Manual

RevB MN301040 3of16
SPECIFICATIONS StepTwo

Service: Compatibleliquids
WettedMaterials: Body:316SS,316LSSand
Buna‐N
Cable:PolyurethaneorETFE
BulletNose:PVC(LD31
seriesonly)
Accuracy: ±0.25%offullscale
TemperatureLimit: 0to176°F(‐18to80°C)
Compensated
TemperatureRange:
0to176°F(‐18to80°C)
ThermalEffect: Lessthan±0.02%/°F
PressureLimit: 2Xfullscale
PowerRequirement: 10to28VDC
OutputSignal: 4to20mADC,2‐wire
ResponseTime: 50ms
Max.LoopResistance: 900ohms
ElectricalConnections: Wirepigtail
CableLength:‐__01/‐__11:40’(12.2m)
‐__21/‐__31:60’(18.3m)
MountingOrientation: Suspendedintankbelow
levelbeingmeasured‐Can
beplacedonthebottomof
thetankonitsside
Weight: 2.2lb(1.0kg)–(LD31
series)
4.3lb(2.0kg)–(LD32
series)
AgencyApprovals: CE,ULIntrinsicallySafeto
ULStandard913.(See
IntrinsicSafetyApproval
Classification.)


ThefollowingstandardswereusedforCEapproval:
 IEC61000‐4‐2:2001
 IEC61000‐4‐3:2006
 IEC61000‐4‐4:2004
 IEC61000‐4‐5:2005
 IEC61000‐4‐6:2006
 IEC61000‐4‐8:2001
 CENELECEN55011:2003
 CENELECEN61326:2003
 89/336/EECEMCDirective

WARNING: To prevent ignition of flammable or
combustible atmospheres, disconnect power before
servicing.Use with approved safety barriers using
entityevaluation.

Series LD31 LD32
Vmax 26VDC 28VDC
Imax 93mA 93mA
Ci 0.051uF 0.051uF
Li 240uH 240uH
Pi 0.651W 0.651W

WARNING: Do not exceed specified supply voltage
ratings.Permanentdamagenotcoveredbywarranty
willresult.Thisdeviceisnotdesignedfor120or240
voltACoperations.Useonlyon10to28VDC.



OptionalDesiccantFilter(LD90‐3000):
o Forextraprotectionagainsthumidityweofferthe
LD90‐3000desiccantfilterthatcanbeattachedto
theventtube.


OptionalCableHanger(LD90‐S000):
o Attachthecablehangertothe½”threadoftheLD31orLD32seriesand
connecttotheloopachaintoprovideasecuremethodforloweringand
raisingthe
sensor.
o Thecablehangerisidealforsumpsorwetwells.
