Fleet

Sensors

Pressure sensor:

Paroscientific Sensor Model 8B7000 1284 001-0, conditioned in a 6000-m housing at Ifremer standard:

Measurement Extent (EM): 0- 690 bar of absolute pressure,
Class of Precision: 0,01 % of EM,
Resolution: 1x 10^-8.

Temperature sensor:

Sensor developed by the direction of Technologie Marine et des Systèmes d'Information (TMSI) for Victor  6000 and used on Nautile:

Measurement extent: -5 °C à +500 °C,
Class of Precision:
                ± 0,1°C within the range -5 °C to +50 °C,
                ± 1°C within the range +50 ° to +500 °C,
Numbet of sensors installed:
                1 vehicle sensor at the back,
                1 scientific mobile sensor at the front.

Log:

RDI sensor, model NAVIGATOR 300 kHz DVL, conditioned in a 6000-m using at Ifremer standard:

This sensor also includes:

 A pressure sensor,
A magnetic compass,
A roll & pitch sensor,
A temperature sensor.

The same 600 kHz model is supplied on Victor 6000.

© Ifremer

GPS Antenna:

Nautile is fitted with a surface AshtecGPS used to:

record the accurate diving point,
give the pilots the accurate vehicle position when surfacing.

© Ifremer

The 1st geographic position is acquired in 3 minutes then every 20 seconds. The precision of this sensor depends on the geographic area. The sensor data is recorded by the navigation and data acquisition system Acquanaut 3.