The Model 106 Current Meter is a light weight, impeller current meter, featuring both speed and direction parameters as standard, with further options of temperature and depth.
The current meter works on a basic 1 second cycle, during which the 125mm impeller counts are taken and a single compass heading reading is made. From this, East and North velocity vectors are calculated, which are then summed over the averaging period. The additional parameters of temperature and pressure (if fitted) are sampled once every sample period, and averaged over the averaging period.
It is designed for real time current measurement or short to medium term autonomous deployments. Data (logged or real time) is compatible with Valeport's DataLogTM software. The instrument is manufactured from titanium and polymers, giving excellent resistance to corrosion, whilst maintaining a small size and low weight. These features make the Model 106 the ideal instrument for coastal and estuarine applications, and other light duty survey work.
Sensors
Speed
Type: High Impact Styrene Impeller
Size: 125mm diameter by 270mm pitch
Range: 0.03 to 5m/s
Accuracy: ±1.5% of reading above 0.15m/s; ±0.004m/s below 0.15m/s
Direction
Type: Flux gate compass
Range: 0 to 360°
Accuracy: ± 2.5°
Resolution: 0.5°
Temperature
Type: Thermistor
Range: -5 to 35°C
Accuracy: ± 0.2°C
Resolution: 0.01°C
Pressure
Type: Strain Gauge Transducer
Range: 50, 100, 200 or 500 dBar
Accuracy: ± 0.2% Range.
Resolution: 0.025% Range
Instrument
Materials: Titanium, acetal and ABS plastic
Size: 640mm x 50mm Ø, (tail 133mm wide x 270mm high)
