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Chapter 4: T
echnical Specifications
The Spirometry Source
93
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Communications channel:
•RS 232C
•USB 2.0
•Bluetooth 2.0
•Compatible with HP-PCL black and white or color
printers.
4.4 PRESENTATION OF DATA
High resolution touch screen LCD (Liquid Crystal
Display) with 240 x 160 pixel array
By external printer
By PC with the corresponding software
4.5 TEMPERATURE SENSOR
Internal temperature sensor from 23 to 50 ºC ± 1%
Relative humidity:
•Less than 75% (without condensation)
Barometric pressure:
•Between 430 and 800 mmHg (approx. 4500 to -400
meters altitude)