Altonalab Air Pressure Sensor works in range of 15kPa to 115kPa with accuracy of 1.5%
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The Altonalab Air Pressure Sensor is an easy to use board that works within a range of 15kPa to 115kPa, with an accuracy of 1.5%. The board features a connector with three screws for ground, power (+…
Read More…The Altonalab Air Pressure Sensor is an easy to use board that works within a range of 15kPa to 115kPa, with an accuracy of 1.5%. The board features a connector with three screws for ground, power (+5V), and signal output. The measured output voltage (Vout) of the sensor can be converted to kPa pressure using the expression: P = Vout/0.0045 + 100.55. If the Vout is measured with an ADC of 0-3.3V, an additional connector board with a resistor divider of 1.5k/3.0k is needed.
The sensitive element used is the MPXA6115A6U, which has an operating temperature range of 40C to +125C and is internally temperature compensated.
Below are described a few simple ways to connect the sensor to Numato 8 Channel USB GPIO Module with Analog Inputs:
AltonaLab Connector board for ADC 5V is developed for fast connecting of up to 4 sensors with analog outputs.
For applications with ADC 3.3V, the needed connector board has to be AltonaLab Connector board for ADC 3.3V or just use a resistor divider shown below:
AltonaLab IoT software has special functional blocks for all the Numato controllers and for the air pressure sensor too: AltonaSensorAirPress, so everyone can very easy measure the air pressure using the diagram as shown below:
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