SP1A Air pressure transmitter with SDI-12

SP1A

Wind Measure

New

SP1A air pressure transmitter is ready for installations in wide temperature range and offers measurement range of 600…1100 hPa. It may be used for multiple applications for indoor as well as outdoor applications. Thanks to the SDI-12 compatibility, it is suitable for GSM/GPRS Data Logger RADIO or can be integrated with other manufacturers’ equipment.

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The Sensor measures: Barometric Pressure
Sensor IP Rating IP65

APPLICATIONS

Placing the senor in an IP65 housing enables wide scope of installation methods which include wall mounting or fixing the sensor to the mast or a mast boom. The high quality enclosure made of ABS and optionally a polycarbonate one, make the sensor sturdy and impact resistant.

Thanks to the pressure compensation element, the housing keeps its waterproof qualities, allowing pressure and temperature equalization at the same time.

High qualities of the housing and electronic components make the sensor fully suitable for meteorological, agricultural, industrial any other applications.

OUTPUT

The sensor is equipped with an SDI-12 output and is compatible with all data loggers using this communication standard.

SDI-12 (Serial Digital Interface at 1200 baud) is a serial communications protocol used in environmental measurements. The operating principle is that only an SDI-compatible device with the digital addressing system will communicate with a the pre-configured sensors. Unless the sensor has a matching configuration, it will not respond and stay in a sleep mode.  SDI-12 sensors have a three wire connection.  

MAINTENANCE

Every sensor is individually calibrated at two temperatures and two pressures before leaving the manufacturer.

Capacitive sensitive element from the sensor can be calibrated if required with the use of specialist equipment. For more information about functional calibration contact Wind2measure.com directly.

Technical Specification

Type

SP1A

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

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