Ultrasonic Doppler
Open Channel Flowmeter

Range: 21 mm/s to 4500 mm/s bi-directional
Accuracy: 2% of measured velocity
Resolution: 1 mm/s
Model Depth Resolution
6526-21 0 to 2m 0-1m: 1mm
1-2m: 2mm
6526-51 0 to 5m 0-2.5m: 2.5mm
2.5-5m: 5mm
Accuracy: ±0.25% of calibrated lower range
Temperature: -17°C to 60°C
Resolution: 0.1°C
Computation: Flow rate, totalised flow
Channel Type: Pipe, open channel, natural stream
Integrated MicroLogger
Storage Memory: 100KB, CMOS RAM
Log Interval: programmable, 5 sec to 1 week
Communication: RS-232, 300-38400bps
SDI-12: 1200bps, instrument channel
Control: CMOS output trigger (water sampler)
Compatibility: STARLOG compatible
Cable: 15 metre, 9 way vented, «SQL» compatible
Power Source: External battery 12V dc
Power Usage: 11.5 to 15 Vdc, 50µA standby, 200mA active, 90mA comms
Operating Temp: 0°C to 60°C water temperature
Material: PVC body
Size: 290×70×25mm L×W×D
Weight: 850g (2kg with 15m cable)