Limitations Of Use; Operating Limitations - BRAND seripettor Operating Manual

2.2.1 Operation
When the instrument is correctly used, the dispensed liquid comes into contact with only the follow-
ing chemically resistant materials:
seripettor®
FEP, PP, PE, EPDM
seripettor® pro
PP, PE, borosilicate glass, Al

2.3 Limitations of Use

This instrument is designed for dispensing liquids, observing the following physical limits:
•
Use between +15°C and +40°C of instrument and reagent (seripettor®: agar culture medium up to
max. 60 °C)
•
Vapor pressure up to 500 mbar
•
Density up to 2.2 g/cm
•
Kinematic viscosity*:
– 2 ml instrument: 300 mm
– 10 ml instrument: 150 mm
– 25 ml instrument: 75 mm
* dynamic viscosity [mPas] = kinematic viscosity [mm

2.4 Operating Limitations

•
Liquids, which form deposits may make the piston difficult to move or may cause jamming (e.g.,
crystallizing solutions or concentrated alkaline solutions). If the piston movement becomes slug-
gish or stiff, the instrument should be cleaned immediately (Cleaning, p. 68).
•
When dispensing inflammable media, make sure to avoid to buildup of static charge, e.g., do not
dispense into plastic vessels; do not wipe instruments with a dry cloth.
•
The instrument is designed for general laboratory applications. Compatibility of the instrument
for a specific application (e.g., trace material analysis, food sector etc.) must be checked by the
997468
-O -ceramic, ETFE, PFA, FEP, PTFE, Pt-Ir
2 3
3
2
/s
2
/s
2
/s
2 3
/s] x density [g/cm ]
2 Safety Instructions
51
Operating manual