Labnet Labpette R Bedienungsanleitung

1. Components and functions

(1) Plunger

Depressing the plunger dispenses the set volume of liquid

(2) Volume adjustment dial

Select position 1 to 5 to set desired volume (see table 1)

(3) Fill lever

Fills tip with liquid when pushed upwards

(4) Locking lever

Secures reservoir tip in place

(5) Reservoir tip

Reservoir for holding liquid to be dispensed. For best

results use Labnet Combi-Syringes.

2. Selecting the volume

•Locate the volume to be dispensed in table 1

•Set the volume adjustment dial to the position

indicated at the top of the column.

•Choose the appropriate reservoir tip from the left

hand column of the chart.

•The maximum number of dispensing steps for the

selected tip and volume is located at the bottom of

the column.

3. Inserting reservoir tip

• Push the fill lever down until it stops.

• Push the locking lever upwards.

• Insert a reservoir tip with slight pressure to lock it in

place.

• Push the fill lever down slightly and press down on

the locking lever to secure the tip in place.

•Use the volume adjustment dial to set the required

volume.

Labpette R

Instruction Manual

Table 1

Dial position 12345

using 0.05mltip 1µl2µl3µl4µl5µl

using 0.50mltip 10µl 20µl 30µl40µl50µl

using 1.25mltip 25µl 50µl 75µl 100µl 125µl

using 2.50mltip 50µl 100µl 150µl 200µl 250µl

using 5.00mltip 100µl 200µl 300µl 400µl 500µl

using12.50mltip 250µl 500µl 750µl 1000µl 1250µl

using25.00mltip 500µl 1000µl 1500µl 2000µl 2500µl

using50.00mltip 1000µl 2000µl 3000µl 4000µl 5000µl

Steps 48 23 15 11 8

Please note :

25 ml und 50 ml tips require the use of an

adapter (adapters are supplied free with

each Labpette R repeating pipettors).

Attach the adapter by placing it on the tip

as shown in the illustration and turning

clockwise. After the tip has been used,

the adapter may be removed and reused.

0,05 ml tips should be used with a 10 µl

pipette tip on the liquid end.

4. Filling the reservoir tip

•Immerse the end of the reservoir tip into the liquid to

be drawn up.

•Slowly raise the fill lever upwards to draw liquid into

the tip.

• Dispense the first step with the plunger.

The fill lever must be raised slowly to

prevent negative pressure and air

bubbles in the liquid.

A small air bubble in the upper part of

the reservoir will not affect the

accuracy as the last step is not

carried out.

The reservoir tip does not need to be

filled completely.

The 0.5 ml, l, 1.25 ml and 2.5 ml tips

may be used with a 100 µl pipette tip

affixed to the end. This facilitates filling

from vessels with narrow necks and

provides better accuracy with small

volumes.

5. Dispensing

•Check that the volume setting is correct.

•Wipe the end of the tip with a lint free wipe or other

appropriate material.

•Place the tip at an angle to the wall of the vessel.

Press the plunger down to the stop to dispense.

After using the 25 ml and 50 ml

tips, the adapter can be removed

by turning it counter-clockwise and

reused with another tip.

Avoid touching the end of the tip

when removing it from the pipette.

When using viscous solutions,

the fit of the tip may loosen after

several pipettings.

6. Removing the tip

•Empty the tip completely.

•Push the locking lever upwards.

•Remove the tip from the dispenser.

7. Maintenance

Labpette R repeating pipettors requires no

maintenance. Potential clogs are best removed

with warm water or isopropanol.

Do not attempt to disassemble the

Labpette R repeating pipettor. Doing so will void

the warranty.

Troubleshooting

Problem Possible cause Remedy

Tips will not fit in pipette Fill lever has not been pushed down completely Push fill lever down to the

stop

Locking lever cannot be pushed down Tip has not been inserted Properly Remove the tip and push

tip piston in. Be sure the

filling lever is in the down

position, replace tip and

press locking lever down

again

Fill lever cannot be moved upwards Locking lever has not been pushed Push the locking lever

down completely down to the stop

Dispensed volume is not correct Volume adjustment wheel is not locked in place Lock adjustment wheel in

place

9. Technical data

Weight : Approx. 100 grams

Accuracy and precision : see Table 2

Liquid : bidistilled water

Reference temperature : 20° - 25° C

±0.5° C constant

Measurement : according to DIN 12650

Subject to technical modifications

Made in Germany

Table 2

Dial position 1 2 3 4 5 Inpre- Inaccur-

Steps 48 23 15 11 8 cision (%) acy(%)

using 0.05 ml tip 1 µl2µl3µl4µl5µl<5 <±2,5

using 0.50 ml tip 10 µl 20 µl 30 µl 40 µl 50 µl < 0,7 < ±0,8

using 1.25 ml tip 25 µl 50 µl 75 µl 100 µl 125 µl < 0,5 < ±0,8

using 2.50 ml tip 50 µl 100 µl 150 µl 200 µl 250 µl < 0,4 < ±0,8

using 5.00 ml tip 100 µl 200 µl 300 µl 400 µl 500 µl < 0,3 < ±0,4

using 12.50 ml tip 250 µl 500 µl 750 µl 1000 µl 1250 µl < 0,3 < ±0,3

using 25.00 ml tip 500 µl 1000 µl 1500 µl 2000 µl 2500 µl < 0,3 < ±0,2

using 50.00 ml tip 1000 µl 2000 µl 3000 µl 4000 µl 5000 µl < 0,2 < ±0,2

10.Ordering information

Labnet Combi-Syringe tips may be ordered

from your Labnet dealer. All sizes are supplied

in stackable dispenser boxes and are available

in sterile or non-sterile packaging.

11.Warranty

Labpette R repeating pipettors are guaranteed

against defects in materials and workmanship

for a period of 6 months from the data of

purchase. This warranty is valid only if the

dispenser has been used in compliance with

these instructions. If a failure cannot be

remedied using the troubleshooting guide

above, contact Labnet for further assistance. P.O. Box 841 • Woodbridge, NJ 07095 • Phone: 888-LABNET1 or 732 417-0700

Fax: 732 417-1750 • email: [email protected] • http://www.labnetlink.com

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