Table 5 Shows the total uncertainty of the all the equipment’s used in the investigation.

From: Machine learning and experimental emission assessment in high temperature air premixed charged compression ignition engines using the Pugh matrix

Device used

Parameter

Method of Measurement

Range

Maximum Uncertainty

Total uncertainty

Temperature indicator (K-type)

Temperature, °C

Electrical wire resistance

0–1,200 °C

±% 1

1.55%

AVL DI

Smoke number

HSU (Hartidge smoke unit)

0–100%

±% 1

1.55%

AVL exhaust gas analyzer

CO

NDIR

0–50 vol%

± 0.3%

1.55%

CO 2

NDIR

0–50 vol%

± 0.3

1.55%

NO X

Electrochemical

0–3,000 ppm

± 0.5%

1.55%

HC

NDIR

0–40,000 ppm

± 0.3

1.55%

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