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discontinued article
For 8-pole sockets the core colours are not standardised.
Please note the wiring of the sensor and the sockets (see data sheet).
Date of discontinuation: {{"2017-03-31T00:00:00.000+02:00" | date}}

LL8024

Continuous level sensor with leakage monitoring

LL0728B-B-00KVPKG/US

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Dear customer,
Unfortunately, this data sheet is not available in the requested language. If you have any further questions, you can contact us by e-mail.

Best regards
Your ifm team

  • Reliable level detection in containers and tanks
  • For use in water, oils and coolants
  • Easy adjustment to the medium to be measured
  • Clearly visible 4-digit LED display
  • Two programmable switching outputs for leakage detection
  • ce
  • cul

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Technische Details
Product characteristics
Number of inputs and outputs Number of digital outputs: 4
Probe length L [mm] 728
Application
Special feature Gold-plated contacts
Media hydrous coolants; oils; water; media similar to water
Dielectric constant of the medium > 2
Cannot be used for extremely conductive media; adhering media; granulates; bulk material; acids; alkali
Tank pressure [bar] 0.5; (when mounting with mounting accessories: E43001 - E43007, E43019)
Coolants
Medium temperature [°C] 0...35; (LL8024 + E43102: 0...55; For water and hydrous media with temperatures > 35 °C install the unit into a climatic tube.)
Oil
Medium temperature [°C] 0...70
Medium temperature short time [°C] 0...90
Water
Medium temperature [°C] 0...35; (LL8024 + E43102: 0...55; For water and hydrous media with temperatures > 35 °C install the unit into a climatic tube.)
Electrical data
Operating voltage [V] 18...30 DC; (operating voltage "supply class 2" according to cULus)
Current consumption [mA] < 60
Protection class III
Reverse polarity protection yes
Power-on delay time [s] 3
Inputs / outputs
Number of inputs and outputs Number of digital outputs: 4
Outputs
Total number of outputs 4
Output signal switching signal
Electrical design PNP
Number of digital outputs 4
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
Short-circuit protection yes
Type of short-circuit protection thermal, pulsed
Overload protection yes
Measuring/setting range
Probe length L [mm] 728
Active range A [mm] 585
Inactive range I1 / I2 [mm] 102 / 40
Setting range
Set point SP [mm] 60...580
Reset point rP [mm] 50...570
In steps of [mm] 10
Hysteresis [mm] 10
Overflow switch point OP [mm] 200 - 240 - 280 - 310 - 350 - 390 - 420 - 460 - 500 - 530 - 570 -610
Hysteresis, OP [mm] 4
Temperature monitoring
Display range [°C] -10...100
Accuracy / deviations
Measuring error [% of the final value] ± 5
Repeatability ± 2
Software / programming
Parameter setting options hysteresis / window; normally open / normally closed; SP/rP position; OP position; adjustment OP; medium selection; offset setting; Display unit; settings for leakage monitoring
Operating conditions
Ambient temperature [°C] 0...60
Storage temperature [°C] -25...80
Protection IP 67
Tests / approvals
EMC
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 61000-4-6 HF conducted 10 V
Shock resistance
DIN EN 60068-2-29 15 g (11 ms)
Vibration resistance
DIN EN 60068-2-6 5 g (10...2000 Hz)
MTTF [years] 202
Mechanical data
Weight [g] 534.8
Dimensions [mm] Ø 16
Materials stainless steel (1.4301 / 304); FKM; NBR; PBT; PC; PEI; PP; TPE-V
Materials (wetted parts) PP
Displays / operating elements
Display
display unit / status 4 x LED, green
switching status 4 x LED, yellow
level alphanumeric display, 4-digit
parameter setting alphanumeric display, 4-digit
Remarks
Notes discontinued article; For 8-pole sockets the core colours are not standardised.; Please note the wiring of the sensor and the sockets (see data sheet).
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 — LL8024-00 — 28.10.2016 —