Material
Epoxy-sealed body, Marine Grade 316 Stainless Steel Mounting Bracket
Size
135 mm x 55 mm x 22 mm (LxWxH)
Weight
1 kg with 15 m of Cable
Operating temperature
0°C to 60°C water temperature
Velocity and Depth Specifications
Velocity Range
20 mm/s to 0.8 m/s
20 mm/s to 1.6 m/s in one direction (default)
20 mm/s to 3.2 m/s
20 mm/s to 13.2 m/s
Bidirectional velocity capability, set using configuration tools
Velocity Accuracy
±1% typical
Depth Range Ultrasonic Sensor
20 mm up to 5 m above top surface of the instrument
40 mm up to 5 m from the base of the instrument
Depth Accuracy Ultrasonic Sensor
Typical ± 1%
Depth Range Absolute Pressure Sensor
0 to 10 m
Depth Accuracy Absolute Pressure Sensor
Typical ± 0.19% for 0 m to 5 m range
Typical ± 0.38% for 0 m to 10 m range
Temperature Resolution
0.1°C
Flow Computation
Flow rate, totalised flow with companion NRT/NRL
Channel type
Pipe, open channel, natural stream
Conductivity (6537 Only)
0-200,000uS/cm Typically ±1% of measurement, returned either as 16-bit value (0 65535uS/cm) or 32-bit value (0-262,143uS/cm)
Compensation Conductivity (6537 Only)
25°C default / set using configuration tools
Cable Options
User specified up to 50 metres
Electrical Specifications
Power Source Typical
External Battery 12V – 24V DC
Power Usage
10V to 24V DC, 50µA standby, 100mA active for 1 sec
SDI-12
SDI-12V 1.3 recorder (1200 baud smart instrument channel)