Selection
Point level vs continuous level: choose the control task first
A point level switch reports pre…
Leer guíaLISEN · BAUMER
Centro de conocimiento
Guías prácticas sobre selección, instalación, comportamiento del proceso y sustitución de sensores.
Los artículos técnicos y documentos de referencia están en inglés. Las páginas principales están disponibles en 20 idiomas.
64 guías técnicas
Selection
How frequency sweep point level detection works
Frequency sweep evaluates the el…
Leer guíaSelection
A complete level sensor selection checklist
Begin with the process and contr…
Leer guíaTechnology comparisons
Replacing a float switch with an electronic level switch
An electronic point switch can b…
Leer guíaTechnology comparisons
Vibrating fork vs electronic point switch
Both technologies can detect a l…
Leer guíaTechnology comparisons
Capacitive vs conductive level switches: what changes?
Conductive sensing depends on an…
Leer guíaTechnology comparisons
Radar vs point level switch: replacement or complement?
A radar transmitter and a point …
Leer guíaTechnology comparisons
Ultrasonic level sensing vs a local point switch
Ultrasonic sensing measures dist…
Leer guíaTechnology comparisons
Hydrostatic level vs point detection in tanks
Hydrostatic measurement derives …
Leer guíaTechnology comparisons
Optical vs electronic point level switches
An optical switch detects a chan…
Leer guíaTechnology comparisons
Guided wave radar and point switches in the same design
Guided wave radar generally meas…
Leer guíaTechnology comparisons
Rotary paddle vs electronic point detection for solids
A rotary paddle detects resistan…
Leer guíaMedia behavior
Detecting foam or ignoring foam: define the objective
“Works with foam” is incomplete.…
Leer guíaMedia behavior
Level switches for sticky products and coating
For sticky media, the critical e…
Leer guíaMedia behavior
Low-dielectric media: why a water test is not enough
A sensor that switches clearly i…
Leer guíaMedia behavior
Oil/water differentiation: what a point switch can tell you
A configurable point sensor may …
Leer guíaMedia behavior
Point detection in powders and granules
Powder and granule applications …
Leer guíaMedia behavior
Selecting a level switch for slurry
Slurry selection must consider b…
Leer guíaMedia behavior
How temperature and viscosity affect point detection
Temperature can change both the …
Leer guíaMedia behavior
Conductivity and dielectric constant in level sensing
Conductivity and dielectric cons…
Leer guíaInstallation
Hygienic mounting: the sensor is only part of the assembly
A hygienic sensor requires a com…
Leer guíaInstallation
G½, BSPP and NPT: why the thread name matters
G½ parallel thread and ½ NPT tap…
Leer guíaInstallation
Nozzle length and sensing-tip position
A point switch must sense the pr…
Leer guíaInstallation
Horizontal and vertical point-switch mounting
A model that permits different o…
Leer guíaInstallation
Seals and gaskets in a level sensor package
The seal is part of the process …
Leer guíaInstallation
Why maximum temperature and pressure cannot be combined
A datasheet may list several max…
Leer guíaInstallation
PEEK, 316L and titanium: evaluate the actual wetted parts
Wetted-material selection requir…
Leer guíaInstallation
M12 connectors, IP67 and washdown service
The installed protection depends…
Leer guíaElectrical integration
PNP vs NPN: match the sensor to the PLC input
PNP and NPN describe different t…
Leer guíaElectrical integration
NO and NC do not define the entire fail-safe strategy
Normally open and normally close…
Leer guíaElectrical integration
20 mA switching load is not a 4–20 mA level signal
A maximum switching current of 2…
Leer guíaElectrical integration
Power-up time and startup logic for level switches
A sensor may need time after ene…
Leer guíaElectrical integration
Damping and debounce: control nuisance switching carefully
Time filtering can suppress brie…
Leer guíaElectrical integration
Using a point switch for pump dry-running detection
A point switch can indicate loca…
Leer guíaElectrical integration
High-level alarms and overfill: define the system function
A high-level switch provides a s…
Leer guíaElectrical integration
Hazardous-area sensor selection: verify the exact configuration
Hazardous-area suitability is sp…
Leer guíaApplications
Level switches for dairy and food processing
Food-processing selection combin…
Leer guíaApplications
Brewery applications: liquid presence, foam and cleaning
Brewery duties need a clear dist…
Leer guíaApplications
Level switch selection for pharmaceutical processes
Pharmaceutical applications need…
Leer guíaApplications
Level switches for chemicals and detergents
Chemical and detergent duties re…
Leer guíaApplications
Water-treatment level switches: more than clean water
Water-treatment applications can…
Leer guíaApplications
Point level detection in oils and lubricants
Oils and lubricants can have a s…
Leer guíaApplications
Specify a complete level sensor package for an OEM skid
An OEM package should define the…
Leer guíaApplications
Point switches for plastic granule hoppers
Granule hoppers need level detec…
Leer guíaTesting & maintenance
How to design a useful level switch sample test
A useful sample test defines the…
Leer guíaTesting & maintenance
Troubleshooting a switch that remains covered after draining
A persistent covered signal can …
Leer guíaTesting & maintenance
Troubleshooting a switch that does not detect product
Failure to indicate coverage can…
Leer guíaTesting & maintenance
Commissioning checklist for a point level switch
Commissioning should verify the …
Leer guíaTesting & maintenance
Maintaining electronic point level switches
No moving float does not mean no…
Leer guíaTesting & maintenance
CIP and SIP: specify the complete cleaning envelope
Cleaning and sterilization can i…
Leer guíaTesting & maintenance
How to review a sensor certificate without overclaiming
A certificate is useful only whe…
Leer guíaTesting & maintenance
Legacy LBFS, LBFS-2 and LBFI: keep the data separate
Similar Baumer family names do n…
Leer guíaProcurement
Lisen or Baumer: compare the required configuration
Compare Lisen and Baumer against…
Leer guíaProcurement
Compare total installed cost, not only sensor price
Total cost includes the sensor, …
Leer guíaProcurement
A spare sensor must match more than thread and voltage
A compatible spare must satisfy …
Leer guíaProcurement
What to include in a level sensor RFQ
A strong RFQ describes the requi…
Leer guíaSelection
LBFS, LBFS-2, PL20 and LFFS: a practical CleverLevel family map
CleverLevel is a portfolio, not …
Leer guíaCommissioning
Window trigger vs adaptive trigger: write a testable requirement
Choose trigger behavior accordin…
Leer guíaElectrical
Why a point sensor with 4–20 mA is not a tank level transmitter
An analog electrical signal does…
Leer guíaElectrical
IO-Link level switches: the commissioning record your PLC team needs
An IO-Link interface makes devic…
Leer guíaProcurement
Comparing Lisen and Baumer: build a like-for-like quotation
Compare the complete configured …
Leer guíaCommissioning
A sample test matrix for foam, coating and recipe changes
A useful sensor trial tests tran…
Leer guíaInstallation
High-temperature sensor selection: separate product, cleaning and ambient limits
High-temperature selection needs…
Leer guíaProcurement
Retrofit an existing level switch: a five-gate review
A replacement should pass mechan…
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