Manual
2of16 MN301035 RevB
INTRODUCTION/TABLEOFCONTENTS StepOne
TheDeltaSpan™LD34SeriesGeneralPurposeWaterSmallBore or LD35 SeriesGeneral Purpose Wastewater
LevelTransmittersaremanufacturedforyearsoftroublefreeservice.Thepressuretransmittermeasuresthe
height of liquid above the position in the tank referenced to atmospheric pressure.Lightning and surge
protection (not guaranteed or covered by standard warranty) is included standard to stand up in harsh
applications.The transmitters are vented for barometric pressure compensation.Vent is covered with a
maintenance‐free filter preventing particulate or water droplets from entering the transmitter.For extra
protectionagainsthumidityweoffertheLD90‐3000desiccantfilterthatcanbeattachedtotheventtube.
Applications
LD34Series
o Ballast tanks; Ground water monitoring; Surface water monitoring; Dewatering; Down hole;
Remediationandotherenvironmentalmonitoringapplications.
LD35Series
o Sewage lift stations, industrial slurries, industrial sumps, landfill leach ate, reservoirs, sludge
pits,oiltanks,etc.reservoirs,sludgepits,oiltanks,etc.
TableofContents
Specifications:.............................................................................................................................................3
Dimensions..................................................................................................................................................4
SafetyPrecautions:.....................................................................................................................................5
Components:...............................................................................................................................................6
GettingStarted............................................................................................................................................7
HowtoconvertPressureintoLiquidHeight?.................................................................................7
HowdoesSpecificGravityaffectpressuretransmitters?..............................................................8
Howtoselectthecorrectpressuretransmitter?...........................................................................9
Howtoconfigureapanelmeterwhenapressuretransmitterisused?......................................10
ElectricalInstallation.................................................................................................................................11
Wiring.......................................................................................................................................................12
WiringtoaLoopPoweredDisplay:...............................................................................................12
WiringtoaGenericPLC:...............................................................................................................12
WiringtotheDataView™LI55SeriesLevelController:................................................................12
WiringtotheCommander™LI90SeriesMulti‐TankLevelController:.........................................12
WiringtotheDataPoint™LC52SeriesLevelController:..............................................................13
WiringtoaDataLoop™LI25SeriesLevelIndicatorwithouttheBacklight:.................................13
WiringtoaDataLoop™LI25SeriesLevel
IndicatorwiththeBacklight:.......................................13
Installation................................................................................................................................................14
Interference..................................................................................................................................14
Termination...................................................................................................................................14
Maintenance.............................................................................................................................................15
Testingthetransmitter.................................................................................................................15
Warranty...................................................................................................................................................16