SICK FFU, Operating Instructions Manual, Page: 46 / 56

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Operating instructions FFU
8 Technical data
46 8013863/10L9 /2018-08-01 © SICK AG • Fluid sensors • Germany • Subject to change without notice
8 Technical data
Features
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Measuring principle Ultrasonic sensor
Medium Fluids
Nominal width measuring
tube
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Process temperature 0 °C ... +80 °C
Process pressure Max. 16 bar Max. 10 bar
EHEDG approval
l
Performance
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Minimum flow
1)
0.3 l/min 0.9 l/min 3.5 l/min 5 l/min
Maximum flow 21 l/min 36 l/min 60 l/min 240 l/min
Inlet zone 10 cm 30 cm 40 cm 40 cm
Outlet zone 0 cm 5 cm 10 cm 20 cm
Conductivity No limitation
Accuracy
2)
2% (of final value)
optional 1% of r/- 3 mm/s
Reproducibility 0.5 %
Resolution 0.003 l/min 0.006 l/min 0.012 l/min 0.03 l/min
1) At constant flow rate.
2)
reference condition:Medium: water, gas-free, fully-filled measuring tube, no cavitation, Medium temperature 20 ° C
Ambient temperature 20 ° C ... 25 ° C, Compliance with the inlet zone and outlet zone, Warm-up time electronic: 30 min
Mechanics
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Process connection G 1/2
1/2“ NPT
Clamp 11864
G 3/4
3/4“ NPT
Clamp 11864
G 1
1“ NPT
Clamp 11864
G 1 1/4
1 1/4“ NPT
Clamp 11864
Wetted parts PSU
Housing material PSU
Enclosure rating IP 67
Weight 340 g 350 g 420 g 460 g