a piece of equipment used to detect or provide images of people or things
Suspecting that high-intensity lights were being used to grow marijuana inside, theofficers were using a thermal imager that can detect heat seeping through walls.
Examples of 'thermal imager' in a sentence
thermal imager
Of the occupants, no sign, hence the chopper, scouring the gorse with a thermal imager.
Times, Sunday Times (2009)
The thermal imager can detect a seal up to two miles away, showing it as a little white blob on a sand bank or rock.
Times, Sunday Times (2007)
An aircraft, fitted with a military-style thermal imager, flew over the borough 17 times to take pictures of almost every house in the area.