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Continuous level sensor


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Technische Details
Product characteristics
Number of inputs and outputs Number of digital outputs: 1; Number of analogue outputs: 1
Probe length L [mm] 472
Media hydrous coolants; mineral oils (dielectric constant < 3); water; media similar to water
Dielectric constant of the medium > 2
Cannot be used for media with separation layers (oil / water; oil / metal layer); acids and alkalis
Medium temperature [°C] 0...65; (medium temperature for oils; medium temperature for coolant emulsions, water and hydrous media)
Tank pressure [bar] 0.5; (when mounting with mounting accessories: E43001 - E43007, E43019)
Electrical data
Operating voltage [V] 18...30 DC
Current consumption [mA] < 80
Protection class III
Reverse polarity protection yes
Power-on delay time [s] 3
Inputs / outputs
Number of inputs and outputs Number of digital outputs: 1; Number of analogue outputs: 1
Total number of outputs 2
Output signal switching signal; analogue signal
Electrical design PNP
Number of digital outputs 1
Output function normally open / normally closed; (parameterisable)
Max. voltage drop switching output DC [V] 2.5
Permanent current rating of switching output DC [mA] 200
Number of analogue outputs 1
Analogue current output [mA] 4...20
Max. load [Ω] 500
Analogue voltage output [V] 0...10
Min. load resistance [Ω] 2000
Short-circuit protection yes
Type of short-circuit protection pulsed
Overload protection yes
Measuring/setting range
Probe length L [mm] 472
Active range A [mm] 390
Inactive range I1 / I2 [mm] 53 / 30
Setting range
Set point SP [mm] 40...415
Reset point rP [mm] 35...410
In steps of [mm] 5
Hysteresis [mm] 5
Accuracy / deviations
Measuring error [% of the final value] ± 5
Repeatability ± 2
Software / programming
Adjustment of the switch point programming button
Operating conditions
Ambient temperature [°C] 0...60
Storage temperature [°C] -25...80
Protection IP 67
Tests / approvals
EN 61000-4-2 ESD 4 kV CD / 8 kV AD
EN 61000-4-3 HF radiated 10 V/m
EN 61000-4-4 Burst 2 kV
EN 61000-4-5 Surge 500 V / 1 kV
EN 61000-4-6 HF conducted 10 V
Shock resistance
12 g
Vibration resistance
2.5 g
Mechanical data
Dimensions [mm] Ø 16
Materials EPDM/X; FKM; brass Optalloy-plated; NBR; PA; PBT; PC; PP
Materials (wetted parts) PP
Displays / operating elements
switching status LED, red
function display 7-segment LED display
measured values 7-segment LED display
For water and hydrous media with temperatures > 35 °C install the unit into a climatic tube.
Pack quantity 1 pcs.
Electrical connection
Connection Connector: 1 x M12; Contacts: gold-plated
ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — LK3023-00 — 14.11.2012 —