Page 14 - Instruction Manual 2
P. 14
Leak Test
This test may be performed at any time to check
that the pipette does not leak, especially after
performing a maintenance or decontamination
procedure. If a pipette fails this test, replace
the O-ring and seal. After making sure that the
TROUBLESHOOTING P2 to P200 Models
pipette is correctly reassembled, repeat this test.
Fit a PIPETMAN® DIAMOND tip.
1.
set the pipette to the maximum volume,
2.
given in the specifications, and pre-rinse.
Aspirate the set volume from a beaker of
3.
distilled water.
Maintain the pipette in the vertical position
4.
and wait for 20 seconds.
5. If a water droplet appears at the end of the
tip, there is a leak.
6. If you see no droplet, re-immerse the tip
below the surface of water.
7. The water level inside the tip should remain
constant; if the level goes down, there is a
leak.
P1000 to P10mL Models
1. Fit a PIPETMAN® DIAMOND tip.
2. set the pipette to the maximum volume
given in the specifications.
3. Aspirate the set volume from a beaker of
distilled water.
4. Maintain the pipette in the vertical position
and wait for 20 seconds.
5. If a water droplet appears at the end of the
tip, there is a leak.
14 TROUBlEsHOOTING | PIPETMAN® ClAssIC PIPETMAN® ClAssIC | UsER’s GUIDE