Eppendorf SOP User Manual download pdf (Page 57)

Technical specifications

Eppendorf SOP

English (EN)

9.5 Varispenser / Top Buret

The following specifications for Varispenser and Top Buret are valid for the

following conditions:

9.5.1 Varispenser and Varispenser plus

9.5.2 Top Buret

9.6 Error limits in accordance with EN ISO 8655

The error limits always refer to the overall system: pipette and tip. If the nominal

volume of the pipette lies between two entries in the table, the absolute error

values for the next largest nominal volume apply.

The absolute error limits in µL referring to the nominal volume apply to each

volume which can be set on the piston stroke pipette. The list below includes the

absolute and relative error limits in relation to the volume.

Liquid: Distilled or deionized water

Reference temperature: 20 to 25 °C, ±0.5 °C unchanging

Number of determinations: 10, in accordance with EN ISO 8655

Setting range Tested volume Systematic error

(inaccuracy)

Random error

(imprecision)

0.5 – 2.50 mL 2.5 mL ± 0.6 % ≤ 0.1 %

1.00 – 5.00 mL 5.0 mL ±0.5 % ≤ 0.1 %

2.00 – 10.0 mL 10.0 mL ±0.5 % ≤ 0.1 %

5.00 – 25.0 mL 25.0 mL ±0.5 % ≤ 0.1 %

10.0 – 50.0 mL 50.0 mL ±0.5 % ≤ 0.1 %

20.0 – 100.0 mL 100.0 mL ±0.5 % ≤ 0.1 %

Size Setting range Systematic error

(inaccuracy)

Random error

(imprecision)

C 25 mL ±0.2 % ≤ 0.1 %

H 50 mL ±0.2 % ≤ 0.1 %

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Eppendorf SOP User Manual Page 57