LSI Lastem

Atmospheric Pressure Sensor

ClimateMeteorological Station & Sensors

Sensors designed for accurate measurement of atmospheric pressure. DQA240.1 is more suitable for LSI-LASTEM data acquisition systems (0-1Vdc output). DQA801 is also suitable for integration in third part systems (0/4-20 mA output), its range is locally selectable by trimmer DQA251 is a high precision instrument for absolute pressure, QNH, QFE, QFF. Long-term stability and a web interface make it the perfect instrument for professional acquisition systems and meteorology, aviation. Heavy duty enclosure IP67, allows an easy installation also in harsh environmental conditions. This sensor is built according WMO and ICAO standards.

Quantity

Overview

Highlights

Wide range of models with technical specifications for meteorological applications;
Analogue outputs (DQA240A.1, DQA801);
RS485, Ethernet digital output s(DQA251);
Very good accuracy: ±0.15 hPa (@20°C) ±0.20 hPa (-40÷60 °C) (DQA251);
QNH, QFE, QFF measurements (DQA251, Alpha-Log,
Alpha-Log data logger is equipped with internal pressure sensor. In this document, tech-nical specification of this sensor are described (Read Alpha-Log column).

Available Models

Model	Barometer. 0-1 VDC Output	Barometer. 0/4-20 mA Output. 10-30 VDC/AC Power Supply	Barometer. Modbus on RS485
Code	DQA240A.1	DQA801	DQA251
Description	Sensor is built according WMO and ICAO standards.	Barometric pressure sensor made for easy integration to third parties systems with accurate pressure measurement.	Barometric pressure sensor made for atmospheric pressure measurement using LSI-LASTEM systems. 0-1 Vdc output