Table 4 Uncertainty range of several instruments used in the experiments.

From: Performance and emission prediction using ANN (artificial neural network) on H2-assisted Garcinia gummi-gutta biofuel doped with nano additives

Sl. No.

Used instruments

Measured range

Accuracy value

Percentage of uncertainty

1

Tachometer

0–10,000 rev/min

± 10 rpm

0.2

2

Manometer

0–200 mm

± 1 mm

1

3

Pressure transducer

0–110 bar

± 0.1 bar

0.2

4

Stopwatch

–

± 0.5 s

0.1

5

Exhaust gas temperature

0–900 ºC

± 1 ºC

0.12

6

Smoke meter

0–100 HSU

± 0.1 HSU

1

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