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Calibrated used multichannel pipettes for laboratories

€100.00 – €150.00 ex.

The calibrated used multichannel pipettes are easy and practical in use whenever long sample series need to be processed. All our pipettes are calibrated using the ISO_8655-2_2002 norm as a guidline. For practical reasons, the used multichannel pipettes are tested as single channel pipettes, the volume of all channels is combined and expressed as one measurement. Every pipette is validated at the minimal volume and the maximum volume (in some cases at a lower volume). At each level the accuracy and repeatability is determined in 5-fold with MillilQ water (temperature corrected). The obtained results are set against the norm criteria and evaluated.

In the table below you can find the results for the offered pipettes. The result show that for some pipettes the performance is slightly below the set criteria. This doesn’t have to mean that the pipette is useless. It depends on the requirements of the user.  In a lot of cases a systematic accuracy error of 0,92% is totally acceptable.

If there are any questions about how we calibrate our pipettes, please contact us.

Pipet

Volume

 Accuracy Repeatability
  µl % Criteria RSD%

Criteria
Labsystems D18840

50
200

 0,33
0,47		 4,80
1,20		 0,61
0,30

1,8
0,5
Labsystems D18836

50
200

 0,15
0,53		 4,80
1,20		 0,20
0,24

1,8
0,5
Labsystems D59353

5
50

 4,96
1,10		 8,00
0,80		 2,89
0,36

3,0
0,3
Labsystems C82951

50
200

 2,80
0,87		 4,80
1,20		 0,42
0,10

1,8
0,5
Thermo finnpipette

30
200

 4,34
0,25		 8,00
1,20		 1,02
0,15

3,0
0,5
Titertek B-LAB 1

50
200

 0,82
0,92		 3,20
0,80		 0,23
0,19

1,2
0,3

 

€150.00 ex.

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Description

The calibrated used multichannel pipettes are easy and practical in use whenever long sample series need to be processed. All the pipettes are calibrated using the ISO_8655-2_2002 norm as a guidline. For practical reasons, the used multichannel pipettes are tested as single channel pipettes, the volume of all channels is combined and expressed as one measurement. Every pipette is validated at the minimal volume and the maximum volume (in some cases at a lower volume). At each level the accuracy and repeatability is determined in 5-fold with MillilQ water (temperature corrected). The obtained results are set against the norm criteria and evaluated.

In the table below you can find the results for the offered pipettes. The result show that for some pipettes the performance is slightly below the set criteria. This doesn’t have to mean that the pipette is useless. It depends on the requirements of the user.  In a lot of cases a systematic accuracy error of 0,92% is totally acceptable.

If there are any questions about how we calibrate our pipettes, please contact us

Pipet

Volume

 Accuracy Repeatability
  µl % Criteria RSD%

Criteria
Labsystems D18840

50
200

 0,33
0,47		 4,80
1,20		 0,61
0,30

1,8
0,5
Labsystems D18836

50
200

 0,15
0,53		 4,80
1,20		 0,20
0,24

1,8
0,5
Labsystems D59353

5
50

 4,96
1,10		 8,00
0,80		 2,89
0,36

3,0
0,3
Labsystems C82951

50
200

 2,80
0,87		 4,80
1,20		 0,42
0,10

1,8
0,5
Thermo finnpipette

30
200

 4,34
0,25		 8,00
1,20		 1,02
0,15

3,0
0,5
Titertek B-LAB 1

50
200

 0,82
0,92		 3,20
0,80		 0,23
0,19

1,2
0,3

 

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