To study the temperature field of the resistor a high-speed focal plane
array radiometer containing 75 kpixels was utilized. The measurement
resolution was 0.03 C with a standard measurement accuracy
of ±2 C for the range of 0–100 C and ±2% above 100 C. In
an isolated laboratory environment using an appropriate black
body, improved calibration and non-uniformity-correction are possible,
therefore an accuracy of ±1 K can be achieved. Using microscopic
lens and reduced array size, IR measurements can be
taken at up to 800 Hz with a 30 lm spatial resolution.