Features:
- Indoor weather monitoring including carbon dioxide detection
- 4.9" LCD display & Built-in Wi-Fi gateway
- Time, temperature & humidity, barometric, CO₂ PPM Level
- Compatible with more sensors: WS90, WS69, WS68, WS80, WH40, WN31(max.8),
WH51(max.8), WH41/WH43(max.4), WH45, WH57, WH55(max.4), WN34 S/L(max.8), WN35(max.8), WFC01/AC1100(max.16) - Wi-Fi connecting, and upload to weather station servers (wunderground, weathercloud, weatherObservationswebsite)
- DC power supply, supports backlight brightness adjustment
Overview of Display:
① Time
②Indoor Temp/Relative Humidity and Shared with Soil Moisture, Leaf Sensor
③ Signal Icon
④ WN31 Temperature
⑤ Channel Number
⑥ WN31 Humidity
⑦ WN31 MAX&MIN Humidity
⑧ WN31 MAX&MIN Temperature
⑨ Power Status
⑩ CO₂ PPM Level
⑪ Wi-Fi Icon
Specifications of Display:
Measurement | Range | Accuracy | Resolution | Working condition |
Barometric | 300 to 1100 hPa (8.85 to 32.5 inHg) |
Absolute pressure: ±1.5hpa; Relative pressure: ±2hpa |
0.1hPa (0.01 inHg) | Recommend |
Temperature (Indoor) | 0°C to 50°C (32°F to 122°F) | ± 0.2°C (± 0.4°F) | 0.1°C (0.1°F) | Recommend |
-40°C to 60°C (-40°F to 140°F) | ± 0.6°C (± 1.0°F) | 0.1°C (0.1°F) | LCD display or CO2 could fail | |
Humidity (Indoor) | 30% to 70% | ± 1.8% | 1% |
Recommend |
1% to 99% | ± 3% | Normal | ||
CO2 | 0 to 40000 ppm | ± (50 ppm + 5% of reading) | 1ppm | Recommend |
Power supply: 5V ⎓ 1.0A 5.0W
Backup power: 2 x AA batteries (Support Min. 24 hours working)
Specifications of WN31 Sensor:
Measurement | Range | Accuracy | Resolution | Working condition |
Temperature | 0°C to 60°C (32°F to 140°F) | ± 0.3°C | 0.1°C | Recommend |
-40°C to 0°C (-40°F to 32°F) | ± 1°C | Battery may not work | ||
Humidity | 10% to 90% |
± 5% |
1% |
Recommend |
1% to 99% | ± 7% | Normal |
Sensor (backup): 2 x AA 1.5V battery (not included)
RF Transmission:
Transmission distance in open field: 150 m (500 ft.) depending on environment
RF frequency: 433/868/915 MHz depending on location
Sensor reporting interval: 61 seconds
Wi-Fi Transmission:
Transmission distance in open field: 50 m (165 ft.) depending on router and environment
RF Frequency: 2.4 GHz
WLAN and Ethernet: 802.11 b/g/n (802.11n, Max 150 Mbps)
Updates on the Internet: Customize 1-5 minutes (recommend 1 minute)
Parts List:
1* WN31 Sensor
1* WN1821 Display (Console)
1* USB to 2.5*0.7mm DC 5V power cord for display
Packaged information:
Weight: 500g
Battery: N/A
Compatibility Instructions
for all ecowitt network consoles
Please follow the table to make sure you choose the right sensors and concoles before check out.
Note: The "1/4/8/16" means 1 console supports 1/4/8/16 sensors
( excluding accessories )