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1. http://www.fao.org/docrep/005/ac802e/ac802e0a.gif

2. Rest position: Nothing pressed down

3. 1st stop position: The MEASURE position

4. 2nd stop position: The EXPULSION position

5. P 1000

6. P 1000 = 1000 ml = 1 ml 1 ( Only used for one measurement – the max!!) 0  1000 ml 0

7. P 1000 = 1000 ml = 1 ml 0 4  400 ml 0

8. P 1000 = 1000 ml = 1 ml 0 0 Minimum = 10 ml (BUT VERY VERY INACCURATE!!) 1

9. P 200 = 200 ml 2 0  200 ml 0

10. P 200 = 200 ml 0 2  20 ml 0

11. P 20 = 20 ml 2 0  20 ml 0 Decimal

12. P 20 P 200 P 1000 20 ml 0 0 2 0 2 0 2 0 0 Inaccurate ‘Minimum’ Accurate

13. = 1000 ml P 1000 P 1000 100  1000 - 0 1 0 0 0 1 0 Below 100 l becomes less accurate (true for MOST1000 l pipettes) Below 100 l becomes less accurate Maximum reading 1000 l

14. 5 0 0 = 500 ml BIOH T

15. Maximum Value

16. Maximum Value } “Almost full”

17. Maximum Value Fine Problem