SONOFF AirGuard Smart Temperature and Humidity Sensor

20,90 €
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Product code: 505791-1
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The SONOFF AirGuard smart sensor accurately monitors temperature, humidity and atmospheric pressure indoors. By calculating the dew point and VPD, communicating via Zigbee 3.0 and enabling smart automations, it helps maintain a comfortable and healthy environment at home or in a greenhouse.

SONOFF AirGuard is a compact sensor for real-time indoor climate monitoring. It measures temperature, relative humidity and atmospheric pressure, while also calculating the dew point and VPD value. This gives you an overview of the conditions in the living room, children's room, bathroom or greenhouse.

With temperature measurement accuracy of ±0.2 °C, humidity accuracy of ±2% RH and pressure accuracy of ±0.1 hPa, the sensor can detect even small changes in the environment. You can set custom limits for the measured values in the app and receive notifications when they are exceeded.

Communication via Zigbee 3.0 enables connection to a compatible Zigbee hub and the creation of smart home automations. Based on the current values, you can automatically control a fan, humidifier, air conditioner or window opener, for example. The CR2477 battery provides more than two years of operation, and the package includes accessories for easy installation.

  • 5-in-1 measurement: temperature, humidity, pressure, dew point and VPD
  • Zigbee automation: other smart devices respond to the measured conditions
  • Instant notifications: when set limits are exceeded
  • Compact design: suitable for a shelf, wall, room corner or ceiling

Specifications

Manufacturer
SONOFF
Product series
AirGuard Series
Model
SNZB-02M
Product type
Smart temperature, humidity and atmospheric pressure sensor
Wireless connection
Zigbee 3.0 IEEE 802.15.4
Required accessory
Zigbee hub
Power supply
1× CR2477 battery
Supply voltage
3.0 V ⎓
Battery life
More than 2 years
Net weight
27.3 g including battery
Housing material
PC
Colour
White
Dimensions
45 × 45 × 17.6 mm
Temperature measurement accuracy
±0.2 °C
Humidity measurement accuracy
±2% RH
Pressure measurement accuracy
±0.1 hPa
Operating pressure range
700–1100 hPa
Operating temperature
-20 °C to 60 °C
Operating humidity
5–95% RH, non-condensing
Operating environment
Indoor
Certifications
CE / FCC / RoHS
Package contents
SONOFF temperature and humidity sensor, CR2477 battery, metal mounting plate, 3M double-sided adhesive tape, mounting screw, key, user manual
20,90 €