Sensors

Sea-Bird Scientific HydroCAT

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Imagen de: Sea-Bird Scientific HydroCAT

For longterm water quality monitoring with proven anti-fouling technology

Sensor de eficacia demostrada en campo que mide la conductividad, la temperatura, la presión y el oxígeno disuelto óptico. HydroCAT puede recoger datos de alta calidad a lo largo de hasta un año en función de la aplicación. Cuenta con una protección excelente contra la bioincrustación gracias al sistema antiincrustante aprobado por la US-EPA con bomba integral y paso de flujo interno exclusivo que proporciona mediciones estables durante la intervención.
  • Instalación fija
  • Temperatura, nivel/profundidad, oxígeno disuelto, conductividad
  • Idóneo para intervenciones prolongadas en ambientes remotos y biológicamente ricos
  • SDI-12, RS-232, RS-485 (optional)
Measured Parameters
Conductivity
Range 0 … 70 mS/cm (0 … 70,000 µS/cm)
Accuracy ± 0.003 mS/cm (3 µS/cm)
Typical Stability 0.003 mS/cm (3 µS/cm) per month
Resolution 0.0001 mS/cm (0.1 µS/cm)
Temperature
Range -5 … 45°C
Accuracy ± 0.002°C / ± 0.01°C (over 35°C)
Typical Stability 0.0002°C per month
Resolution 0.0001°C
Pressure
Range 0 … 20 m/ 0 … 100 m/ 0 … 350 m
Accuracy ± 0.1% of full scale range
Typical Stability 0.05% of full scale range
Resolution 0.002% of full scale range
Optical Dissolved Oxygen
Range 120% of surface saturation in all natural waters
Accuracy ± 0.1 mg/L (3 µmol/kg) or ± 2% whichever is greater
Typical Stability < 0.03 mg/L (1 µmol/kg)/100,000 samples (20°C)
Resolution 0.007 mg/L (0.2 µmol/kg)
Electrical
Clock Stability 5 seconds/month
Acquisition Time 2.3 … 3.2 seconds/sample (see manual)
Power Supply
Internal 7.8 Amp-hour (nominal) battery pack, 257 Kjoules (derated for calculations)
Optional External Power 0.25 Amps at 9 … 24 VDC
Power Consumption(all with pressure) *
Quiescent 0.0004 Watts
CTD-DO Sample Acquisition (excluding pump): Real-time data enabled – 0.17 Watts
No real-time data – 0.155 Watts
CTD-DO Sample Waiting (not sampling, pump running, excluding pump): Real-time data enabled – 0.056 Watts if receive line valid,
0.016 Watts if receive line not valid
No real-time data – 0.016 Watts
CTD-DO Between Samples Real-time data enabled – 0.056 Watts if receive line valid
0.0004 Watts if receive line not valid
No real-time data – 0.0004 Watts
Pump 0.12 Watts
Communications 0.065 Watts
* Power consumption values are for standard RS-232 interface; for optional interfaces, see corresponding manual.
General
Housing Material Plastic
Depth Rating 350 m (1148 ft)
Weight 3.4 kg (7.5 lbs) in air, 1.5 kg (3.3 lbs) in water
Imagen de Sea-Bird Scientific HydroCAT
Imagen de Sea-Bird Scientific HydroCAT
Imagen de Sea-Bird Scientific HydroCAT

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