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Q-Eye PSC

Stationary area velocity flow meter for partially filled or pressurized pipes and open channels. Advanced Pulse-Coherent cross-correlation technology for capturing entire velocity profiles.

Technical specifications
  1. Sensors:
    Ultrasonic velocity sensor (up to 3 sensors possible)
    Water level sensors (hydrostatic, ultrasonic or radar)
  2. Number of measurement cells: up to 32
  3. Velocity range: ± 5.3 m/s
  4. Typical accuracy flow: ± 2 % of reading, depending on site conditions
  5. Display: 4 lines, 20 characters
  6. Keyboard: 4 keys
  7. Data logger: 16 GB MicroSD card
  8. Communication: RS-485, Modbus (RS-232 or RS-485), Wireless LAN, 4G (LTE) / 3G (HSPA+) / 2G, Ethernet 10/100 Mbps
  9. Inputs: max. 4 x 4-20 mA, 2 x digital
  10. Outputs: max. 4 x 4-20 mA, 4 x relay, 2 x pulse
  11. Power supply: 9-36 V DC or 100-240 V AC (50/60 Hz)
  12. Protection class housing: IP66 (NEMA 4)
  13. Enclosure: Aluminum, wall mounted
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Insertion sensor

The Q-Eye PSC insertion sensor uses advanced Pulse-Doppler technology. The velocity profile of the entire cross-section is captured in up to 18 measurement cells. The insertion sensor is used when the pipe is only accessible from the outside. This sensor is for use in full pipes or in partially filled pipes in combination with an integrated pressure transducer. The installation is carried out by means of a 1.5” ball valve into existing pipework.

The insertion sensor is mounted flush with the inner pipe wall, allowing pipes to be cleaned without removal of the sensor. Additionally, the flow profile is not altered by the sensor itself. Should the sensor ever need to be removed, it can be done under process conditions thanks to the integrated ball valve.

Technical specifications
  1. Sensor:
    Velocity sensor for partially and fully filled pipes incl. ball valve
    Optional with integrated pressure transducer for level measurement
  2. Frequency: 1 MHz
  3. Range:
    ‒ Velocity: ± 5.0 m/s
    ‒ Level (pressure transducer): 0…0.2 bar or 0…10 bar
  4. Uncertainty velocity:
    ± 0.03 m/s from -1.5 m/s to +1.5 m/s
    ± 2 % of reading from -5.0 to -1.5 m/s and +1.5 to +5.0 m/s
  5. Uncertainty pressure transducer:
    ‒ Linearity: 0.5 % FS (0.2 bar) or 0.25 % FS (10 bar)
    ‒ Error band 0 to 50 °C: max. 1.5 % FS (0.2 bar) or 0.5 % FS (10 bar)
  6. Cable length: 10 m incl. (max. 80 m)
  7. Material: Stainless steel 1.4301 (AISI 304)
  8. Dimensions Diameter: 38 mm (1.5”)
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