STARFLOW Model 6526E Micrologger 128k Depth 2 Meter Ultrasonic Doppler Probe



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Unidata ultrasonic Doppler instrument is a compact, easy-to-use system for measuring the velocity and depth of water in rivers and streams, open drainage channels, and large pipes. It is suitable for use in a wide range of water qualities ranging from sewage and wastewater to clean streams, potable water and even sea water.

The instrument measures forward and reverse flow conditions and may be programmed to computer flow rate and total flow in pipes and open channels.

The ultrasonic transducer assembly is profiled to reduce flow disturbance. It is designed to be placed at (or near) the bottom of the water channel for upstream measurement. A single cable connects the instrument to a 12V DC power source.

Water velocity is measured by the ultrasonic Doppler principle which relies on suspended particles or small air bubbles in the water to reflect the ultrasonic detector signal. The instrument will not operate in very clean, degassed water. Water depth is gauged by a hydrostatic pressure sensor, referenced to atmospheric pressure through the vented power and signal cable.

Range: 21mm/s to 4500mm/s bi-directional
Accuracy: 2% of measured velocity
Resolution: 1mm/s
Depth: 0 to 5m in two ranges

Range: 0m to 2.0m; 0m to 5.0m
Accuracy: Typical ±0.25%

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: 512kB, CMOS RAM
Log Interval: Programmable, 5s to 1 week
Communication: RS-232, 300-38400bps
SDI-12: 1200bps instrument channel.
Control: CMOS output trigger (water sampler)

Cable: 15 metres, 9 way vented
Cable Options: User specified up to 100 metres
Power Source: External battery 12V DC
Power Usage:
11.5VDC to 15VDC
65uA standby
200mA active
90mA communications
Operating Temp: 0°C to 60°C water temperature.
Material: PVC body, stainless steel mounting plate
Dimensions: 290mm x 70mm x 25mm
Weight: 2kg with 15m cable


Used, directly from lab surplus.  Offered with warranty.


STARFLOW Model 6526E Micrologger 128k Ultrasonic Doppler Probe

EV16 (in box)


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