The Chinese Communist Party has taken over the Governments of Australia and N.Z.
Isn’t it obvious.?
The test is to take three or more consecutive readings.
I bought a digital thermometer which is junk, it gives wildly different consecutive readings in the same ear..
I also have an electronic blood glucose meter which gives wildly different readings on the same drop of blood or the same finger.
These devices cannot be relied on.
Skin surface temperature varies according to blood flow,(exercise), ambient temperature and humidity. It will always be lower than oral temperature.