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          Electromagnetic Digital Flow SensorFD-80 series

          FD-81

          Main Unit 10 L/min NPN

          [Discontinued model]

          This model has been discontinued.

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          SPECIFICATIONS

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          Model

          FD-81

          Connection port

          Rc3/8 (10A)

          Detecting area

          1 to 10ℓ/min

          Zero-cut flow rate

          0.5L/min*1

          Detection fluids

          Water and non-corrosive fluid (conductivity 100 µs/cm or more)

          Detection fluid temperature

          0 to 60°C 32 to 140°F (no freezing)

          Pressure loss

          Max. 0.01 MPa

          Display power

          3-digit 2-color, 7-segment LED (character height: 14 mm 0.55")

          Display resolution

          Instantaneous flow: 0.1, integrated flow: 1

          Display unit

          Instantaneous flow: l/min, integrated flow: 1 l, 10 l, 100 l, 1 m3 (selectable)

          Display range

          5 to 110% of F.S.

          Repeatability

          Response time: 0.5 s, selection time: ±5.0% of F.S.; response time: 2 s, selection time: ±2.5% of F.S.; response time: 1 s, selection time: ±3.5% of F.S.; response time: 5 s, selection time: ±1.6% of F.S.

          Response

          Instantaneous flow display: 2 s (fixed), instantaneous flow analog output/switch output: 0.5, 1, 2, 5 s (variable)

          Memory backup

          EEPROM (10 years or more, rewritable 100,000 times or more)

          Control output/integration pulse output

          Maximum NPN open-collector output: 100 mA (40 V or less), residual voltage: 1 V or less, 2 outputs (N.O./N.C. switchable)

          Instantaneous flow analog output

          4 to 20 mA, maximum load resistance: 350 Ω (reflects the 0-point adjustment)

          Power voltage

          24 VDC ± 10%, ripple (P-P): ±10% or less

          Current consumption.

          90 mA or less

          Environmental resistance

          Enclosure rating

          IP65 (when the display is fixed)

          Pressure resistance

          1.75 MPa

          Applied pressure range

          0 to 0.7 MPa

          Ambient temperature

          0 to +50 °C 32 to 122 °F (No freezing)

          Relative humidity

          35 to 85 % RH (No condensation)

          Vibration resistance

          10 to 55 Hz, Double amplitude 1.5 mm 0.06", 2 hours in each of the X, Y, and Z directions*2

          Material

          Liquid end materials

          Bore: SCS13, body: PPS, electrode: SUS316L, O-ring: fluoro-rubber

          Material properties

          Other parts

          Case: PBT, cable: PVC

          Weight

          Approx. 835 g

          *1 Flow below this number value cannot be detected. Values up to the detectable range lower limit from the value are detectable but accuracy cannot be guaranteed.
          *2 When using the mounting brackets, use 10 to 55 Hz, 0.15 mm 0.006" 1 G or lower, double amplitude.

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