Checking The Function; Autoclaving; Troubleshooting Guide - ahn myPette pro Bedienungsanleitung

7.5.5 Assembling the Lower Assembly
1. Attach the front cover and screw it.
2. Press the plunger completely and hold it while screwing the coupler
nut to the body.

7.5.6 Checking the Function

Ensure that the pipette has been assembled correctly.
• Carry out a gravimetric test for systematic and random errors.

7.6 Autoclaving

This pipette is completely autoclavable at 1 bar pressure and 121
temperature for 20 minutes of exposure time.
Autoclaving Instructions
• Keep the digital counter in unlock position.
• Do not disassemble the pipette for autoclaving.
• After autoclaving, allow the pipette to completely cool and fully dry
for a minimum of 4 hours.
If the pipette is frequently autoclaved, the piston and springs should be
greased with the supplied lubricant, along with each pipette, to maintain
smooth movement.

8. TROUBLESHOOTING GUIDE

Problem Area
Pipette is leaking
Pipette does
not aspirate the
solution
Pipette is
inaccurate
Inaccurate
dispensing with
certain liquids
Problem Cause
Worn O-ring or seal
Foreign particles between tip
and tip cone
Foreign particles between
piston and seal
Worn O-ring or seal
Tip cone is loose
Piston is damaged (chemically
or mechanically)
Damaged tip cone
Improper assembly
Tip cone is loose
Tip incorrectly attached
Calibration altered
Calibration not suitable for
particular liquid
Solution
Replace worn parts
Clean tip cone and attach
new tip
Clean seal and piston
Replace worn parts
Tighten tip cone
Return pipette to the
authorised distributor
Replace the tip cone
See
"Maintenance" section
Tighten the tip cone
Attach firmly
Recalibrate according
to instructions
Recalibrate with the liquid
in question
C
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