Accuracy / Deviations
Measurement error	± 5 % of end value
Repeatability	± 2
Resolution	5 mm
Zero signal voltage	0 V
Zero signal current	4,0 mA
Full signal voltage	10 V
Full signal current	20 mA
Approvals / tests
EMC	DIN EN 61000-6-4; DIN EN 61000-6-2
Shock resistance	DIN EN 60068-2-29 / 15 g (11 ms)
Vibration resistance	DIN EN 60068-2-6 / 5 g (10...2000 Hz)
MTTF	194 years
Displays / controls
Indication	Display unit / status / 2 x LED, green (cm, inch); switching state / 1 x LED, yellow; measured values / alphanumeric display, 4-digit; parameterization / alphanumeric display, 4-digit
Electrical connection
Plug connection	1 x M12; Coding: A; Contacts: 4, gold-plated
Electrical data
Operating voltage	18...30 DC V
Electricity consumption	< 50 mA
Protection class	III
Standby delay time	< 3 s
Measurement principle	Capacitive
Reverse polarity protection
Environmental conditions
Ambient temperature	0...60 °C
Storage temperature	-25...80 °C
Degree of protection	IP 67
Field of application
Special feature	Gold-plated contacts
Media	Water-based coolant; oils; oil-based media; water; water-like media
Dielectric constant of medium	> 2
Not suitable for	highly conductive media; adhering media; granulates; bulk materials; acids; alkalis; food and electroplating industry
Maximum speed of level change	200 mm/s
Container pressure	0.5; (with mounting accessories: E43001 - E43007, E43019) bar
Medium temperature	0...35; (with climate tube E43101: 35...60 °C) °C
Medium temperature short-term	0...90; (< 1 h) °C
Interfaces
Communication interface	IO-Link
Transmission type	COM2 (38.4 kBaud)
IO-Link revision	1.1
SDCI standard	IEC 61131-9
Profiles	Smart Sensor - SSP 0 / Generic Profiled Sensor; Function / Device identification; Function / Process data variable; Function / Device diagnosis
Required master port class	A
Analog process data	2
Process data binary	1
Min. process cycle time	3,2 ms
Supported DeviceIDs	Operating mode / DeviceID; default / 650
SIO mode
Measurement / adjustment range
Active area A	390 mm
Inactive zone I1 / I2	60 / 22 mm
Switching point SP	35...390 mm
Reverse switch point rP	30...385 mm
Hysteresis	5 mm
Reference point OP	139 - 163 - 188 - 212 - 236 - 261 - 285 - 310 - 334 - 358 - 383 - 407 - OFF mm
Hysteresis OP	3 mm
Mechanical data
Dimensions	Ø 16 mm
Materials	1.4301 (stainless steel / 304); 1.4404 (stainless steel / 316L); FKM; NBR; PBT; PC; PA; PP; TPV
Materials in contact with the medium	PP
Outputs
Total number of outputs	2
Output signal	Switching signal; Analogue signal; IO-Link
Electrical version	PNP/NPN
Number of digital outputs	1
Output function	Normally open contact (NO) / Normally closed contact (NC); (configurable)
Max. voltage drop switching output DC	2,5 V
Continuous current rating of switching output DC	200 mA
Number of analogue outputs	1
Analog output current	4...20, reversible mA
Max. load	500 Ω
Analog output voltage	0...10, reversible V
Minimum load resistance	2000 Ω
Short-circuit protection type	thermal, timed
Short-circuit protection
Overload resistant
Product features
Number of inputs and outputs	Number of digital outputs: 1; Number of analog outputs: 1
Factory setting	Water-based coolant; water; water-like media
Rod length L	472 mm
Software / Programming
Parameterization options	Hysteresis / window; Normally open contact (NO) / Normally closed contact (NC); switching logic; current/voltage output; SP/rP position; OP adjustment; medium selection; offset setting; switching/return delay

Electronic level sensor, DC PNP, Connector, 4-digit alphanumeric display, 1 analogue output (OUT2), 1 overflow output (OUT-OP), 4-digit alphanumeric display
Application: Hydrous coolants, oils, water, media similar to water
Operating voltage: 18...30 V DC
Electrical design: DC PNP
Output function: 1 x analogue 4...20 mA / 0...10 V (OUT2);, 1 x normally open / closed programmable (OUT-OP)
Current rating: 200 mA
Probe length L: 472 mm
Active range A: 390 mm
Connection: M12 connector (according to EN 61076-2-101)
Housing materials: stainless steel (304S15); FKM; NBR; PBT; PC; PEI; PP; TPE / V
Materials (wetted parts): PP
Medium temperature oil: 0...70 °C
Medium temperature water and hydrous media: 0...35 (LK3123 + E43101: 0...60) °C
Medium temperature coolant emulsions: 0...35 (LK3123 + E43101: 0...60) °C
Ambient temperature: 0...60 °C
Protection: IP 67
Display: Display unit / status: 2 x LED green ; Switching status: 1 x LED yellow ; Measured values: 4-digit alphanumeric display ; Programming: 4-digit alphanumeric display
Accessories (to be ordered separately): Socket, Mounting accessories

Type: LK3123