Technical specifications

All you need to know about RAVEN-EYE®

01

General

Size (HxWxL)
(HxWxL) 183 x 140 x 422 mm
Vertical blocking when mounted: 300 mm
Weight
3,85 kg (without cable, level sensor and mounting accessories)
Materials
Polyurethane (PU), stainless steel
Cable: Polyurethane jacketed
Cable Lengths
10, 20, 30 or length as needed up to 300 m
Protection
IP68
Certifications
CE
Temp. Range
-20 to 50 °C
Storage: -30 to 60 °C
Pwr Required
4 to 26 VDC
Outputs
1 passive analog 4-20 mA (velocity only)
Communicat°
RS-485 (serial MODBUS ASCII open protocol) for use with PLCs
RS-485 (proprietary protocol) for use with Unitrans or RTQ-Logger series
Field interchangeable: Automatic recognition between stationary or portable units
Flow Accuracy
±5% of reading (typical)

Flow Measurement

Method
Conversion from surface velocity to average velocity by analyzing surface velocity distribution using a self-learning technology that doesn’t require theoretical modules nor site calibration. Conversion of water level and pipe size to fluid area. Multiplication of fluid area by average velocity to obtain the flow rate.

Velocity Measurement

Method
Non-Contact Radar Doppler
Meas. Range
±0,15 m/s to ±9 m/s
Measurement
Bi-directional
Accuracy
±0.5% of reading ±zero stability
Zero Stability
±0,02 m/s
Min. Velocity
0,15 m/s

Optional Combined Level Measurement (Ultrasonic)

Method
Non-Contact Ultrasonic Pulsed Echo
Meas. Range
0,00 to 1,75 m (with RAV-0001)
0,00 to 5,75 m (with RAV-0002)
Measurement
± 0,2% of reading (with RAV-0002)
± 0,3% of reading (with RAV-0001)
Includes non-linearity + hysteresis
Accuracy
Max. 0,04%/K
Zero Stability
1 mm

Optional Separate Level Measurement

Method
Any 4-20 mA loop powered sensor