TRANSPONDER, FOR EXPLOSIVE ATMOSPHERE

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TRANSPONDER, FOR EXPLOSIVE ATMOSPHERE
TRANSPONDER, FOR EXPLOSIVE ATMOSPHERE

cNODE® is a family of transponders for underwater acoustic positioning and data link, and operates with both HiPAP®, HPR and cPAP® transceivers. The cNODE® transponders operates with either the HiPAP® / HPR 400 channels and telemetry or with the new Cymbal acoustic protocol.

The cNODEMaxi 31 Exd transponders are made especially for operating in an explosive atmosphere.
Two models are available :
• cNODE Maxi 31-80V-90-Exd.
• cNODEMaxi 31-80V-Exd.

The cNODEMaxi 31 Exd transponders comply with the following standards :
• IEC/EX 60079-1:2007
• IEC 60079-0:2011
• IEC 60086-1
• EN 60079-0:2012

TRANSPONDER, FOR EXPLOSIVE ATMOSPHERE
TRANSPONDER, FOR EXPLOSIVE ATMOSPHERE

Technical specifications

Materials

Bolts and tube:……………………..Super Duplex stainless steel
Transducer, top end cap and bottom end cap:………Titanium grade 5

Performance specifications

Operation depth :………………………………………………..1000 m
Operating frequency :…………………………..21 kHz to 31 kHz
Communication principle :………………….Phase Shift Keying (Cymbal) and Frequency Shift Keying (FSK)
Transducer beam width :……………………………….80° at -3 dB
Frequency band :……………………….Medium frequency (MF)
Source level :……………………………………………………..198 dB
Receiver sensitivity :……………………………………………..85 dB

Weight and outline dimensions

cNODE Maxi 31-80V-90-Exd
Width :……………………………………………………………..164 mm
Height :…………………………………………………………….874 mm
Weight in air :…………………………………………………….35.5 kg
Weight in water :…………………………………………………..25 kg

cNODE Maxi 31-80V-Exd
Width :…………………………………………………………..139.5 mm
Height :…………………………………………………………….880 mm
Weight in air :…………………………………………………….35.5 kg
Weight in water :…………………………………………………..25 kg

Power specifications
Battery type :….Non-rechargeable Lithium metal, (Li/SOC2)
Operating voltage :………………………………….10 to 14.4 VDC
Battery output :………………………………………………14.4 VDC
Total battery energy content :……………………………….128 Ah
Cells per battery :……………………………………………………….48
Type of cells :……………………………………………………Lithium
Power consumption (peak operation) :……………………250 W
Power consumption average :…………………………………3.6 W
(Presumed High Tx power and ping rate 1 sec.)

Environmental specifications
Operation temperature :……………………………..-5°C to +55°C
Storage temperature :………………………………-30°C to +70°C

Read more : ACOUSTIC CONTROL SYSTEM FOR BOP OPERATION; HIPAP – ACOUSTIC UNDERWATER POSITIONING AND NAVIGATION SYSTEMS; µPAP (MICROPAP) COMPACT ACOUSTIC POSITIONING SYSTEM

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