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Familiarize with Room Comfort Sensor

Room Comfort Sensor is a compact indoor environmental monitoring sensor for the measurement of temperature, humidity, light, CO2 concentration, and TVOC.

This topic will help you familiarize yourself with the interface, button, and indicator of a Room Comfort Sensor.


Supported model: Milesight AM307

Familiarize with the interface

Item Icon Description
Date & Time when the sensor is associated with a gateway, the sensor will automatically sync date and time from the gateway.
CO₂ Threshold Alerts None CO₂ remains in the "Excellent" range.
CO₂ exceeds the threshold of "Polluted".
CO₂ exceeds the threshold of "Bad".
Current CO₂ Index Indicate the current CO₂  concentration (ppm).
CO₂ Levels History Tendency
Show CO2 levels history tendency from 200 to 1500 ppm.
Temperature Show the current temperature.
Humidity Show the current humidity.
Network Connection Status The sensor is connected to the network.
The sensor is NOT connected to the network.
Battery Level Show the battery level of the sensor.
The battery of the sensor is exhausted and needs replacing.
Emoticon Indication CO₂ and TVOC remain in the "Excellent" range.
CO₂ or TVOC exceeds the threshold of "Polluted".
CO₂ or TVOC exceeds the threshold of "Bad".
Light Level

Displays the current light level in 6 different levels:

  • Level 00-5 lux
  • Level 16-50 lux
  • Level 251-100 lux
  • Level 3101-500 lux
  • Level 4501-2000 lux
  • Level 5> 2000 lux
TVOC Threshold Alerts None TVOC remains in the "Excellent" range.
TVOC exceeds the threshold of "Polluted".
TVOC exceeds the threshold of "Bad".
TVOC Levels

Displays the current TVOC level in 6 different levels (IAQ Index):

  • Level 00-50
  • Level 151-100
  • Level 2101-150
  • Level 3151-200
  • Level 4201-250
  • Level 5251-500

Familiarize with button and indicator

Button & Indicator Function Action/Status

Turn on/off the sensor

Press and hold the power button for more than 3 seconds.
Switch screen display mode Press the power button once.
Traffic Light Indicator Indicate the 3 levels of air quality according to threshold setting.
  • Excellent: Blinking Green
  • Polluted: Blinking Orange
  • Bad: Blinking Red

Familiarize with screen display modes

Room Comfort Sensor AM307 provides 3 different screen display modes to best meet your needs. You can simply press the power button once to switch the screen display mode.

Screen display mode Displayed items Illustration
Mode 1
  • Date & Time
  • CO2
  • Temperature
  • Humidity
Mode 2
  • CO2
  • Temperature
  • Humidity
  • TVOC
  • Light
Mode 3
  • Date & Time
  • CO2
  • Temperature
  • Humidity
  • TVOC
  • Light

Last update: September 14, 2022
Created: September 14, 2022