Electronic Level Switches

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Electronic level switches: What you need to know

Electronic level switches: What you need to know

Whether you are storing oil, water or bulk solids like wood chips and granules, PVL has a solution and this paper examines a few of the options...

To download the 'Electronic Level Switches: What you need to know' PDF Click here..
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RFLS-35 High Frequency Level Sensor

RFLS-35 High Frequency Level Sensor

  • Designed for reliable limit level sensing of wide-range of fluids (electrically conductive or non-conductive), mashed and paste-like materials
  • Resistant to adhesion of viscous and sticky media (ketchup, yoghurt, spreads, syrups, creams, pastes, cleaning agents, alkalis, etc.)
  • Replacement of vibration fork level sensors
  • Unique function for media recognition "Medium window" (sensor is sensitive only to set medium and does not react to substances with a lower or higher permittivity)
  • Direct mounting into tanks, vessels, sumps, pipes or funnels and containers.
Download a datasheet for the RFLS-35 Level Sensor here.. Download a datasheet for the RFLS-35 Level Sensor

CLS-23 Capacitive Level Sensor

CLS-23 Capacitive Level Sensor

  • Detection of various types electrical conductive or non-conductive
    liquids (water, water solution, cooling liquids, oil, ets.)
  • Sensitivity setting by means of magnetic pen
  • Direct mounting into various containers, vessels, tanks, etc.
  • Outputs S, PNP, NAMUR (for explosive areas)
  • High temperature performance, pressure resistance up to 7 MPa
  • Process coupling - thread M18, M20, G3/8“ or 1/2–14 NPT
Download a datasheet for the CLS Capacitive Level Sensor here.. Download a datasheet for the CLS 23 Capacitive Level Sensor

CPS-24 Capacitive Proximity Switch

CPS-24 Capacitive Proximity Switch

  • Detect liquids in glass or plastic pipes, indicate liquids in inter-coat space of double coated tanks
  • Adjustable sensitivity
  • NPN, PNP or NAMUR output
  • Material of housing and nut from stainless steel
  • Version for usage in explosive areas
  • LED state indication
Download a datasheet for the Capacitive proximity switch here.. Download a datasheet for the CLS 23 Capacitive Level Sensor

DLS-27 Capacitive Level Sensor

DLS-27 Capacitive Level Sensor

  • Direct mounting into various containers, vessels, silos, tanks, filling inlets, reservoirs, etc.
  • Outputs NPN, PNP, NAMUR (for explosive areas)
  • Sensitivity and hysteresis fluently adjustable
  • Supply voltage 7 ... 36V DC (NAMUR 8 ... 12V DC)
  • Material of housing and electrode from stainless steel
  • Process coupling - thread M27x2; M30x1.5; G3/4“ or Triclamp
  • LED state indication
Download a datasheet for the CLS Capacitive Level Sensor here.. Download a datasheet for the DLS 27 Capacitive Level Sensor

CLS-53N Capacitive Level Switch

CLS-53N Capacitive Level Switch

  • Detection of various types bulk-solid materials (pellets, wooden chips, granulates,
    cereals, sand, etc.) in various metal and plastic hoppers, containers, and silos
  • Simple sensitivity setting by means of magnetic pen
  • Two or three-wire connections directly to the relay circuit or PLC logic unit
  • Wide range of supply voltage upt to 230V AC/DC (CLS-53N-SAC)
Download a datasheet for the CLS Capacitive Level Switch here.. Download a datasheet for the CLS 53N Capacitive Level Sensor

CLS-23S Submersable Level Sensor

CLS-23S Submersable Level Sensor

  • Very easy installation without adjustment
  • Stainless steel removable protection basket
  • Maximum immersion depth 100 m
  • Two-wire connection directly to relay circuit or to control system input
Download a datasheet for the CLS Capacitive Level Sensor here.. Download a datasheet for the CLS 23s Submersable Level Sensor

GPLS-25 Thru-Wall Level switches

GPLS-25 Thru-Wall Level switches

  • Miniature performance in plastic housing
  • Simple sensitivity setting by means of magnetic pen
  • Two-wire connection directly to the relay circuit or PLC input
  • Types with fixed cable or with a connector LED state indication
Download a datasheet for the Capacitive proximity switch here.. Download a datasheet for the GPLS Thru-wall Level Switch

FLD-48 Flexible Level Sensor

FLD-48 Flexible Level Sensor

  • Suitable for plastic containers tanks, plastic tanks, cans and basins, etc..
  • Miniature performance in flexible housing
  • Possibility of placing at curved surface
  • Simple self-adhesive fixation
  • Configuration and adjustment by means of third “programming” wire
  • LED status indicator
Download a datasheet for the FLD Flexible Level Sensor here.. Download a datasheet for the FLD 48 Capacitive Level Sensor

CNP-18 Conductive Probes

CNP-18 Conductive Probes

  • For limit level detection of liquids
  • Media temperature up to +130°C
  • Simple assembly, long service-life
  • Housing and electrode is from stainless steel
  • Designed with short bar electrode or dismountable rod electrode
Download a datasheet for the CNP-18 Conductive Probes here.... Download a datasheet for the LS300/500

LS300 With LS500 Thermal Limit Switch With ATEX Approval

LS300 With LS500 Thermal Limit Switch With ATEX Approval

  • Reliability proven over 45 years
  • Polarity-independent two-wire terminal to the transducer
  • Permanent self-testing of the sensors
  • Space-saving, robust and corrosion-free design
  • No moving parts
  • No on-site calibration required
  • Absolutely maintenance-free
  • Approved for Ex zone 0
Download a datasheet for the LS300 & LS500 here.... Download a datasheet for the LS300/500

AO3 & EA Conductivity Probes & Controller

AO3 & EA Conductivity Probes & Controller

  • Stainless steel probe holders - 3/8" BSP thread
  • Maximum pressures from 10bar to 35 bar
  • Up to 250degC temperature with EA 20 probe
  • Din rail mounting control with optional manual reset
  • 24Vac, 110Vac & 230Vac supply
  • Ability to control 2 x levels for emptying & filling
Download a datasheet for AO3 & EA Conductivity probes here.. Download a datasheet for the AO3 & EA Conductivity Probes & Controller

Bedia Capacitance Probe

Bedia Capacitance Probe

  • Self contained electronics
  • Self testing function
  • 9 - 36 Vdc supply range
  • No moving parts
  • Choice of threads
  • Oil & water sensing options
Download a datasheet for the Bedia capacitance probe here.. Download a datasheet for the Bedia Capacitance Probe

E14 Conductivity Probes & Controller

E14 Conductivity Probes & Controller

  • Up to 4 x 1 metre long electrodes
  • Polypropylene electrode holder
  • 3/4" BSP thread Atmospheric pressure and 60°C only
  • DIN rail mounted controller
  • Ability to control 2 x levels or alarms
Download a datasheet for the AO3 & EA conductivity probes here.. Download a datasheet for the E14 Conductivity Probes & Controller

FLEXI Capacitance \Probe & Controller

FLEXI Capacitance \Probe & Controller

  • Continuous level control with flexible probe
  • Suitable for water, oil or acids
  • 4 - 20mA output
  • 4 x adjustable switch-points
  • No moving parts
  • Models available for tanks up to 3 metres deep
Download a datasheet for the FLEXI Capacitance Probe here.. Download a datasheet for the FLEXI Capacitance \Probe & Controller

LABO LK012 Level Sensor/ Switch

LABO LK012 Level Sensor/ Switch

  • Complete electronic level switch in 12 mm housing
  • Independent of conductivity, colour, ...
  • Suitable for fluids and finer granulates
  • Programmable hysteresis
  • Suitable for very variable fluids
  • Programmable power-on/power-off delays
  • Very simple to use

Download a datasheet for the LABO LK012 Level Sensor here..
Download a datasheet for the Labo F012-I Flow Transmitter
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