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Please see the technical note under "Downloads"

Continuous level sensor with overspill monitoring

LK0472A-A-00KUPKG/US/WHG

LK1223

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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
  • When used as overflow precention to Federal Water Act WHG § 19
  • ce
  • whg
Download
Technische Details
Application
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; (only for applications without pressure)
Coolants
Medium temperature [°C] 0...35
Oil
Medium temperature [°C] 0...65
Water
Medium temperature [°C] 0...35
Electrical data
Operating voltage [V] 12...30 DC
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: 2
Outputs
Total number of outputs 2
Output signal switching signal
Electrical design PNP
Number of digital outputs 2
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 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...390
Reset point rP [mm] 35...385
In steps of [mm] 5
Hysteresis [mm] 5
Overflow switch point OP [mm] 139 - 163 - 188 - 212 - 236 - 261 - 285 - 310 - 334 - 358 - 383 -407
Hysteresis, OP [mm] 3
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
Operating conditions
Ambient temperature [°C] 0...60
Storage temperature [°C] -25...80
Protection IP 67
Tests / approvals
Approval WHG § 19
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 61000-4-5 Surge 500 V / 1 kV
EN 61000-4-6 HF conducted 10 V
Shock resistance
DIN EN 60068-2-29 12 g (11 ms)
Vibration resistance
DIN EN 60068-2-6 2.5 g (10...2000 Hz)
MTTF [years] 266
Mechanical data
Weight [g] 590
Dimensions [mm] Ø 16
Materials EPDM/X; FKM; brass white bronze coated; NBR; PBT; PC; PP; PA
Materials (wetted parts) PP
Displays / operating elements
Display
switching status 2 x LED, red
measured values 7-segment LED display
parameter setting 7-segment LED display
Remarks
Notes Please see the technical note under "Downloads"
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 — LK1223-00 — 15.11.2012 —