Luciano Trasatti - VLVnT09 - Athens

PORFIDO

Physical Oceanography by RFID

Outreach

Luciano Trasatti - VLVnT09 - Athens

km3

• 10000 optical modules in the Mediterranean sea at 3000 m depth

• continuous data taking through underwater optical fibre cable

• 10 years

• Oceanographic data?

Luciano Trasatti - VLVnT09 - Athens

Sea Sciences

• Continuous data

• Non intrusive (reliability)

• Cheap

• Many

• Connectors?

Luciano Trasatti - VLVnT09 - Athens

Data Rate

• One reading every few seconds

• Comparable to Slow Controls

• Very low

Luciano Trasatti - VLVnT09 - Athens

OM

Luciano Trasatti - VLVnT09 - Athens

OM

Luciano Trasatti - VLVnT09 - Athens

OM

Luciano Trasatti - VLVnT09 - Athens

OM

Luciano Trasatti - VLVnT09 - Athens

RFID

• Developed for access contol• Passive “tag”, no batteries but power from RF

- credit card size• EPCglobal Class 1 Gen 2 RFID

Specification• sensor data - frozen food • Cheap and reliable• RFID through Optical Module glass

Luciano Trasatti - VLVnT09 - Athens

Tag - WISP

• Passive (no batteries)

• Includes temperature

• can add new sensors

Luciano Trasatti - VLVnT09 - Athens

potted in epoxy

Luciano Trasatti - VLVnT09 - Athens

Salt Water

Luciano Trasatti - VLVnT09 - Athens

In Water

It works!

Luciano Trasatti - VLVnT09 - Athens

Reader

RFID modules

small - but... software

2 models to try

Luciano Trasatti - VLVnT09 - Athens

Sensors

• Start with temperature

• Salinity

• O2 etc. etc.

• Pressure?