Combined humidity and pressure sensor, 300 to 1100 hPa pressure, -40 to 85°C temperature

Numéro de référence fabricant :


Fabricant Bosch Sensortec

Bosch Sensortec

Description :

The BME280 is an integrated environmental sensor developed specifically for mobile applications where size and low power consumption are key design constraints. The unit combines individual high linearity, high accuracy sensors for pressure, humidity and temperature in an 8-pin metal-lid 2.5 x 2.5 x 0.93 mm3 LGA package, designed for low current consumption (3.6 μA @1Hz), long-term stability and high EMC robustness.

The humidity sensor features an extremely fast response time which supports performance requirements for emerging applications such as context awareness, and high accuracy over a wide temperature range. The pressure sensor is an absolute barometric pressure sensor with features exceptionally high accuracy and resolution at very low noise. The integrated temperature sensor has been optimised for very low noise and high resolution. It is primarily used for temperature compensation of the pressure and humidity sensors, and can also be used for estimating ambient temperature.

The BME280 supports a full suite of operating modes which provides the flexibility to optimise the device for power consumption, resolution and filter performance.

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  • Digital interface
  • Humidity sensor and pressure sensor can be independently enabled / disabled
  • Internal IIR filter
  • Floating point unit
  • -40 to 85°C temperature
  • 300 to 1100 hPa pressure
  • Benefits

  • Context awareness, e.g. skin detection, room change detection
  • Health monitoring / well-being
  • Warning regarding dehydration or heat stroke
  • Spirometry (measurement of lung volume and air flow)
  • Home automation control
  • control heating, venting, air conditioning (HVAC)
  • Internet of things
  • GPS enhancement (e.g. time-to-first-fix improvement, dead reckoning, slope detection)
  • Indoor navigation (change of floor detection, elevator detection)
  • Outdoor navigation, leisure and sports applications
  • Weather forecast
  • Vertical velocity indication (rise/sink speed)
Caractéristiques Produits similaires
Gamme Utilisable d'humidité (% RH) 0 to 100  

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Précision (%) ±3  
Conditions de Précision 20 to 80% RH  
Temps de Réponse 1s at 0 to 90% RH  
Stabilité à Long Terme 10 to 90% RH each year  
Type de Sortie Digital  
Combiné Humidité & Température Yes  
Tension d'alimentation (V) 1.71 to 3.6  
Type de Boîtier 2.5 x 2.5 x 0.93 mm  
Gamme de Température de Fonctionnement (°C) 0 to 85