BRAND Dispensette S Instrucciones De Manejo página 66

6 Error limits
6 Error limits
20 °C
!
Ex
Error limits
Nominal volume ml
1
2
5
10
25
50
100
V
N
A
=
T
V
T
i.e.
V
N
V = 50% N
P
V = 10% N
P
*A = Accuracy, CV = Coefficient of Variation
The error limits in DIN EN ISO 8655-5 are significantly lower. The maximum error for a single measure-
ment can be approximated from the sum of error limits EL = A + 2 × CV (for 25 ml: 125 µl+ 2 x µl= 175
µl).
66
Operating manual
Error limits in relation to the nominal capacity (= maximum
volume) indicated on the instrument at equal temperature
(20 ºC/68 °F) of instrument, ambient environment and dis-
tilled water. Testing takes place according DIN EN ISO 8655-
6 with a completely filled instrument and with uniform and
smooth dispensing.
A* ≤± %
0.5
0.5
0.5
0.5
0.5
0.5
0.5
Partial volume
The percentage values for A and CV are relative to the nomi-
.
A
N
nal volume (V
(V ).
T
Volume A* ≤± %
25.0 0.5
12.5 1.0
2.5 5.0
μl
5
10
25
50
125
250
500
) and must be converted for partial volumes
N
μl
125
125
125
NOTICE
CV* ≤% μl
0.1 1
0.1 2
0.1 5
0.1 10
0.1 25
0.1 50
0.1 100
CV* ≤% μl
0.1 25
0.2 25
1.0 25
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