• Kofloc Flowmeters With Photosensor Model RK 1812/RK1814 Series

    Flowmeters with Photosensor (for Alarm Switches)
    MODEL RK 1812/RK1814 SERIES

    These are enhanced models of the KOFLOC High Precision Flowmeters RK1200 and RK1400, respectively, by attaching photoswitch sensors for detection of float position and issuance of alarm signals.

    Red LEDs are used to visualize projected light spots. Stable and running modes of flows can be checked by pilot lamps

    Standard Specifications

    Rated flow ranges
    See the specifications for the RK1200/RK1400.
    Measurement of flows below 50 ML/MIN is not
    available (air at atmospheric pressure condition).
    Setting range
    Ambient temperature
    * For other conditions, see the specifications for the RK1200/RK1400.

    Photosensor Specifications

    Operating power supply
    24 VDC±10%
    Power consumption
    Light projector: 15 mA or less; Light receiver: 22 mA or less
    Output mode
    NPN open collector, sink current: 80 mA (30 VDC) max.
    Running mode
    Light on
    Response time
    0.5 msec or less
    Light projector: 0.15 mm2 two-core cable (2 m);
    Light receiver: 0.15 mm2 three-core cable (2 m)
    Takenaka electronic industrial co., Ltd.
    UM-T15TV (24 VDC) photoelectric switch containing
    amplifier with repeater dial on the receiver side
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