Technical data
10.3 Sensor geometrical data
SITRANS FUS080 transmitter
Operating Instructions, 07/2012, A5E03059912-02
63
The typical operation time of 6 years is based on only 80% battery capacity and an operation
time/temperature profile of 5% at 0 °C (32 °F), 80% at 15 °C (59 °F) and 15% at 50 °C (122
°F).
The effect of other temperatures is shown in the figure below.
A variation in temperature from 15 °C to 55 °C (59 °F to 131 °F) reduces the capacity by
17% (in the figure from 15 Ah to 12½ Ah).
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Note
The installation orientation of the battery pack may influence the battery capacity. Optimal
battery capacity is achieved with the battery pack in an upright position.
10.3 Sensor geometrical data
In order to ensure maximum measurement accuracy, precise sensor-specific data are
required.
Data Sensor size Required accuracy
Path angle DN 100-1200 (8" – 48") 0.1°
DN 100-400 (8 " – 32") 0.2 mm
DN 400-1000 (32" – 48") 0.8 mm
Transducer and path distances
Outer pipe diameter
Pipe w
all thickness
DN 1000-1200 (40" – 48") 2.0 mm
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