Baro comparsion

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Simple barometric pressure sensor comparsion

The pressure sensors were lying on the lab table at the same time, not covered, all (house) windows closed, no direct light and quietness. The telemetry data was transferred through USB. Raw log data is File:Baro

Devices under test

Sensor name Message name driver Chip label colour
SCP1000-D11 SCP_STATUS baro_scp_i2c D11 ________
MS5611-BA01 BARO_MS5611 baro_ms5611_i2c 561101BA01 615798Z ________
MPL3115A2 MPL3115_BARO baro_mpl3115 M3PR XFOC ________
BMP085 BMP_STATUS bmp_status 0B50 144 5001 ________

Fully Static Test

All sensors flat on the table.

Baro test.png

Open Door Test

As an additional test the room door to the outside was quickly openend (559.1s) and closed (584.4).

Baro test door.png


We ran the new Bosch BMP180 together with the MS5611. It seems that it is similar to the BMP085.

Ms5611 bmp180.png