• Libelium Waspmote Temperature, Humidity and Pressure Sensor

The BME280 is a digital temperature, humidity and atmospheric pressure sensor developed by Bosch Sensortec.


Specifications

Electrical characteristics

Supply voltage: 3.3 V
Sleep current typical: 0.1 μA
Sleep current maximum: 0.3 μA

Temperature sensor

Operational range: -40 ~ +85 ºC
Full accuracy range: 0 ~ +65 ºC
Accuracy: ±1 ºC (range 0 ºC ~ +65 ºC)
Response time: 1.65 seconds (63% response from +30 to +125 °C).
Typical consumption: 1 μA measuring

Humidity sensor

Measurement range: 0 ~ 100% of relative humidity (for temperatures \< 0 °C and > 60 °C see figure below)
Accuracy: \< ±3% RH (at 25 ºC, range 20 ~ 80%)
Hysteresis: ±1% RH
Operating temperature: -40 ~ +85 ºC
Response time (63% of step 90% to 0% or 0% to 90%): 1 second
Typical consumption: 1.8 μA measuring
Maximum consumption: 2.8 μA measuring

Pressure sensor

Measurement range: 30 ~ 110 kPa
Operational temperature range: -40 ~ +85 ºC
Full accuracy temperature range: 0 ~ +65 ºC
Absolute accuracy: ±0.1 kPa (0 ~ 65 ºC)
Typical consumption: 2.8 μA measuring
Maximum consumption: 4.2 μA measuring

Measurement process

The BME280 is as combined digital humidity, pressure and temperature sensor based on proven sensing principles. The humidity sensor provides an extremely fast response time for fast context awareness applications and high overall accuracy over a wide temperature range.

The pressure sensor is an absolute barometric pressure sensor with extremely high accuracy and resolution and drastically lower noise.

The integrated temperature sensor has been optimized for lowest noise and highest resolution.

Its output is used for temperature compensation of the pressure and humidity sensors and can also be used for estimation of the ambient temperature.

When the sensor is disabled, current consumption drops to 0.1 μA.

You can find a complete example code for reading the BME280 sensor in the following link:
https://development.libelium.com/scp-v30-05-temperature-humidity-and-pressure-senso/​
Socket

This sensor can be connected in sockets 1, 2, 3, 4 and 5 in Waspmote OEM and sockets A, B, C, E and F in Plug & Sense!.

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Libelium Waspmote Temperature, Humidity and Pressure Sensor

  • Brand: manufacturer
  • Product Code: ZO-1409
  • Availability: Pre-Order
  • 147.00 AED

  • Ex Tax: 140.00 AED