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Q-Eye Radar

Stationary non-contact flow meter

Technical specifications
  1. Sensor:
    1 x velocity
    1 x water level (external 4-20 mA sensor)
  2. Frequency: 24 GHz
  3. Beam Width: 11° at -3dB
  4. Range: ± 0.05 m/s, to ± 15 m/s
  5. Resolution: 1 mm/s; min. wave height 3 mm
  6. Display: 4 lines, 20 characters
  7. Keyboard: 4 keys
  8. Data logger: 16 GB MicroSD card
  9. Communication: RS-485, Modbus (RS-232 or RS-485), Wireless LAN, 4G (LTE) / 3G (HSPA+) / 2G, Ethernet 10/100 Mbps
  10. Inputs: max. 4 x 4-20 mA, 2 x digital
  11. Outputs: max. 4 x 4-20 mA, 4 x relay, 2 x pulse
  12. Power supply: 9-36 V DC or 100-240 V AC (50/60 Hz)
  13. Protection class housing: IP66 (NEMA 4)
  14. Enclosure: Aluminum, wall mounted
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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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Area velocity sensor

The submersible area velocity sensor uses advanced Pulse-Coherent cross-correlation technology. The velocity profile of the entire cross-section is captured in up to 32 measurement cells, providing best-in-class resolution of flow. The sensor measures both flow velocity and water level in order to calculate total flow volume. The integrated temperature sensor is used for automatic data correction and provides enhanced statistical information, e.g. for infiltration studies. 

With its dimensions of only 19 x 24 x 129 mm, the area velocity sensor causes no interference in the flow profile, which results in more accurate velocity measurements, especially in low-flow situations. 

Technical specifications
  1. Measures flow velocity, water level and temperature 
  2. Frequency: 1 MHz 
  3. Range:
    ‒ Velocity ± 5.0 m/s
    ‒ Water level 0.04-1.3 m,
       expandable with external  4-20 mA level sensor
    ‒ Temperature: -60 °C to +150 °C (linearized: 0°C to +60°C) 
  4. Accuracy:
    ‒ Velocity: ± 0.03 m/s from -1.5 m/s to +1.5 m/s
    ±2 % of reading from -5.0 bis -1.5 m/s and +1.5 bis +5.0 m/s
    ‒ Level: ± 2 mm
    ‒ Flow: Typically ± 2 %, depending on site conditions
    ‒ Temperature: ± 0.5 K for 4 °C to 57 °C 
  5. Min. particle concentration: > 50 ppm 
  6. Operating temperature: -15 °C to +50 °C (non-freezing) 
  7. Material: Stainless steel (1.4571, AISI 316 Ti), PEEK (piezo cover) 
  8. Protection class: IP68 (48 h at 50 kPa, NEMA 6P) 
  9. Approval: ATEX Zone 1; II 2G EEx e ib IIB T (option for stationary Q-Eye PSC) 
  10. Dimensions: 129 x 24 x 19 mm (L including cable connector x W x H)
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RV11 radar velocity sensor

Bi-directional non-contact velocity measurement. Inclusive ball-joint mount for quick and easy installation.

Technical specifications
  1. Frequency: 24 GHz
  2. Beam width: 11° (-3dB)
  3. Range: ± 0.05 m/s to ± 15 m/s
  4. Resolution: 1 mm/s, min. wave height 3 mm
  5. Uncertainty velocity: ± 0.5 % of reading ± 0.01 m/s
  6. Uncertainty flow: Typically < 5 % of reading, depending on site conditions
  7. Min. distance to surface 0.2 m
  8. Max. distance to surface 10 m
  9. Protection class: IP68 (48 h at 50 kPa, NEMA 6P)
  10. Operating temperature: – 40 °C to + 85 °C
  11. Dimensions: 242 mm (L mounting), 100 x 100 mm (W x H sensor)
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