 11 12
POS # before 15 16 17 18 19 20
measurement 21 22 23 24 25 26
POS # after 14 15 16 17 18 19
measurement 20 21 22 23 24 25
Photometric E24 E22 E20 E18
point E16 E14 E23 E21
E19 E17 E15 E13
λ 1
λ 2

Explanation of Photometric Point

CB1 to CB4 : Passing cell blank
E1 to E35 : Routine
R1 to R10 : Invalid data
12-cell Rotation 5-cell Rotation
13 14 15 16 17
27 28 29 30 31
26 27 28 29 30
E12 E10 E8 E11
E9
Wavelength set by analytical parameter
Abnormality in measurement causes occurrence of
PHOTOMETER LAMP or other alarm. For details of
alarm, refer to the alarm specifications.
18 19 20 21 22 23 24 25 26 27 28 29
30 31 32 33 34 35 36 37 38 39 40 41
42 43 44 45 46 47 48 49
32 33 34 35 36 37 38 39 40 41 42 43
44 45 46 47 48 1 2 3 4 5 6 7 8 9 10
11 12 13 14 15
31 32 33 34 35 36 37 38 39 40 41 42
43 44 45 46 47 48 1 2 3 4 5 6 7 8 9
10 11 12 13 14
E6 E4 E2 R10 R8 CB3 CB1 R6 R4 R2
E35 E53 E31 E29 E27 E25 E7 E5 E3
E1 R9 CB4 CB2 R7 R5 R3 R1 E34
E32 E30 E28 E26
7 - 31
32-cell Rotation