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    Sensor

    Flow sensors SICK FFU

    Type:FFUS25-1N1SR
    Part no.:6049566
    Features
    Measurement principle Ultrasonic sensor
    Medium Fluids
    Nominal width measuring tube DN 25
    Process temperature 0 °C ... +80 °C
    Process pressure ≤ 10 bar

    Performance
    Minimim flow ≥ 5 l/min 1)
    Maximum flow 0 l/min ... 240 l/min
    Inlet zone 40 cm
    Output zone 20 cm
    Conductivity No limitation
    Measurement accuracy  
      ± 2 % 2)
    Repeatability ≤ 0.5 %
    Resolution 0.03 l/min
    • 1) At constant flow rate.
    • 2) Reference condition: Water, zero gas, measuring tube completely full, no cavitation, temperature of medium 20 °C, ambient temperature 20 °C ... 25 °C, compliance with inlet and outlet zones, warm-up time for electronics: 30 min.

    Electronics
    Supply voltage 18 V DC ... 30 V DC 1)
    Residual ripple ≤ 5 Vpp 2)
    Power consumption ≤ 180 mA 3)
    Initialization time ≤ 5 s
    Protection class III
    Connection type M12 round connector x 1, 8-pin
    Output signal

    Analog output 4 mA ... 20 mA, 0 mA ... 20 mA current flow and temperature 1)

    2 pulse/status output PNP/NPN-transistor output for flow rate meter, empty pipe detection, flow monitoring

    1 switching input for dosing and counter reset

    Output current < 100 mA 4)
    Output load < 500 Ohm
    Lower signal level 3.8 mA ... 4 mA
    Upper signal level 20 mA ... 20.5 mA
    Impuls/frequency output 0 kHz ... 10 kHz
    Puls width ≤ 1 s
    Signal voltage HIGH Vs - 2 V
    Signal voltage LOW ≤ 2 V
    Inductive load 1 H
    Capacitive load 100 nF
    Response time Filter off 100 ms, filter low 300 ms, filter medium 1 s, filter strong 4.2 s 5)
    • 1) All connections are polarity protected. All outputs are overload and short-circuit protected.
    • 2) May not exceed or fall below Uv tolerances.
    • 3) Without load.
    • 4) There are 100 mA for each output PNP and NPN available.
    • 5) Analog output and display.

    Mechanics
    Process connection 1 ¼" NPT
    Wetted parts

    PPSU

    EPDM

    Housing material PPSU
    Enclosure rating IP67
    Weight 460 g

    Ambient data
    Ambient operating temperature 0 °C ... +60 °C
    Ambient temperature, storage –20 °C ... +70 °C

    Classifications
    ECl@ss 5.0 27200412
    ECl@ss 5.1.4 27200412
    ECl@ss 6.0 27200412
    ECl@ss 6.2 27200412
    ECl@ss 7.0 27200412
    ECl@ss 8.0 27200412
    ECl@ss 8.1 27200412
    ECl@ss 9.0 27200412
    ECl@ss 10.0 27200412
    ECl@ss 11.0 27200412
    ECl@ss 12.0 27200412
    ETIM 5.0 EC002580
    ETIM 6.0 EC002580
    ETIM 7.0 EC002580
    ETIM 8.0 EC002580
    UNSPSC 16.0901 41112501

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