Müller Industrie-Elektronik GmbH Müller Industrie-Elektronik GmbH
Level Measurement

Level Measurement

Optical level sensor
OFST-ID | ID: FT

Optical level sensor

type: OFST-ID | ID: FT

technical features

  • Measuring range: up to 4000 mm
  • Accuracy: ± 3 mm
  • Tank geometry: Standard formats + 20 measuring points
  • Sampling rate: 1 Hz
  • Output: 4…20 mA
  • Supply: 8…33 VDC
  • Operating range: - 20…80°C
  • Interface: Bluetooth
  • Material: polycarbonate / NBR seal
  • Protection class: IP68
  • Dimensions: Ø 66 x 31 mm

Level sensor with float
MELS-FTEx | ID: GI

Level sensor with float Ex

type: MELS-FTEx | ID: GI

technical features

  • Input: level 100…2000 mm
  • Output: 4…20 mA, 2-wire / 0…10 V, 3-wire
  • Supply: 12…30 VDC
  • Accuracy: see technical data
  • Process connection: several options
  • Electr. connection: several plugs
  • Electr. connection: lateral, Option: top
  • Operating temperature: -20…+75 °C, 2-wire / -20…+50 °C, 3-wire
  • Explosion protection: ATEX, IECEx
  • Medium temperature: max. 0…+100 °C
  • Protection class: min. IP65 / IP68

Level sensor with float
MELS-FT | ID: OV

Level sensor with float

type: MELS-FT | ID: OV

technical features

  • Measuring element: float
  • Potting: electronics completely potted
  • Material: in contact with medium stainless steel 1.4571
  • Process connection: 1", 1,5", 1"NPT
  • Output: 4...20 mA
  • Configuration: software
  • Electrical connection: lateral, upwards
  • Connection: M12, Super Seal, Deutsch, Bayonet, valve, cable
  • Protection: at least degree IP65

Ultrasonic Sensor
MEUS | ID: OX

Ultrasonic Sensor *'*

type: MEUS | ID: OX

technical features

  • Input: Ultrasonic echo
  • Ranges: 300...3500 mm, 200...2000 mm
  • Output: 4...20 mA, 3-wire system
  • Supply: 24 VDC
  • Process connection: M30x1,5, M18x1
  • Electrical connection: M12x1, 8-pole
  • Temperature range: -15...+70 °C
  • Limit value contacts: 2 electronically (NPN/PNP)
  • Configuration: with keys/software
  • Material sensor tube: stainless steel, Option: synthetic

Capacitive level switch for pharma and food
PFKS | ID: ▒

Capacitive level switch for pharma and food

type: PFKS | ID: ▒

technical features

  • Input: Aqueous media
  • Output: PNP, 50 mA
  • Supply: 24 VDC
  • Reponse time: 140 ms
  • Process connection: G1/2" hygienically
  • Electrical connection: M12x1, 4-pole
  • Temperature range: -10...60 °C (operation)
  • Sensor tip: PEEK
  • System pressure: 10 bar maximum
  • Process temperature: 0...100 °C
  • Protection: IP67 (electronics) / IP68

Level sensor with float HART
MELS-F | ID: OL

Level sensor with float

type: MELS-F | ID: OL

technical features

  • Measuring element: float
  • Potting: electronics completely potted
  • Material: in contact with medium stainless steel 1.4571
  • Process connection: 1", 1,5", 1"NPT
  • Output: 4...20 mA
  • Limit value contacts: 2 electronically
  • Configuration: with keys/software
  • Connection: M12, Super Seal, Deutsch, Bayonet, valve, cable
  • Protection: at least degree IP65

Modular conductivity level switch
MKCS | ID: MC

Modular conductivity level switch

type: MKCS | ID: MC

technical features

  • Input: conductivity
  • Medium: non aggressive fluids
  • Fitting length: up to 200 mm
  • Process connection: several options
  • Electrical connection: several options
  • Material body: stainless steel 1.4571
  • Material insulator: Teflon
  • Output: 1 electronic changeover contact or conductivity
  • Degree of protection: IP67

Modular and compact level sensor/switch
MKLS | ID: MN

Modular and compact level sensor/switch *'*

type: MKLS | ID: MN

technical features

  • Input: conductivity
  • Level: 100...2000 mm
  • Medium: non aggressive fluids
  • Option: with RTD Pt100, 2-wire
  • Process connection: several options
  • Electrical connection: several options
  • Material: stainless steel 1.4571
  • Output: 4...20 mA / contacts
  • Degree of protection: IP65 (electronics) /
    IP 68

Compact level limit value switch
FUELL | ID: FG

Compact level limit value switch

type: FUELL | ID: FG

technical features

  • For bulk goods with relative dielectric constant >2,5)
  • Range of temperature for medium: 0...+400°C
  • Voltage supply: 21...250 V AC/DC
  • Output: 1 potential free change over contact
  • Process connection: DIN flange DN100
  • Nearly no wear and maintenance free
  • Mounting: all silos and hoppers

Intrinsically safe level sensor GL- and Ex-approval
PT-HL | ID: UH

Intrinsically safe level sensor GL- and Ex-approval *'*

Typ: PT-HL | ID: UH

technical features

  • Ranges: 0...0,1 bar up to 0...10 bar
  • Output: 4...20 mA
  • Voltage supply: Current loop, 16...30VDC
  • Accuracy: 0,5% (0,25%)of span
  • Protection: IP68
  • Material enclosure: CrNi-Stahl, Hastelloy
  • Temperature range: -10...+85 °C
  • Connection: Cable

Intrinsically safe level sensor | Ex-approval
PT-IL | ID: UE

Intrinsically safe level sensor | Ex-approval

Typ: PT-IL | ID: UE

technical features

  • Ranges: 0...0,1 bar up to 0...10 bar
  • Output: 4...20 mA
  • Accuracy: 0,5% of span (option: 0,25% of span)
  • Temperature range: -10...+85 °C
  • Material enclose: CrNi-Stahl (option: Hastelloy)
  • Electrical connection: cable
  • Protection: IP68
  • Pressure connection: CrNi: 1/2";       Hastelloy: 1/4" female
  • Immersion depth: 100 m maximum

Bubbling through pressure transducer
ADLM-P | ID: EP

Bubbling through pressure transducer

type: ADLM-P | ID: EP

technical features

  • Measurement: Positive relative pressure (hydrostatic pressure)
  • Range: 0...1000 mbar, 0...50 mbar, 0...100 mbar, 0...200 mbar, 0...350 mbar
  • Output: 0..10V and 4...20mA
  • Accuracy: up to 1% of end scale value
  • Supply voltage: 24 VDC, +/-20%
  • Level measuring in all liquids possible
  • Aggressive and abrasive media are no problem
    Distance of point of bubbling through up to 50 m

Bubbling through pressure transducer with valve
ADLM-PV | ID: EV
ship

Bubbling through pressure transducer with valve

type: ADLM-PV | ID: EV

technical features

  • Measurement: Positive relative pressure (hydrostatic pressure)
  • Range: 0...1000 mbar, 0...50 mbar, 0...100 mbar, 0...200 mbar, 0...350 mbar
  • Output: 0..10V and 4...20mA
  • Accuracy: up to 1% of end scale value
  • Supply voltage: 24 VDC, +/-20%
  • Level measuring in all liquids possible
  • Aggressive and abrasive media are no problem
  • Distance of point of bubbling through up to 50 m

Conductive Level Sensor
PT-HL-T-C | ID: UQ

Conductive Level Sensor

Typ: PT-HL-T-C | ID: UQ

technical features

  • Ranges: 0...0,1 bar up to 0...25 bar
  • Output: 4...20 mA
  • Accuracy: 20% of span (conductivity)
  • Temperature range: -10...+85 °C maximum with FEP-cable
  • Material casing: CrNi steel 316L
  • Electrical connection: Fixed cable, open end, 15 m (standard)
  • Protection: IP68
  • Pressure connection: CrNi: 1/2" B
  • Immersion depth: 300 m maximum with PUR-cable

Spectrum of the Level Measuring Technology

Müller Industrie-Elektronik offers products for the level supervision: compact level limit value switches for the level limit monitoring in silos with bulk freights, modular conductivity level switches for watery media to the trend announcement of a level status up to modular level sensors.

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Update: 16.07.2025 | INHA
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