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SenseCAP Wireless Barometric Pressure Sensor – LoRaWAN

SenseCAP Wireless Barometric Pressure Sensor measures atmospheric pressure, featuring high-precision, stability, and high EMC robustness. It’s designed with an air pressure sensor, a custom battery, and an industry-grade enclosure, optimized for outdoor use cases that need reliable data collection over years.

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About SenseCAP

Among the first launch of Seeed industrial IoT (IIoT) product series, SenseCAP is focusing on wireless environmental sensing applications: smart agriculture, precision farming, and smart city, to name a few. It consists of hardware products (sensors, data-loggers & gateways, etc.), software services (SenseCAP portal, mobile App, open dashboard), and API for device & data management. SenseCAP supports different communication protocols, such as LoRa, 2G, 4G, NB-IoT, and more.


SenseCAP Wireless Barometric Pressure Sensor measures atmospheric pressure in the range of 300~1100 hPa. Featuring high-precision, stability, and high EMC robustness, this sensor is suitable for industrial applications such as weather stations, outdoor farms, tea plantations, greenhouses, and more.

This device incorporates a built-in LoRa transmitter based on SX1276 for long-range transmission, a barometric sensor, and a custom battery. It is specifically designed and optimized for use cases powering end devices by batteries for years. To minimize the power consumption, the device wakes up, transmits the collected air pressure data to the gateway, and then goes back to sleep.

Under the best of circumstances, the battery is expected to last for more than 8 years, depending on the environmental factors and data transmission intervals. Please kindly note that the default interval is once per hour. If you’d like to change the data upload interval, please refer to this document.

To fit in adverse conditions, this sensor is designed with industry standards and equipped with an IP66 waterproof enclosure, protecting the device from UV radiation, rain, and sunlight exposure.

SenseCAP Sensor Node adopts a modular design, integrating the data-logger with the sensor probe, which is replaceable by other SenseCAP sensors.

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SenseCAP Sensor is fully compliant with LoRaWAN specifications and can be used with standard LoRaWAN gateways. Please choose the corresponding gateway according to the sensor frequency. Seeed also provides SenseCAP LoRaWAN Gateway for you to use with SenseCAP Sensors seamlessly without extra huge workload for provisioning.


System Architecture

SenseCAP Architecture

System Architecture

SenseCAP Sensor + Other LoRaWAN Gateway Architecture

Other System Architecture


  • Support LoRaWAN protocol Class A
  • High reliability and stability
  • Ultra-wide-distance transmission: 10km in line of sight scene, 2 km in urban scenes
  • Battery life ≥ 8 years
  • IP66 enclosure, suitable for outdoor applications
  • Rapid installation and deployment (see the video below)



  • Smart Agriculture
  • Smart Building and Industrial Control
  • Environmental Monitoring
  • Other Wireless Sensing Applications

User Cases

SenseCAP has been deployed in different application scenarios including tea plantations, greenhouses, outdoor triticale farms and weather stations, etc., Please see more info below.


Barometric Pressure
Range300~1100 hPa
Resolution1 Pa
Relative Accuracy700 to 900 hPa
25 to 40 ℃
±0.12 hPa
Absolute Accuracy300 to 1100 hPa
-20 to 0 ℃
±1.7 hPa
Absolute Accuracy300 to 1100 hPa
0 to 65 ℃
±1.0 hPa
Temperature Coefficient Offset900 hPa
25 to 40 °C
1.5 Pa/K
Drift±1.0 hPa/year
General Parameters
Product FrequencyEU868, US915
MicrocontrollerUltra-low-power MCU
Support ProtocolBased on LoRaWAN v1.0.2 protocol
LoRa Channel PlanEU868, US915
LoRa Power Output16 dBm (EIRP)
Sensitivity-137.5dBm(SF12, BW125KHz)
Current Consumption5 μA (sleep mode)
120 mA max(active mode)
Communication Distance2 to 10 km (depending on different antennas and environments)
IP RatingIP66 (Sensor Node); IP65 (Sensor Probe)
UV Resistanceanti-aging (from rain/sun exposure): UL746C F1
Enclosure MaterialPC
Operating Temperature-40 to +85 ℃ (full accuracy: 0 to 65℃)
Operating Humidity0 to 100 %RH (non-condensing)
Device Weight237g
CertificationCE, FCC, RoHS
Battery (Contained in equipment)
Battery Life≥ 3 year (upload data once per hour)
Battery Voltage3.6V
Battery Capacity19Ah (non-rechargeable)

LoRa Frequency

The device is designed with a fixed LoRa channel, which can not be modified by users. The supported channels are as follows. Please refer to this document for how to connect this device with a LoRaWAN gateway.

LoRa Channel Plan for EU868
Uplink (MHz)868.1 – SF7BW125 to SF12BW125
868.3 – SF7BW125 to SF12BW125 and SF7BW250
868.5 – SF7BW125 to SF12BW125
867.1 – SF7BW125 to SF12BW125
867.3 – SF7BW125 to SF12BW125
867.5 – SF7BW125 to SF12BW125
867.7 – SF7BW125 to SF12BW125
867.9 – SF7BW125 to SF12BW125
Downlink (MHz)Uplink channels 1-8 (RX1)
869.525 – SF9BW125 (RX2 downlink only)
LoRa Channel Plan for US915
Uplink (MHz)903.9 – SF7BW125 to SF10BW125
904.1 – SF7BW125 to SF10BW125
904.3 – SF7BW125 to SF10BW125
904.5 – SF7BW125 to SF10BW125
904.7 – SF7BW125 to SF10BW125
904.9 – SF7BW125 to SF10BW125
905.1 – SF7BW125 to SF10BW125
905.3 – SF7BW125 to SF10BW125
Downlink (MHz)923.3 – SF7BW500 to SF12BW500
923.9 – SF7BW500 to SF12BW500
924.5 – SF7BW500 to SF12BW500
925.1 – SF7BW500 to SF12BW500
925.7 – SF7BW500 to SF12BW500
926.3 – SF7BW500 to SF12BW500
926.9 – SF7BW500 to SF12BW500
927.5 – SF7BW500 to SF12BW500

Part List


Barometric Partlist

Part List
3M4 Self-drilling Screwx4
4M3 Self-drilling Screwx2

Datasheet – SenseCAP Wireless Barometric Pressure Sensor LoRaWAN

SenseCAP LoRaWAN Sensor User Manual-V1.0




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