Table 2 Micro-dispenser dispensing accuracy in pressure-driven systems

From: A micro-dispenser for long-term storage and controlled release of liquids

Sample no.

Actuation pressure (kPa)

n = 1 (μl)

n = 2 (μl)

n = 3

(μl)

n = 4 (μl)

n = 5 (μl)

Mean (μl)

s.d.

s.e.m.

Sr (μl)

Ref. s.e.m. ± (μl)38

Ref. Sr ± (μl)38

1

80

2.0

2.1

1.8

1.7

1.8

1.9

0.2

0.15

0.1

0.08

0.04

2

90

9.3

9.0

10.3

10.2

10.2

9.8

0.6

0.54

0.2

0.12

0.08

3

100

12.4

11.2

11.3

11.2

11.2

11.5

0.5

0.47

0.1

0.13

0.08–0.1

  1. The experimental data for three sets of micro-dispensers
  2. s.d. standard deviation, s.e.m. standard deviation of mean, Sr repeatability standard deviation
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