Tus neeg siv phau ntawv

Testo Smart Probes
Page 16 last saved: 2021-12-31
4.9 testo 805i operation principle
testo 805i has a IR sensor, which can recognize surface temperature by IR reflect. Analog signal
from sensor shall be transformed to digital signal by ADC for MCU.
Laser shall be turn on automatically when measuring.
Then MCU control the Bluetooth module to send data to smart phone via Bluetooth and also
received parameter changed and action protocol from smart phone.
Key is use for start ,stop and hold value.
Led is use for indicate status of device.
Red : warning, such as low battery level
Yellow: finding App in smart phone via Bluetooth
Green: communication success.
Testo SE & Co. KGaA
Celsiusstr. 2, 79822 Titisee-Neustadt, Germany
Tel.: [phone]
E-Mail: [e-mail]
www.testo.com