Technology: AQUAPLUS monitor is able to record up to 7 physic-chemical parameters. With each analysis tag, a GPS location is done, allowing the possibility to track data after recovery on PC, and to generate spread sheets or maps with overlaid values.
AQUAPLUS monitor is running with the AQUAPLUS sensor (see Data sheet 451-01).  

Data memory: 3000 full sets of readings including GLP data

Measuring frequency:
Manual or set up from 1 minute up to 99 minutes
In case of quick value change, measure can be saved for event dating.

Measuring parameters:
Dissolved oxygen, Conductivity/Resistivity
Total Dissolved Solids (TDS), Salinity, Seawater specific gravity, Temperature, Atmospheric pressure 

GPS:
12 channels internal antenna
(accuracy ±10 m in 3 dimensions)

PC interface: Via USB cable (supplied)
Power supply: 5 standard alkaline cells type AA (working life > 20h)
Working temperature: -20...+70 °C
Dimensions: 90 x 180 x 39 mm – weight : 450 g (cells included)
Display: 80 characters with LCD backlighted display