55°F/12.8°C and 95°F/35°C, relative humidity 5%-95% and atmospheric pressure 700 – 1060hPa. When performing a scan, the exam area temperature needs to be stable. Doors or entryways should be closed, any direct sunlight muted and the exam area needs to be free of any cooling or warming air currents. This does not mean that you must block all sunlight or turn off the heat or air conditioning in the exam area. Sunlight should not be directly on the neuroTHERMAL and the exam area should not be in the immediate vicinity of heating or air conditioning vents.