Brandtech-scientific HandyStep S Manual do Utilizador descarregar pdf (Página 35)

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Accuracy Table

Technical Data

PD-Tips from BRAND, 20 °C 'Ex',

PD-Tip

size

Volume

range (µl)

–

± %

Stroke setting

of nominal volume

CV*

–

Stroke setting

of nominal volume

2% 3

6% 5

10% 1

2% 3

6% 5

10%

0.1 ml 2 - 10 4.0 2.4 1.6 6.0 3.0 2.0

0.5 ml 10 - 50 2.5 1.5 1.0 2.5 1.5 1.0

1.0 ml 20 - 100 2.5 1.5 1.0 2.0 1.2 0.8

1.25 ml 25 - 125 2.5 1.4 0.9 2.0 1.1 0.7

2.5 ml 50 - 250 1.8 1.1 0.7 1.5 0.9 0.6

5.0 ml 100 - 500 1.8 1.1 0.7 1.5 0.9 0.7

10.0 ml 200 - 1000 1.8 1.1 0.7 2.0 1.2 0.8

12.5 ml 250 - 1250 1.8 1.1 0.8 3.2 2.0 1.4

25.0 ml 500 - 2500 1.5 0.9 0.6 3.0 1.5 1.0

50.0 ml 1000 - 5000 1.5 0.8 0.5 5.0 1.8 1.2

A* = Accuracy, CV* = Coefficient of variation

The HandyStep

can also be operated with compatible tips from other

manufacturers. The user must check their compatibility and perform a

function and volume test before use!

Important!

Error limits refer to the dispensing volume set relative to the PD-Tip, obtained when instrument,

PD-Tip and distilled water are equilibrated at ambient temperature (20 °C/68 °F) and with

smooth operation. The testing is according to DIN EN ISO 8655-5.

The nominal volume is the maximum volume printed on the PD-Tip.

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Brandtech-scientific HandyStep S Manual do Utilizador Página 35