Micropipettes are available in different volume ranges from 0.1 µl to 100ml. The commonly used variants of single channel variable volume micropipettes are listed below along with their permissible error limits as specified in the ISO 8655-2 standard.
Volume Range (ul) |
Classification |
Increment (ul) |
Accuracy (± %) |
Accuracy (±ul) |
CV (± %) |
CV ( ± ul) |
0.2-2 | P2 | 0.002 | 2 | 0.04 | 1.2 | 0.024 |
0.5-10 | P10 | 0.02 | 1 | 0.1 | 0.5 | 0.05 |
2-20 | P20 | 0.02 | 0.8 | 0.16 | 0.4 | 0.08 |
5-50 | P50 | 0.1 | 0.8 | 0.4 | 0.4 | 0.2 |
10-100 | P100 | 0.2 | 0.6 | 0.6 | 0.2 | 0.2 |
20-200 | P200 | 0.2 | 0.6 | 1.2 | 0.2 | 0.4 |
100-1000 | P1000 | 1.0 | 0.6 | 6 | 0.2 | 2 |
500-5000 | P5000 | 10.0 | 0.6 | 30 | 0.2 | 10 |
1000-10000 | P10000 | 20.0 | 0.6 | 60 | 0.2 | 20 |