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  1. Products
  2. Sensors
  3. Level sensors
  4. Use in applications with coolants, cleaning agents and lubricants as well as hydraulic oils
  5. LK8122

Electronic level sensor

LK8122

LK0264B-B-00KVPKG/US

Electronic level sensor

LK8122

LK0264B-B-00KVPKG/US

  • Für die zuverlässige Füllstandüberwachung von Tanks und Behältern
  • Geeignet für Wasser, Öle und Kühlschmiermittel
  • Gut ablesbares 4-stelliges LED-Display
  • Convenient operation via buttons or parameter setting via IO-Link
For 8-pole sockets the core colours are not standardised. Please note the wiring of the sensor and the sockets (see data sheet).
  • ce
  • ukca
  • cul
  • iolink
Product characteristics
Number of inputs and outputs Number of digital outputs: 4
Factory setting hydrous coolants; water; media similar to water
Probe length L [mm] 264
Application
Special feature Gold-plated contacts
Media hydrous coolants; oils; oil-based media; 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; food and electroplating industry
Maximum speed of the change of level [mm/s] 100
Tank pressure [bar] 0.5; (when mounting with mounting accessories: E43001 - E43007, E43019)
Coolants
Medium temperature [°C] 0...35; (with climatic tube E43100: 35...65 °C)
Oil
Medium temperature [°C] 0...70
Medium temperature short time [°C] 0...90; (< 1 h)
Water
Medium temperature [°C] 0...35; (with climatic tube E43100: 35...65 °C)
Electrical data
Operating voltage [V] 18...30 DC
Current consumption [mA] < 50
Protection class III
Reverse polarity protection yes
Power-on delay time [s] < 3
Measuring principle capacitive
Inputs / outputs
Number of inputs and outputs Number of digital outputs: 4
Outputs
Total number of outputs 4
Output signal switching signal; IO-Link
Electrical design PNP/NPN
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
Factory setting hydrous coolants; water; media similar to water
Probe length L [mm] 264
Active range A [mm] 195
Inactive range I1 / I2 [mm] 53 / 16
Setting range
Set point SP [mm] 25...200
Reset point rP [mm] 20...195
In steps of [mm] 5
Reference point OP [mm] 69 - 82 - 94 - 106 - 118 - 130 - 143 - 155 - 167 - 179 - 191 - 204 - OFF
Hysteresis, OP [mm] 2
Accuracy / deviations
Measuring error [% of the final value] ± 5
Repeatability ± 2
Resolution [mm] 5
Software / programming
Parameter setting options hysteresis / window; normally open / normally closed; switching logic; SP/rP position; adjustment OP; medium selection; offset setting; switch-on/switch-off delay
Interfaces
Communication interface IO-Link
Transmission type COM2 (38,4 kBaud)
IO-Link revision 1.1
SDCI standard IEC 61131-9
Profiles Smart Sensor: Process Data Variable; Device Identification, Device Diagnosis
SIO mode yes
Required master port type A
Process data analogue 2
Process data binary 4
Min. process cycle time [ms] 3.2
Supported DeviceIDs
Type of operation DeviceID
default 21
Operating conditions
Ambient temperature [°C] 0...60
Storage temperature [°C] -25...80
Protection IP 67
Tests / approvals
EMC
DIN EN 61000-6-2
DIN EN 61000-6-4
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] 227
Mechanical data
Weight [g] 290.4
Dimensions [mm] Ø 16
Materials stainless steel (1.4301 / 304); stainless steel (1.4404 / 316L); FKM; NBR; PBT; PC; PA; PP; TPV
Materials (wetted parts) PP
Displays / operating elements
Display
Display unit 2 x LED, green (cm, inch)
switching status 4 x LED, yellow (OUT4...OUT1)
measured values alphanumeric display, 4-digit
parameter setting alphanumeric display, 4-digit
Remarks
Pack quantity 1 pcs.
Electrical connection
Connection Connector: 1 x M12; coding: A; Contacts: gold-plated