Eppendorf Research plus User Manual download pdf (Page 10)

3 Operation

Eppendorf Research® plus — Operating manual

3 Operation

3.1 Setting the volume (only Research plus variable)

3.2 Using pipette tips

The liquid to be dosed is aspirated into pipette tips. It is recommended to use epT.I.P.S. The

epT.I.P.S. pipette tips are available in different purities, as tips with and without a filter and as

special tips. When using liquids whose surface tension is lower than that of water (e.g., due to the

presence of a wetting agent in the liquid), the use of the special tips epT.I.P.S. LoRetention is

recommended.

 Turn the volume setting ring as depicted to adjust the

volume.

The height of the control button changes as the volume is

adjusted.

The numbers on the volume display are to be read from

the top to the bottom. The decimal places are below the

hyphen.

The volume is displayed up to 1 000 L in L. For the 5 mL

and 10 mL sizes, the volume is displayed in mL.

We recommend to adjust the volume setting from a higher

value to a lower value. If required, turn beyond the

required value and then back again.

The pipette is only functional if a pipette tip has been

attached. You can either attach the pipette tip by hand or

directly insert the end of the pipette into a tip held in the tip

storage box. If attaching a pipette tip by hand, it must be

handled in such a way to avoid contamination and heating of

the pipette tip.

The color of the control button of the Research plus matches

the color of the epT.I.P.S. tray.

 If you are using pipette tips without a filter, insert the

protection filter into the 5 mL and 10 mL pipettes.

 If you are using the 5 mL or 10 mL epDualfilter T.I.P.S.,

remove the protection filter in the pipette. This also

applies to 5 mL / 10 mL filter tips of other manufacturers.

The filters can interfere with each other. The

backpressure of the two filters makes it difficult to exactly

identify the first stop (see p. 11).

 Fit the suitable pipette tip(s) on the tip cone, applying light

pressure.

The pipette tip is securely attached to the tip cone when

it responds with spring-loaded action (exceptions: no

spring-loading action for 5 mL and 10 mL single-channel

pipettes)

You can deactivate the spring loading action of the tip cone in

the case of single-channel pipettes (see p. 17).

Operation

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Eppendorf Research plus User Manual Page 10

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