27
13. APPENDIX
The table below lists the relation between the ISO 8655 requirements and the pipette accuracy
tester.
ISO 8655 requirements
Maximum permissible error
Pipette
nominal
volume
*1
Accuracy Repeatability
Balance minimum
weighing value
(
L) ±% ±
L %
L
mg
1 5.0
0.05
5
0.05
2 4.0
0.08
2
0.04
5 2.5
0.125
1.5
0.075
10 1.2
0.12
0.8
0.08
0.001
20 1.0
0.2
0.5
0.1
50 1.0
0.5
0.4
0.2
100 0.8 0.8 0.3
0.3
0.01
200 0.8 1.6 0.3
0.6
0.1
500 0.8 4.0 0.3
1.5
1000 0.8 8.0 0.3 3.0
2000 0.8 16 0.3 6.0
5000 0.8 40 0.3 15
10000 0.6 60 0.3 30
0.1
*1
The maximum volume selectable for adjustable volume pipettes
*2
The BM-20 / 22 can be used for the pipette volume range from 1
L to 200
L.
*3
The BM-252 can be used for the pipette volume range from 20
L to 10000
L.
*
4
The BM-500 / 300 / 200 can be used for the pipette volume range from 200
L to 10000
L.
NOTE Pipette accuracy testing is performed using a high-resolution valance. Make sure that
the measurement environment is free from vibration, drafts and air from air
conditioners. For details, refer to “3. PRECAUTIONS BEFORE USE”.
BM-20 / 22
*2
BM-252
*3
BM-500 / 300 / 200
*4
Содержание BM Series
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