Fluke vt04a visual ir thermometer with soft case fluke 4485211 p the fluke vt04a is a visual ir thermometer that detects issues instantly by combining a built in digital camera with a thermal heat map overlay and offers a variety of benefits for the user p p the near or far mode automatically aligns the visual and thermal lenses even from as close as 15cm capture accurate temperature readings without taking your eyes off the screen the centre measurement box shows the exact area of te