www.sensirion.com Version 0.93 – D1 – December 2018 7/19
1.3.1 Trigger continuous measurement with optional ambient pressure compensation
Starts continuous measurement of the SCD30 to measure CO
2
concentration, humidity and temperature. Measurement data
which is not read from the sensor will be overwritten. The measurement interval is adjustable via the command documented in
chapter 1.3.3, initial measurement rate is 2s.
Continuous measurement status is saved in non-volatile memory. When the sensor is powered down while continuous
measurement mode is active SCD30 will measure continuously after repowering without sending the measurement command.
The CO
2
measurement value can be compensated for ambient pressure by feeding the pressure value in mBar to the sensor.
Setting the ambient pressure will overwrite previous and future settings of altitude compensation. Setting the argument to zero
will deactivate the ambient pressure compensation. For setting a new ambient pressure when continuous measurement is
running the whole command has to be written to SCD30.
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