Digoo DG-PC809, User Manual

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3
3.3 Principle
The infrared temperature sensor collects infrared energy emitted by the eardrum in
the ear canal or the skin of forehead. After being focused by a lens, the infrared energy
is converted into a temperature reading by the thermopiles and measurement circuits.
Fig. 1 Fig. 2
3.4 Features

Quick measurement, only 1 second

Accurate and reliable

One button design, easy to operate

Both forehead and ear measurement mode

32 sets of memory, easy to recall

Switch degrees Celsius (
℃
) and Fahrenheit (
℉
)

Turn on or off thebuzzer/speaker/vibrationfunction

Lighting an orange LED, intelligent low fever alarm

Lighting a red LED, intelligent high fever alarm

Automatic shutdown, energy saving
3.5 Components
The infrared thermometer consists of a shell, a LED display screen, a button, a