Hitachi 902 - Explanation of Photometric Point; Operation (Photometry Assay)

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Operation (photometry assay)
• Relationship between 48 Cells Measured in 1 Cycle, Photometric Sequence and 10-minute
Reaction Measurement Sequence
R. Disk Rotation 12-cell Rotation 5-cell Rotation 32-cell Rotation
Measurement
sequence
1 2 3 4 5 6 7 8 9
10 11 12
13 14 15 16 17 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
POS # before
measurement
15 16 17 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 1 2 3 4 5 6 7 8 9 10
11 12 13 14 15
POS # after
measurement
14 15 16 17 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 1 2 3 4 5 6 7 8 9
10 11 12 13 14
Photometric
point
E24 E22 E20 E18
E16 E14 E23 E21
E19 E17 E15 E13
E12 E10 E8 E11
E9
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
λ 1
λ 2
Wavelength set by analytical parameter
Explanation of Photometric Point
CB1 to CB4 : Passing cell blank
E1 to E35 : Routine
R1 to R10 : Invalid data
Abnormality in measurement causes occurrence of
PHOTOMETER LAMP or other alarm. For details of
alarm, refer to the alarm specifications.