Detection of Dissolved Carbon Monoxide in Transformer Oil Using 1.567 m Diode Laser-Based Photoacoustic Spectroscopy

Table 1

Measurement results detected by PAS and GA.

CO concentration	PAS (L/L)	GA (L/L)	Detection error (%)
Sample 1	5019.4	5003.8	0.31
Sample 2	2012.7	2000.6	0.61
Sample 3	1011.5	1002.3	0.92
Sample 4	860.9	851.7	1.08
Sample 5	682.1	673.9	1.22
Sample 6	559.8	550.2	1.75