Vaisala PTB210 SERIES Manual de instrucciones Pagina 57

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Sensor Difference for Temperature and Humidity
To have quality assurance concerning the redundant sensor principle, an interesting
aspect is to find out possible differences in readings of the sensors. Thus, the sensor
difference was calculated which deliberates that accuracy among both sensors has
reached no mentionable value.
Figure 5.5: Sensor Difference for Temperature
The graph in Fig. 5.5 demonstrates this issue in case of sensor difference concering
the temperature reading versus the temperature reference. The inertia due to the
filter is also quite nice demonstrated. Anyway, differences in readings show a con-
stant level of about 0.1 °C across the measuring cycle. Offsets are becoming smaler
with increasing temperature.
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