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SITRANS Probe LU240 Ultrasonic Level Transmitter

Brand: Siemens AG
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SITRANS Probe LU240 ultrasonic level transmitter is a cost-effective, compact, intelligent level solution for liquid chemical inventory, monitoring small process vessels, and level monitoring measurement in the environmental industry.
Features
  • Continuous Level Measurement Up To 12 M (40 Ft) Range
  • Easy Installation And Simple Startup
  • Programming Using 4-button HMI Or SIMATIC PDM 
  • Communication Using HART 
  • ETFE Or PVDF Transducers For Chemical Compatibility 
  • Process Intelligence signal Processing 
  • Auto False Echo Suppression For Fixed Obstruction Avoidance 
  • Low power And Current Startup 
  • Optional Bluetooth configuration And Monitoring Via SITRANS Mobile IQ

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Specifications

Brand

Measuring Range

  • 3 m (10 ft): 0.2...3 m (8 inch...10 ft)
  • 6 m (20 ft) model: 0.2...6 m (8 inch...20 ft)
  • 12 m (40 ft) model: 0.2... 12 m (8 inch...40 ft)

Frequency

  • 54 kHz

Outputs - mA/HART

  • Range: 4...20 mA
  • Accuracy: ± 0.0096 mA
  • HART version: 7
  • Startup current: 3.6 mA
  • Fail-safe: Programmable as high, low, or hold (loss of echo) per NAMURNE43

Resolution

  • 3 mm (0.12 inch)

Accuracy

  • 3 m (10 ft) version: 10 mm (0.39 inch)
  • 6 m (20 ft), 12 m (40 ft) version: ± the greater of 0.15 % of Range or 6 mm (0.25 inch) [valid from 0.25 m (0.82 ft)], ± 2 mm (0.08 inch) on ranges 4 m (13 ft) or less

Non-Repeatability

  • 3 mm (0.12 inch)

Blanking Distance

  • 0.2 m (0.66 ft)

Update Time

  • 4 s

Temperature Compensation

  • Built-in to compensate over temperature range

Ambient Conditions

  • Location: Indoor/outdoor
  • Ambient temperature: Storage: -40° to +85° C (-40° to +185° F), Operating: -40° to +80° C (-40° to +176° F)
  • Relative humidity/ingress protection: Suitable for outdoor
  • Installation category: I
  • Pollution degree: 4

Beam Angle

  • 10°

Medium Conditions

  • Temperature at flange or threads: -40° to +85° C (-40° to +185° F)
  • Pressure (vessel): 0.5 barg (7.25 psig)
  • Display: -20…+80° C (-4…+176° F)

Material (Enclosure)

  • PBT (Polybutylene Terephthalate)

Degree of Protection

  • Type 4X, Type 6, IP66, IP68

Weight

  • 0.93 kg (2.1 lb)

Cable Inlet

  • 2 x M20 x 1.5 cable gland
  • 1x 1/2” NPT thread

Material (Transducer)

  • ETFE (Ethylene Tetrafluoroethylene)
  • PVDF (Polyvinylidene Fluoride) Buna-N seal

Threaded Connection

  • 2” NPT [(Taper), ASME B1.20.1]
  • R2” [(BSPT), EN 10226]
  • G2” [(BSPP), ENISO 228-1]

Flange Connection

  • 3 inch (80 mm) universal flange

Other Connection

  • FMS200 mounting bracket
  • customer supplied mount

Interface

  • Local: LCD display
  • Remote: Available via HART or Bluetooth

Configuration

  • 4-buttonHMI

Memory

  • Non-volatile EEPROM
  • no battery required

Power Supply

  • 4... 20 mA/HART: 10.5...30 Vdc

Certificates & Approvals

  • FM
  • CCSAUS
  • CE
  • UKCA
  • RCM
  • EAC
  • KC
  • VLAREM II
  • ATEX II 1G Ex ia IIC T4 Ga
  • UKEX II 1G Ex ia IIC T4 Ga
  • IECEx SIR 18.0013X Ex ia IIC T4 Ga
  • FM/CCSAUS Class I, Div. 1
  • Groups A, B, C, D, Class II, Div. 1
  • Groups E, F, G, Class III T4
  • INMETRO Ex ia IIC T4 Ga
  • NEPSI Ex ia IIC T4 Ga
  • SABS Ex ia IIC Tx Ga
  • EAC Ex 1G Ex ia IIC T4 Ga
  • KCs Ex ia IIC T4
  • FM, Class I, Div. 2, Groups A, B, C, D Tx
  • Lloyd’s Register
  • American Bureau of Shipping (ABS)
  • DNV GL
  • Bureau Veritas
  • CCS
  • MCERTS
  • CPA
  • Kazakhstan pattern approval
  • Radio (Bluetooth) - USA, Canada, EU, China

  • Chemical Storage Vessels
  • Filter Beds
  • Liquid Storage Vessels

Documentation

Brochure

Data Sheet

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