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  4. Level Measurement
  5. Guided Level Radar
  6. LCR20

LCR20 Level Radar

Key Benefits at a Glance

  • Device for level measurement in liquids
  • Radar measuring device with Bluetooth® wireless technology and HART communication
  • Measuring range up to 20 m in fluids
  • Process temperature up to 80 °C (176 °F)
  • Process pressure up to 3 bar (43 psi)
  • Accuracy up to ± 2 mm
  • Commissioning, operation and maintenance via P+F Level app
  • Configurable by PACTware

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Product photo: Level Radar LCR20
Product photo: Level Radar LCR20
HART® interface
Approval
Product Compliance: USA - cCSAus
Product Compliance: Europe – CE
Approval
Bluetooth® interface
Note

All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

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DatasheetClassificationProduct DocumentationApprovalsSoftwareRelated Products

Technical data of LCR20

Measuring methodThe device is a measuring system that functions according to the time-of-flight method. The distance from the reference point (process connection of the measuring device) to the product surface is measured.
Construction typecompact device
SeriesLCR
Rated voltageUr10.5 ... 30 V DC
Current consumptioninput current : max. 25 mA
start-up current : max. 3.6 mA
Power consumptioninput power : max. 675 mW
Surge protectionintegrated
Start-up timefirst stable measured value after 20 s at 24 V DC
Interface typeHART
Specification7.0
Supported functionsAdditional Transmitter Status
Vendor ID0x005D
Device ID0x5DD3
Codingsignal encoding, FSK ±0.5 mA over current signal
Transfer rate1200 Bit/s
Loadmin. 250 Ω
Interface typeBluetooth
Detection rangemax. 25 m
Configurationcommissioning, operation and maintenance via P+F Level app
- can be activated/deactivated
- password encryption
Communicationencrypted
Measured variabledistance between reference point and product surface
Measuring range- device with 40 mm (1.5 inch) antenna: max. 15 m (49 foot)
- device with 80 mm (3 inch) antenna: max. 20 m (66 foot)
Operating frequencyapprox. 26 GHz , K-Band
Transmitter radiated powermean power density in the direction of the beam
- at a distance of 1 m (3.3 foot): < 12 nW/cm2
- at a distance of 5 m (16 foot): < 0.4 nW/cm2
Output signal4 ... 20 mA , measured value output and power supply
Signal on alarmcurrent output: 22.5 mA (in accordance with NAMUR recommendation NE 43)
operating tool via digital communication (HART) or P+F Level (app)
- status signal (as per NAMUR Recommendation NE 107)
- plain text display with remedial action
Electromagnetic compatibility
Directive 2014/30/EUEN 61326-1:2013 (industrial locations)
Low voltage
Directive 2014/35/EUEN 61010-1:2010
Electromagnetic compatibilityNE 21
Degree of protectionIEC 60529:2001
Vibration resistanceDIN EN 60068-2-64 / IEC 60068-2-64
Climate classDIN EN 60068-2-38/IEC 68-2-38
BluetoothIEEE 802.15.1
Accuracyup to ± 2 mm
Process conditions
Process temperature-40 ... 80 °C (-40 ... 176 °F)
Process pressurethreaded process connection
relative pressure : -1 ... 3 bar (-14.5 ... 43.5 psi)
absolute pressure : < 4 bar (58 psi)
UNI flange process connection
relative pressure : -1 ... 1 bar (-14.5 ... 14.5 psi)
absolute pressure : < 2 bar (29 psi)
State of aggregationliquid
Dielectric constant4 ... 10 , e. g. concentrated acid, organic solvents, ester, aniline, alcohol, acetone, ...
> 10 , e.g. conductive liquids, aqueous solutions, diluted acids and bases
Ambient temperature-40 ... 80 °C (-40 ... 176 °F)
-40 ... 60 °C (-40 ... 140 °F) when using the Bluetooth connection
Storage temperature-40 ... 80 °C (-40 ... 176 °F)
Vibration resistance20 ... 2000 Hz, 1 (m/s2)2/Hz
Degree of protectionIP68, NEMA 6P (24 hours in water 1.83 m (6 ft) deep)
IP66, NEMA 4X
Connectioncable 2 x 0,75 mm2
Materialsensor housing: PVDF
seal: EPDM
back side process connection: PVDF
cable gland: PA
conduit adapter: CuZn nickel-plated
O-ring: EPDM
counter nut: PA6.6
design ring: PBT-PC
front side process connection: PVDF
cable: PVC
Cable
LengthL5 m
10 m
20 m
specified length, any length from 5 to 300 m (16 ... 980 foot)
Mass- device with 40 mm (1.5 inch) antenna with 5 m cable: 2.5 kg
- device with 80 mm (3 inch) antenna with 5 m cable: 2.8 kg
Dimensions- device with 40 mm (1.5 inch) antenna: ∅75 x 140 mm
- device with 80 mm (3 inch) antenna: ∅115 x 206 mm
Process connectionBack side: thread ISO228 G1, ASME MNPT1
Front side:
- thread ISO228 G1-1/2, ASME MNPT1-1/2
- thread ISO228 G2, ASME MNPT2
- UNI slip on flange 3 inch/DN80/80, 4 inch/DN100/100, 6 inch/DN150/150
EU-type examination certificatesee instruction manuals (SI)
Directive conformity
Directive 2014/34/EUEN IEC 60079-0:2018 , EN 60079-11:2012 , EN 60079-26:2015
CSA approvalsee instruction manuals (SI)
IECEx approvalsee instruction manuals (SI)
Telecommunicationsradio license FCC
Supplementary documentationtechnical information (TI)
manuals, brief instructions (BA, KA)
instruction manuals (SI)
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.
Designationsee technical information (TI)
General Notes
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