SMATCH
Operational remote-transmission multiparameter probeCharacteristics
Available physicochemical parameters:Depth: range 0 to 20m; accuracy < 0.06m; resolution 0.006m
Temperature: range -5°C to +35°C; accuracy <50m°C in the range 0-20°C; resolution 1m°C at 10°C
Conductivity: range 0 to 70 mS/cm: accuracy <0.05 mS/cm in the range 0 to 60 mS/cm; resolution 0.0012 mS/cm
range 0 to 2000 µS/cm: accuracy 5 µS/cm; resolution 0.04 µS/cm
Salinity: range 2 to 42°/°° at 20°C: accuracy ±0.1°/°°; resolution 0.0011°/°°
range 0 to 1.137°/°° at 20°C: accuracy <0.002°/°°; resolution 0.0001°/°°
Dissolved Oxygen
Saturation: range 0 to 120%; accuracy < 5%; resolution 0.01%
Concentration: 0 to 16mg/l;accuracy < 5%; resolution 0.01%
Turbidity: Range (configurable at works) 25, 125, 500 or 750 FTU / 2.5 FTU on demand
(non linear above, max. 1500 FTU) - Seapoint Optical Sensor
Linearity < 2% deviation 0-750 FTU
Light source Wavelength: 880 nm
Fluorescence: Chlorophyll a - Turner Design optical sensor
Minimum detection limit: 0.03 µg/l
Sensitivity: 0-5µg/L or 0-50 µg/L or 0-500 µg/L (configurable at works)
Wavelength: Excitation 460 nm Emission 620-715 nm
pH: Range 0 to 14pH Resolution 0.0003pH
Time: Internal clock with calendar (clock drift<1mn/month)
Autonomy
Energy: Depending on transmission, measurement and chlorination periods, examples for TI or TD type: 12 months with standard chlorination and daily data transmission.
Memory: 4Mb
Mechanical characteristics
SMATCH: diameter: 110 mm length: 425mm weight: 3.6kg
Buoy equipped with SMATCH, max. sizes:
diameter.: 26cm length: 1750cm weight:11kg
