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LFP Cubic 

Flexible up to the probe tip 

 
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Features 

 

Product description

The LFP Cubic is a level sensor that uses TDR technology (time domain reflectometry) and thus can be used in oil- and water-based liquids without calibration. The LFP's guided radar uses time-of-flight technology to measure electromagnetic pulses. The time difference between the sent pulse and the reflected pulse is used to calculate the level, both as a continuous value (analog output) and a freely positionable switching point (switching output). Due to its flexible probe that can be changed or cut, it is possible to integrate the sensor quickly into any application. The LFP Cubic can work in deposit-forming and foaming liquids. The sensor's intuitive setup uses four buttons and a display to ensure quick and easy adaptation to the application. In addition to the discrete and analog output signals, an IO-Link interface is available to transmit additional valuable process data to the control unit.

Product features

  • No mechanical moving parts
  • Manually cutable and exchangeable monoprobe with lengths from 200 mm up to 2,000 mm
  • Immune to deposit formation
  • Process temperature up to 100 °C; process pressure up to 10 bar
  • Small inactive areas, ideal for small containers
  • Accurate measurement, even when liquid type changes
  • 3-in-1: combined display, analog output (acc. NAMUR NE 43) and binary output
  • High enclosure rating of IP 67, rotatable housing

Customer benefits

  • Rugged design increases service life
  • High flexibility due to cutable and exchangable monoprobe
  • Cost savings due to multiple output signals: one system for both level detection and continuous level monitoring
  • Time and cost savings due to low maintenance and quick commissioning
  • No calibration or recalibration required for commissioning, thus saving time and costs
  • Compact and rotatable housing ensures flexible installation
  • No crosstalk when several sensors are mounted next to each other
  • Advanced technology enables adjustment-free measurement of oil- and water-based liquids

Applications

  • Monitoring coolants and lubricants in machine tooling
  • Monitoring cleanser and detergents in cleaning and washing machines
  • Monitoring filling tanks in automobile assembly
  • Level measurement in industrial processes with difficult ambient conditions

Technology 

 

  The LFP Cubic uses the TDR technology (TDR = Time Domain Reflectometry) – a process for determining the time of flight of electromagnetic waves. A low-energy, electromagnetic impulse is generated in the electronics of the sensor, coupled into the coaxial probe and run down the inside of the probe. When this impulse reaches the fluid on the surface to be measured, part of the impulses is reflected and runs along the probe back to the electronics, which then calculates the level from the time difference between the impulse sent and received on. The sensor can output this as continual measurement value (analog output) but can also derive freely positionable switching points from it (switching output).

 

Order Information 

 

The part numbers below show a selection of our common configurations and represent only an extract of the product portfolio.

  • Output signal: 1x PNP+1x PNP/NPN + 4 mA … 20 mA / 0  … 10 V
  • Process temperature: –20 °C ... +100 °C
  • Process pressure: –1 bar ... +10 bar
  • Electrical connection: M12x1, 5-pin
  • Enclosure rating: IP 67: EN 60529

LFP Cubic with process connection G 3/4 A

Model name Probe length Part no.
LFP0200-A4NMB 200 mm 1057073
LFP0300-A4NMB 300 mm 1057074
LFP0400-A4NMB 400 mm 1057075
LFP0500-A4NMB 500 mm 1057076
LFP0600-A4NMB 600 mm 1057077
LFP0700-A4NMB 700 mm 1057078
LFP0800-A4NMB 800 mm 1057079
LFP0900-A4NMB 900 mm 1057080
LFP1000-A4NMB 1000 mm 1057081
LFP1100-A4NMB 1100 mm 1057082
LFP1200-A4NMB 1200 mm 1057083
LFP1300-A4NMB 1300 mm 1057084
LFP1400-A4NMB 1400 mm 1057085
LFP1500-A4NMB 1500 mm 1057086
LFP1600-A4NMB 1600 mm 1057087
LFP1700-A4NMB 1700 mm 1057088
LFP1800-A4NMB 1800 mm 1057089
LFP1900-A4NMB 1900 mm 1057090
LFP2000-A4NMB 2000 mm 1057091

 

LFP Cubic with process connection 3/4 NPT

Model name Probe length Part No.
LFP0200-B4NMB 200 mm 1057092
LFP0300-B4NMB 300 mm 1057093
LFP0400-B4NMB 400 mm 1057094
LFP0500-B4NMB 500 mm 1057095
LFP0600-B4NMB 600 mm 1057096
LFP0700-B4NMB 700 mm 1057097
LFP0800-B4NMB 800 mm 1057098
LFP0900-B4NMB 900 mm 1057099
LFP1000-B4NMB 1000 mm 1057100
LFP1100-B4NMB 1100 mm 1057101
LFP1200-B4NMB 1200 mm 1057102
LFP1300-B4NMB 1300 mm 1057103
LFP1400-B4NMB 1400 mm 1057104
LFP1500-B4NMB 1500 mm 1057105
LFP1600-B4NMB 1600 mm 1057106
LFP1700-B4NMB 1700 mm 1057107
LFP1800-B4NMB 1800 mm 1057108
LFP1900-B4NMB 1900 mm 1057109
LFP2000-B4NMB 2000 mm 1057110

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