Installation manual

SimradPI50
PITwinSpreadpurposeandapplication
ThisisanL-typePIsensor.Tochargethissensor,usetheSimradPIChargerorthe
SimradPIMaxiCharger.
Note
Thisisa“dual”sensor.ItwillseizetwocommunicationchannelsonthePI50.
Figure15PITwinSpreadapplication Thepurposeofthe
SimradPITwin
Spreadsensorsystem
istomeasurethe
distancesbetweenthe
twotrawlopenings
onadualbottomor
pelagictrawl.API
TwinSpreadsensor
ismountedonthe
portdoor,whiletwo
PIRemotesensorsare
placedonthecentre
clumpandonthe
starboarddoor.
Thethreesensors
communicateusing
specialtransverse
acousticlinks.Using
theselinksthePITwinSpreadsensormeasurestheexactdistancebetweenthethree
sensors.
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