SP1A Barometric Air Pressure Sensor (SDI-12)

The SP1A air pressure transmitter is ready for installations in wide temperature range and offers measurement range of 600…1100 mBar.

It has a variety of uses, for indoor as well as outdoor applications. It uses SDI-12 communication, making it suitable for use with the Micro Power Weather Stations/data loggers or can be integrated with other popular systems.

• Operating range: 600…1100 hPa [mbar], -40 … +60°C
• Accurate measurement
• Waterproof housing with IP65 protects against sprayed water
• Protection from particles, oils and liquids with pressure compensation element
• Compatible with logging devices with SDI-12 standard Low power consumption

• Working temperature -40 …. +60°C
• Measuring element Piezoresistive pressure measuring cell
• Measuring range 600 … 1100 hPa [mbar]
• Accuracy ±0,5 hPa at 25°C
• Resolution 0,05 hPa
• Long term stability ≤0,2% FSO*/year
• Output type SDI-12
• Power supply 4 … 16 Vdc
• Current consumption <1mA at 12V
• Housing ABS, Polycarbonate available on request
• Ingress protection IP 65
• Weight 138g
• Cable optional
• Cable glands 1 or 2 possible to use the sensor as a junction box

* FSO (Full Scale Output) describes the difference of the upper and the lower limit of the pressure range

SP1A Barometric Pressure Sensor Datasheet