Ideal for monitoring flows in canals, culverts, pipes, and natural streams, the SonTek-IQ starts with a custom flow algorithm derived from hundreds of field measurements. Four velocity beams profile water velocity along both the length and width of the channel, to ensure the best possible coverage and most accurate representation of the velocity field. The built-in pressure sensor and vertical acoustic beam work in tandem to measure water level. Simply input the channel geometry using the intuitive SonTek-IQ software and you are outputting flow data in minutes.
All stainless steel hardware makes the IQ even more capable in difficult environments such as stormwater and certain wastewater where corrosion is a potential concern.
Capable of working both in artificial and natural channels, the SonTek-IQ can collect flow (area-velocity) and volume data in as little as 8 cm (3 in) of water. Its five-beam pulsed Doppler design is Modbus, SDI-12, RS232, and Analog ready. Even better news: the SonTek-IQ installs with limited or no earthworks. With the SonTek-IQ, expect to get quality data for quality decision-making.
The SonTek-IQ Standard, the SonTek-IQ Plus, and the SonTek-IQ Pipe all operate at 3 MHz. The Standard model works in depths up to 1.5 m (5 ft), while the Plus and Pipe models are ideal for water depths up to 5m (16 ft). The SonTek-IQ Plus/Pipe also incorporates advanced post-processing functions, providing deeper insight into your flow and volume data. All models use SonTek's proprietary algorithm SmartPulseHD.
| SonTek-IQ Standard | SonTek-IQ Plus | SonTek-IQ Pipe | |
| Application | Regular Channels | Open Channels | Pipes & culverts |
| Velocity Measurement |
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| Range | 0.05 - 1.5m | 0.05 - 5.0m | 0.05 - 5.0m |
| No. Cells | 1 | Up to 100 | Up to 100 |
| Cell Size | Dynamically integrated | 2 cm – 10 cm (0.8 - 4 in) | 2 cm – 10 cm (0.8 - 4 in) |
| Advanced Data Reprocessing | N/A | Yes | Yes |
| Increased Number of Data Fields | N/A | Yes | Yes |
| Velocity Measurement | |
| Velocity Range | ±5 m/s (16 ft/s) |
| Resolution | 0.0001 m/s (0.0003 ft/s) |
| Accuracy | ±1% of measured velocity, ±0.5 cm/s (0.2 in/s) |
| Water Level | |
| Vertical Beam Range | 0.05 – 1.5 m (0.2 - 5 ft) (Standard); 0.05 - 5.0 m (0.2 - 16 ft) (Plus/Pipe) |
| Water Level Accuracy | 0.1% of measured depth or ±0.003 m (0.01 ft) whichever is greater |
| Pressure Sensor Range | 30 m (98 ft; 42 psi) |
| Pressure Sensor Accuracy | 0.1% of full scale |
| Acoustics | |
| Acoustic Frequency | 3.0 MHz |
| -(2) Along Axis Beams | -(2) Along Axis Beams 25° off vertical axis, along axis of channel |
| -(2) Skew Beams | 60° off vertical and 60° off center axis of channel (Standard/Plus); 37° off vertical and 45° off center axis of channel (Pipe) |
| Communications | RS232, SDI-12, Modbus, Analog (via optional Flow Display) |
| Data Storage | 4 GB (approximately 1 year |
| Operating/Storage Temperature | -5 to 60° C (23 - 140° F) |
| Temperature Sensor | Accuracy ± 0.2° C; Resolution ± 0.01° C |
| Tilt Sensor | Accuracy ± 1.0° |
| Smart Pulse | Yes |
| Power Input | 9-15 VDC |
| Power consumption | 0.5 – 1.0 W (0.02 when idle) |
