9-in-1 IAQ Sensor
More Knowing. Less Guessing.

More Knowing. Less Guessing.
AM307/AM308/AM319 is a comprehensive IAQ sensor for detecting CO2 concentration, temperature, humidity, light, HCHO/O3 level, TVOC, barometric pressure, PM2.5, PM10 and motion.
Milesight AM319 9-in-1 IAQ Sensor has officially earned the coveted Works with WELL mark.
“The Works with WELL program, introduced by IWBI earlier this year in response to the increasing demand for healthier building products and solutions, allows product manufacturers and service providers to validate and demonstrate how their offerings align with requirements in the WELL Building Standard (WELL).“ - IWBI
* WORKS WITH WELL is a trademark of International WELL Building Institute PBC and used by those product manufacturers granted permission by International WELL Building Institute (IWBI) following IWBI's license criteria validation process.
Check Milesight AM300 in Directory from Works with WELL ProgramWith province-wide LoRaWAN® IAQ solution deployment, students and staff in Quebec's public schools are now in a healthier learning environment with more helpful insights. Check how Milesight has made it happen!
Learn MoreIntegrated 9 types of sensor to measure various ambience conditions
Placement for temperature and humidity sensors is designed to isolate the heat generated when the chip is operating.
Selection for HCHO sensor is dedicated to stable reading, particularly in its resistance to alcohol.
AM307/AM308/AM319
With E-ink Screen
More Interactive Features on Screen
AM308L
Without E-ink Screen
Longer Battery Life
Monitor and display real-time data on what matters in your indoor air quality.
AM307/AM308/AM319 equips with a 4.2-inch E-ink screen to show the real-time ambience conditions in many ways.
Multiple Display Styles
Light/Dark Color Theme
At Milesight, we help you and your people to live in a safer and healthier facilities. Towards that end, real-time data about air quality is essential. And that starts with our one-stop solution for indoor air quality (IAQ)
Learn MoreWhen PIR value is 0 (Vacant) and last for 20 mins, the screen will stop updating to save power.
*4 × 2700 mAh ER14505 Li-SOCl2 Replaceable Batteries
**AM307/AM308(L) can also be powered via Type-C.
Data can be stored in the device and cannot be manually deleted, further securing the traceability of the reported information.
With support for data retransmission,the device guarantees that the web server gets all the data even if the network is down occasionally.
Milesight Development Platform
Milesight Development Platform simplifies device deployment and management and offers RESTful APIs for data interchange, webhooks to trigger external actions, centralized management of applications, and comprehensive documentation for crafting custom IoT solutions, helping system integrators and solution providers jump-start IoT projects.
Learn MoreSwitching On/Off & Configuring the Devices Wirelessly
Install the
Milesight ToolBox
Enable NFC and run ToolBox,
then attach your phone to the device
Verify the password
and start configuring
Anti-theft Design
Fixed by 3M Tape
Wall Mounting
| Wireless Transmission | |
|---|---|
| Technology | LoRaWAN® |
| Antenna | Internal Antenna |
| Frequency | CN470/RU864/IN865/EU868/US915/AU915/KR920/AS923-1&2&3&4 |
| Tx Power | 16dBm(868MHz)/22dBm(915MHz)/19dBm(470MHz) |
| Sensitivity | -137dBm @300bps |
| Work Mode | OTAA/ABP Class A |
| Sensors | |
| Temperature | |
| Operating Principle | Digital CMOSens® technology (MEMS) |
| Range | -20°C~60°C |
| Accuracy | Typ. ±0.3°C (-20°C ~ 0°C), ± 0.2°C (0°C ~ 60°C) |
| Resolution | 0.1°C |
| Humidity | |
| Operating Principle | Digital CMOSens® technology (MEMS) |
| Range | 0% ~ 100% RH |
| Accuracy | Typ. ± 2% RH (25°C) |
| Resolution | 0.5% RH |
| Motion | |
| Operating Principle | Passive infrared (PIR) |
| Detection Range | 80 ° Horizontal, 55 ° Vertical, 5m |
| Status | Vacant/Occupied |
| Light | |
| Operating Principle | Photodiode |
| Range | 0-60000 Lux (Determine as 6 levels, 0-5) |
| TVOC | |
| Operating Principle | MOX (MEMS) |
| Range1 | 1.00 ~ 5.00 (IAQ Rating) |
| Accuracy | ±1 |
| Resolution | 0.01 |
| Barometric Pressure | |
| Operating Principle | Piezoresistive absolute pressure sensor (MEMS) |
| Range | 260 - 1260 hPa |
| Accuracy | ±0.5 hPa |
| Resolution | 0.1 hPa |
| Carbon Dioxide (CO2) | |
| Operating Principle | Nondispersive Infrared (NDIR) |
| Range | 400 ~ 5000 ppm |
| Accuracy | ± (30 ppm + 3 % of reading) (0°C~ 50°C, 0% to 85%RH) |
| Resolution | 1 ppm |
| PM2.5 & PM10 | |
| Operating Principle | — |
| Range | — |
| Accuracy | — |
| Resolution | — |
| Other Interfaces | |
| Display | AM307 & AM308: 4.2-inch Black & White E-Ink Screen AM308L: Not Support |
| Button | 1 × Power Button + 1 × Reset Button |
| LED & Buzzer | 1 × Traffic Light Status Indicator + 1 × Buzzer |
| USB | 1 × Type-C Port for Power Supply, Configuration or Console |
| Software | |
| Configuration | 1. Mobile App via NFC 2. PC software via NFC or USB Type-C port 3. Downlink |
| Advanced Features | Calibration, Threshold Alarm, Data Storage (18, 000 entries), Data Retrievability, Data Retransmission, Smart Screen Mode, Button Lock |
| Physical Characteristics | |
| Power Supply | 1. 4 × 2700 mAh ER14505 Li-SOCl2 Replaceable Batteries 2. 5V/1A by Type-C Port |
| Battery Life2 | Around 3.9 Years (SF7, EU868 &US915) |
| (10 min interval, 25°C) | Around 3.1 Years (SF10, EU868) Around 2 Years (SF10, US915) |
| Operating Temperature | -20°C - 60°C (E-Ink Screen: 0°C - 40°C) |
| Relative Humidity | 10% - 90% (non-condensing) |
| Ingress Protection | IP30 |
| Housing&Color | ABS (UL94 HB), White |
| Weight | 182.5g (With Batteries) |
| Dimension | 100.8 × 114 × 22 mm (3.97 × 4.49 × 0.87 in) |
| Installation | Wall Mounting via 3M Tape or Screws |
| Approvals | |
| Regulatory | CE, FCC, ISED, RED |
| Environmental | RoHS |
1Reference to IAQ rating guideline (conversion from mg/m3 to ppm by the factor is about 0.5):
22.The battery life is tested under laboratory conditions and for guideline purposes only.
| Wireless Transmission | |
|---|---|
| Technology | LoRaWAN® |
| Antenna | Internal Antenna |
| Frequency | CN470/RU864/IN865/EU868/US915/AU915/KR920/AS923-1&2&3&4 |
| Tx Power | 16dBm(868MHz)/22dBm(915MHz)/19dBm(470MHz) |
| Sensitivity | -137dBm @300bps |
| Work Mode | OTAA/ABP Class A |
| Sensors | |
| Temperature | |
| Operating Principle | Digital CMOSens® technology (MEMS) |
| Range | -20°C~60°C |
| Accuracy | Typ. ±0.3°C (-20°C ~ 0°C), ± 0.2°C (0°C ~ 60°C) |
| Resolution | 0.1°C |
| Humidity | |
| Operating Principle | Digital CMOSens® technology (MEMS) |
| Range | 0% ~ 100% RH |
| Accuracy | Typ. ± 2% RH (25°C) |
| Resolution | 0.5% RH |
| Motion | |
| Operating Principle | Passive infrared (PIR) |
| Detection Range | 80 ° Horizontal, 55 ° Vertical, 5m |
| Status | Vacant/Occupied |
| Light | |
| Operating Principle | Photodiode |
| Range | 0-60000 Lux (Determine as 6 levels, 0-5) |
| TVOC | |
| Operating Principle | MOX (MEMS) |
| Range1 | 1.00 ~ 5.00 (IAQ Rating) |
| Accuracy | ±1 |
| Resolution | 0.01 |
| Barometric Pressure | |
| Operating Principle | Piezoresistive absolute pressure sensor (MEMS) |
| Range | 260 - 1260 hPa |
| Accuracy | ±0.5 hPa |
| Resolution | 0.1 hPa |
| Carbon Dioxide (CO2) | |
| Operating Principle | Nondispersive Infrared (NDIR) |
| Range | 400 ~ 5000 ppm |
| Accuracy | ± (30 ppm + 3 % of reading) (0°C~ 50°C, 0% to 85%RH) |
| Resolution | 1 ppm |
| PM2.5 & PM10 | |
| Operating Principle | Laser Scattering |
| Range | 0 ~ 1000 μg/m3 |
| Accuracy | 0~100(±10μg/m3), 100~1000(±10 %) (-10°C~ 60°C) |
| Resolution | 1 μg/m3 |
| Other Interfaces | |
| Display | AM307 & AM308: 4.2-inch Black & White E-Ink Screen AM308L: Not Support |
| Button | 1 × Power Button + 1 × Reset Button |
| LED & Buzzer | 1 × Traffic Light Status Indicator + 1 × Buzzer |
| USB | 1 × Type-C Port for Power Supply, Configuration or Console |
| Software | |
| Configuration | 1. Mobile App via NFC 2. PC software via NFC or USB Type-C port 3. Downlink |
| Advanced Features | Calibration, Threshold Alarm, Data Storage (18, 000 entries), Data Retrievability, Data Retransmission, Smart Screen Mode, Button Lock |
| Physical Characteristics | |
| Power Supply | 1. 4 × 2700 mAh ER14505 Li-SOCl2 Replaceable Batteries 2. 5V/1A by Type-C Port |
| Battery Life2 | Around 1.3 Years (SF7, EU868 & US915) |
| (10 min interval, 25°C) | Around 1.2 Years (SF10, EU868) Around 1 Year (SF10, US915) |
| Operating Temperature | -20°C - 60°C (E-Ink Screen: 0°C - 40°C) |
| Relative Humidity | 10% - 90% (non-condensing) |
| Ingress Protection | IP30 |
| Housing&Color | ABS (UL94 HB), White |
| Weight | 222.6g (With Batteries) |
| Dimension | 100.8 × 114 × 22 mm (3.97 × 4.49 × 0.87 in) |
| Installation | Wall Mounting via 3M Tape or Screws |
| Approvals | |
| Regulatory | CE, FCC, ISED, RED |
| Environmental | RoHS |
1Reference to IAQ rating guideline (conversion from mg/m3 to ppm by the factor is about 0.5):
22.The battery life is tested under laboratory conditions and for guideline purposes only.
| Wireless Transmission | |
|---|---|
| Technology | LoRaWAN® |
| Antenna | Internal Antennas |
| Frequency | CN470/RU864/IN865/EU868/US915/AU915/KR920/AS923-1&2&3&4 |
| Tx Power | 16dBm(868MHz)/22dBm(915MHz)/19dBm(470MHz) |
| Sensitivity | -137dBm @300bps |
| Work Mode | OTAA/ABP Class C |
| Sensors | |
| Temperature | |
| Operating Principle | Digital CMOSens® technology (MEMS) |
| Range | -20°C~60°C |
| Accuracy | Typ. ±0.3°C (-20°C ~ 0°C), ± 0.2°C (0°C ~ 60°C) |
| Resolution | 0.1°C |
| Humidity | |
| Operating Principle | Digital CMOSens® technology (MEMS) |
| Range | 0% ~ 100% RH |
| Accuracy | Typ. ± 2% RH (25°C) |
| Resolution | 0.5% RH |
| Motion | |
| Operating Principle | Passive infrared (PIR) |
| Detection Range | 80 ° Horizontal, 55 ° Vertical, Maximum 5m |
| Status | Vacant/Occupied |
| Light | |
| Operating Principle | Photodiode |
| Range | 0-60000 Lux (Determine as 6 levels, 0-5) |
| TVOC | |
| Operating Principle | MOX (MEMS) |
| Report Mode1 | IAQ Rating or Concentration Value |
| IAQ Rating | Range: 1.00 - 5.00 Accuracy: ±1 Resolution: 0.01 |
| Concentration | Range: 0 - 2000 μg/m3 Accuracy: 20 μg/m3 ±15% of readings (1 - 500 μg/m3) Resolution: 1 μg/m3 |
| Barometric Pressure | |
| Operating Principle | Piezoresistive absolute pressure sensor (MEMS) |
| Range | 260 - 1260 hPa |
| Accuracy | ±0.5 hPa |
| Resolution | 0.1 hPa |
| Carbon Dioxide (CO2) | |
| Operating Principle | Photoacoustic |
| Range | 400 ~ 2000 ppm |
| Accuracy | ± (50 ppm + 5 % of reading) (-10°C~ 60°C) |
| Resolution | 1 ppm |
| PM2.5 & PM10 | |
| Operating Principle | Laser Scattering |
| Range | 0 ~ 1000 μg/m3 |
| Accuracy | 0~100(±10μg/m3), 100~1000(±10 %) (-10°C~ 60°C) |
| Resolution | 1 μg/m3 |
| Formaldehyde (HCHO)2 | |
| Operating Principle | Electrochemical |
| Range3 | 0 ~ 1.25 mg/m3 |
| Accuracy | ±10 % |
| Resolution | 0.01 mg/m3 |
| Working Life | 6 Years |
| Ozone (O3)2 | |
| Operating Principle | Electrochemical |
| Range | 0 ~ 10 ppm |
| Accuracy | ±5 % FS |
| Resolution | 0.01 ppm |
| Working Life | 2 Years |
| Other Interfaces | |
| Display | 4.2-inch Black & White E-Ink Screen |
| Button | 1 × Power Button + 1 × Reset Button |
| LED & Buzzer | 1 × Traffic Light Status & Alarm Indicator + 1 × Buzzer |
| USB | 1 × Type-C Port for Power Supply, Configuration or Console |
| Software | |
| Power On/Off | 1. Mobile App via NFC 2. PC software via NFC or USB Type-C port 3. Power Button |
| Configuration | 1. Mobile App via NFC 2. PC software via NFC or USB Type-C port 3. Downlink |
| Advanced Features | Calibration, Threshold Alarm, Data Storage (18,000 entries), Data Retrievability, Data Retransmission, Smart Screen Mode, Button Lock |
| Physical Characteristics | |
| Power Supply | 5V/1A by Type-C Port |
| Operating Temperature | -20°C - 60°C (E-Ink Screen: 0°C - 40°C) |
| Relative Humidity | 10% - 90% (non-condensing) |
| Ingress Protection | IP30 |
| Housing & Color | ABS (UL94 HB), White |
| Weight | 148g |
| Dimension | 100.8 × 114 × 22 mm (3.97 × 4.49 × 0.87 in) |
| Installation | Wall Mounting via 3M Tape or Screws |
| Approvals | |
| Regulatory | CE, FCC, ISED, RED |
| Environmental | RoHS |
1Reference to IAQ rating guideline (conversion from mg/m3 to ppm by the factor is about 0.5):
2HCHO or O3 sensor is alternative option and both support replacement.
3For HCHO at 760 mmHg and 20°C, 1 ppm = 1.25 mg/m3.
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