HD9408.3B is a barometric transmitter that uses a piezoresistive high accuracy and temperature-compensated sensor. It allows measuring the atmospheric pressure in the range 0…1350 hPa (digital outputs) or 500...1200 hPa (analog outputs), providing extreme accuracy and time stability, with excellent repeatability, low hysteresis, and excellent temperature behavior.
The superior performances are obtained thanks to the employment of a piezoresistive Silicon sensor that integrates both a pressure sensitive as well as a temperature sensitive element. The measurement of pressure and temperature are processed by a microprocessor to obtain an output signal that is compensated over the transmitter’s whole, wide temperature operating range: -40…+85°C.
The sensor is factory calibrated at several points at different temperatures in the range of use.
The instrument is particularly suitable for meteorological applications (AWOS - Automated Weather Observing Systems), environmental monitoring systems, meteorological and environmental data logging, measurement laboratories, atmospheric pressure compensation in the performance of internal combustion engines, barometric pressure compensation in clean rooms, vehicle emission test.