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Luciano Trasatti - VLVnT09 - Athens
PORFIDO
Physical Oceanography by RFID
Outreach
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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?
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Luciano Trasatti - VLVnT09 - Athens
Sea Sciences
• Continuous data
• Non intrusive (reliability)
• Cheap
• Many
• Connectors?
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Luciano Trasatti - VLVnT09 - Athens
Data Rate
• One reading every few seconds
• Comparable to Slow Controls
• Very low
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Luciano Trasatti - VLVnT09 - Athens
OM
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Luciano Trasatti - VLVnT09 - Athens
OM
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Luciano Trasatti - VLVnT09 - Athens
OM
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Luciano Trasatti - VLVnT09 - Athens
OM
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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
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Luciano Trasatti - VLVnT09 - Athens
Tag - WISP
• Passive (no batteries)
• Includes temperature
• can add new sensors
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Luciano Trasatti - VLVnT09 - Athens
potted in epoxy
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Luciano Trasatti - VLVnT09 - Athens
Salt Water
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Luciano Trasatti - VLVnT09 - Athens
In Water
It works!
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Luciano Trasatti - VLVnT09 - Athens
Reader
RFID modules
small - but... software
2 models to try
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Luciano Trasatti - VLVnT09 - Athens
Sensors
• Start with temperature
• Salinity
• O2 etc. etc.
• Pressure?