4 Liquid Handling n web: www.alphalabs.co.uk Pipet-Aids Drummond Pipet-Aids Hydrophobic layer Hydrophilic layer Self-locking action of hydrphobic layer prevents further pipetting with contaminated filter Aspiration of media from over-pipetting can contaminate filter Drummond branded products have a hallmark of quality and reliability, trusted by customers around the world. The Drummond Pipet-Aid family has been setting the industry standard for electronic pipette controllers since the 1970’s, when the launch of the original Pipet-Aid eliminated the need for mouth pipetting. New designs have been developed to respond to the changing needs of the market and the latest models have a host of innovative features, providing great performance and ergonomics. With the widest choice of options available, you can select the Pipet-Aid to best suit your needs. (4-000-050) The tissue culture nosepiece applies to Pipet-Aid® XL, XP and Original 4-000-057 4-000-051/2 4-000-002 4-000-079 Portable Pipet-Aid® XP 2 The Pipet-Aid XP 2 raises the industry standards for pipetting comfort, convenience and control. ■ Ergonomic design - the lightest Pipet-Aid ever with smooth-touch operating button ■ Uninterrupted, extended operation - can be charged while in use to eliminate downtime ■ Ultra quiet, precision pump - excellent control when aspirating or dispensing ■ LED shows when mains power is connected The unit has 3 speeds for aspiration and dispense modes and is powered by a 3.6V Ni-MH rechargeable battery. It is supplied with a charger, spare filters and a handy detachable stand for resting the Pipet-Aid when not in use. Portable Pipet-Aid® XP 2 Catalogue Number Description Pack Size 4-000-501-UK Pipet-Aid® Portable XP 2 , 220V UK Charger Each 4-000-501-I Pipet-Aid® Portable XP 2 , 220V EURO Charger Each Accessories and Consumables for Pipet-Aid® XP2 Catalogue Number Description Pack Size 4-000-051 Self-locking Filters 5 4-000-052 Self-locking Filters 50 4-000-036 Pipet-Aid® XP2 / XL replacement battery Each All Pipet-Aids have a one year warranty and can be used to fill glass or plastic serological pipettes from 1-100ml. Self-Locking Filter Drummond Pipet-Aids incorporate a self-locking, dual layer filter comprising a hydrophobic 0.8μm membrane and a hydrophilic 0.8μm membrane which provide a barrier to particles as small as 0.1μm. These unique filters serve to both protect the Pipet-Aid® and guard against cross-contamination. When liquid is drawn into the filter by over aspiration, the hydrophobic layer prevents fluid from entering the handle whilst the wet hydrophilic layer restricts airflow, effectively ‘locking’ the pipette and preventing further use until the filter is replaced. Although with conventional, single layer, hydrophobic filters, the pipette controller is protected from over-pipetting (as aspirated liquid will not pass through the filter), subsequent use can blow out contaminants from the filter when dispensing.
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