BrandTech Scientific HandyStep S - Manual (Page 26)

Operating Exclusions
The HandyStep ® S is a repetitive pipette for quick and simple repetitive
dispensing of liquids. Volumes from 2 µl to 5 ml can be dispensed with
the highest precision and accuracy through combinations of the PD-Tip
size used and adjustment of the stroke setting on the stroke-setting
wheel.
This instrument is designed for dispensing samples, observing the follow-
ing limits:
– use between +15 °C and + 40 °C (59 °F and 104 °F)
(of instrument and reagents – other temperatures on request)
– vapor pressure up to 500 mbar
– viscosity: 20 mPa s with 50 ml PD-Tips
260 mPa s with 5 ml PD-Tips
977 mPa s with 1 ml PD-Tips
Limitations of Use
Function and Limitations of Use
Instrument and tips are not autoclavable (sterile PD-Tips, see page 37).
PD-Tips are disposables. For disinfection of the instrument you may use
commercially available disinfecting solutions as long as they do not attack
PC/PBT and PC.
Note:
During proper operation, the dispensed sample only comes in contact
with the tip and not with the HandyStep
® S.
The user has to ensure the compatibility of the instrument with the inten-
ded application. In case of third-party dispenser tips, the user must check
their compatibility and perform a function and volume test before use.
The instrument should not be used for dispensing liquids that attack
polypropylene (e.g., PD-Tip cylinder), polyethylene (PD-Tip piston), LCP
(PD-Tip piston 0.1 ml), or PC/PBT and polycarbonate.
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