| Model |
AM307 |
AM308 |
AM319 |
| Wireless Transmission |
Technology |
LoRaWAN® |
| 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 |
OTAA/ABP Class A |
OTAA/ABP Class C |
| Sensors |
|
| Temperature |
Operating Principle |
Digital CMOSens® technology (MEMS) |
| Range |
-20°C – 60°C |
| Accuracy1 |
± 0.2°C |
| Resolution |
0.1°C |
| Humidity |
Operating Principle |
Digital CMOSens® technology (MEMS) |
| Range |
0% – 100% RH |
| Accuracy1 |
± 2% RH |
| 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) |
| Range2 |
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) |
Photoacoustic |
| Range |
400 – 5000 ppm |
400 – 2000 ppm |
| Accuracy |
± (30 ppm + 3 % of reading) (0°C to +50°C) |
± (50 ppm + 5 % of reading) (-10°C to +60°C) |
| Resolution |
1 ppm |
1 ppm |
| PM2.5 & PM10 |
Operating Principle |
— |
Laser Scattering |
| Range |
— |
0 – 1000 μg/m3 |
| Accuracy |
— |
0-100(±10μg/m3), 100-1000(±10 %) (-10°C to +60°C) |
| Resolution |
— |
1 μg/m3 |
| Formaldehyde (HCHO)1 |
Operating Principle |
— |
— |
Electrochemical |
| Range |
— |
— |
0 – 1.25 mg/m3 |
| Accuracy |
— |
— |
±10 % |
| Resolution |
— |
— |
0.01 mg/m3 |
| Working Life |
|
|
6 Years |
| Ozone (O3)1 |
Operating Principle |
— |
— |
Electrochemical |
| Range |
— |
— |
0 – 10 ppm |
| Accuracy |
— |
— |
±5 % FS |
| Resolution |
— |
— |
0.01 ppm |
| Working Life |
|
|
2 Years |
| Display & Configuration |
Display |
4.2-inch Black & White E-Ink Screen |
| Button |
1 × Power Button + 1 × Reset Button |
| LED & Buzzer |
1 × Traffic Light Status Indicator + 1 × Buzzer |
| Configuration |
1. Mobile App via NFC 2. PC software via NFC or USB Type-C port |
| Physical Characteristics |
Power Supply |
1. 4 × 2700 mAh ER14505 Li-SOCl2 Replaceable Batteries 2. 5V/1A by Type-C Port |
5V/1A by Type-C Port |
| Battery Life2 (10 min interval) |
Around 3 Years |
Around 1 Year |
— |
| Operating Temperature |
-20°C – 60°C (E-Ink Screen: 0°C – 40°C) |
| Relative Humidity |
10% – 90% (non-condensing) |
| Ingress Protection |
IP30 |
| Dimension |
100.8 × 114 × 22 mm (3.97 × 4.49 × 0.87 in) |
| Installation |
3M Tape Mounting, Wall Screw Mounting, 86 Box Mounting |
| Approvals |
Regulatory |
CE, RoHS |
