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20 Technical data
20 Technical data
20.1 Accuracy table
The measurements were carried out with BRAND PD-Tips II.
Distilled water was used as the test liquid.
The nominal volume is the maximum volume printed on the PD-Tip.
The tolerances specified in ISO 8655 are not exceeded.
PD
Volume
tip
range
0.1 ml
1 µl ... 100 µl
0.5 ml
5 µl ... 500 µl
1 ml
10 µl ...1 ml
1.25 ml 12.5 µl ... 1.25
ml
2.5 ml
25 µl ... 2.5 ml
5 ml
50 µl ... 5 ml
10 ml
100 µl ... 10 ml
12.5 ml 125 µl ... 12.5
ml
25 ml
250 µl ... 25 ml
50 ml
500 µl ... 50 ml
20.2 Limitations of use
Operating range *)
Vapor pressure
Viscosity
*) Additional temperatures upon request
20.3 Materials used
Device
Tips/flasks
100
Operating manual
Accuracy A*
Volume
Nomi-
steps
nal
vol-
ume
0.1 µl
1
0.1 µl
0.9
1 µl
0.6
0.5 µl
0.6
1 µl
0.5
1 µl
0.5
10 µl
0.4
5 µl
0.5
10 µl
0.5
10 µl
0.5
15 °C ... 40 °C
(59 °F ... 104 °F)
Up to 500 mbar
20 mPa s at 50 ml PD-Tip
260 mPa s at 5 ml PD-Tip
977 mPa s at 1.25 ml PD-Tip
PC/PBT, PP, silicone, glass, PEEK
PE/PP (size 0.1 mm LCP/PP)
Variation coefficient VC
± %
≤
%
≤
Nomi-
50
10 %
1
nal
%
%
vol-
ume
1
1.6
8
0.5
0.9
1
5
0.3
0.9
1
5
0.3
0.6
0.9
5
0.2
0.6
0.7
3.5 0.15
0.5
0.7
3.5 0.15
0.5
0.7
3.5 0.15
0.5
0.8
3.5 0.15
0.5
0.6
3
0.15
0.5
0.5
3
0.15
HandyStep® touch, HandyStep® touch S 997486
50
10
1
%
%
%
1
2
12
0.6
1
5
0.5
0.8
4
0.5
0.7
4
0.3
0.6
3
0.4
0.7
3
0.5
0.8
4
0.6
1.4
6.5
0.3
1.0
6
0.4
1.2
9
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