Figure 4: Temperature rise as a function of time for transformer oil with 28 ppm dissolved acetylene.
From: Laser Calorimetry Spectroscopy for ppm-level Dissolved Gas Detection and Analysis

The laser current is 131.6 mA.
From: Laser Calorimetry Spectroscopy for ppm-level Dissolved Gas Detection and Analysis

The laser current is 131.6 mA.