Endress+Hauser Prosonic S FDU91, Техническая информация

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Prosonic S FDU91/92/93/95/96
E Hauser 11
Ultrasound guide pipe
Ambient conditions
Ingress protection tested according to IP68/NEMA6P (24 h at 1.83 m under water surface)
Vibration resistance DIN EN 600068-2-64; 20 ... 20000 Hz; 1 (m/s
2
)
2
/Hz; 3x100 min.
Storage temperature identical to process temperature, see below
Thermal shock resistance according to DIN EN 60068-2-14; examination to min/max process temperature; 0,5 K/min; 1000 h
Electromagnetic compatibility • Interference emission to EN 61326; Equipment class A
• Interference immunity to EN 61326; Appendix A (Industrial)
Process conditions
Process temperature
Process pressure
In narrow shafts with strong interference echoes, we
recommend using an ultrasound guide pipe (e.g. PE
or PVC wastewater pipe) with a minimum diameter
of 100 mm (for FDU91). Make sure that the pipe is
not soiled by accumulated dirt. If necessary, clean the
pipe at regular intervals.
A: venting hole
A
Sensor Process temperature Process pressure (abs.)
FDU91 -40 ... +80 °C 0,7 ... 4 bar
FDU92 -40 ... +95 °C 0,7 ... 4 bar
FDU93 -40 ... +95 °C 0,7 ... 3 bar
FDU95 - *1***
(low temperature version)
-40 ... +80 °C 0,7 ... 1,5 bar
FDU95 - *2***
(high temperature version) -40 ... +150 °C
for Dust-Ex versions: -40 ... 130 °C
0,7 ... 1,5 bar
FDU96
-40 ... +150 °C
for Dust-Ex versions: -40 ... 140 °C
0,7 ... 3 bar