IFM LI2143 - level sensor for point level detection with overflow prevention LI0481--K-00KNPKG/US/WHG

For the reliable point level monitoring in tanks and containers.
Detection of minimum level, leakage or overflow of tanks.
Easy empty and full adjustment by pressing just one pushbutton.
Suitable for water, oils and coolants.
When used as overflow prevention with approval according to the German Federal Water Act (WHG)

Number of inputs and outputs	Number of digital outputs: 1
Probe length L [mm]	481

Special feature	Gold-plated contacts
Media	hydrous coolants; oils; water; media similar to water
Dielectric constant of the medium	> 1,8
Recommended media	hydrous coolants; oils; water; media similar to water
Cannot be used for	granulates; bulk material; acids; alkali
Tank pressure [bar]	-0.5...0.5;(when mounting with mounting accessories: E43001 - E43007, E43019)

Medium temperature [°C]	0...65

Medium temperature [°C]	0...35

Operating voltage [V]	10...36 DC
Current consumption [mA]	22;(24 V)
Protection class	III
Reverse polarity protection	yes
Measuring principle	capacitive

Inputs / outputs

Number of inputs and outputs	Number of digital outputs: 1

Outputs

Total number of outputs	1
Output signal	switching signal
Electrical design	PNP
Number of digital outputs	1
Output function	normally closed
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]	481
Active range A [mm]	31

Operating conditions

Ambient temperature [°C]	0...65
Protection	IP 65; IP 67

Tests / approvals

Approval	WHG § 19
EMC	EN 61000-6-2 : 2005 + Corr. 2005 EN 61000-6-4 : 2007
Shock resistance	DIN EN 60068-2-29 12 g (11 ms)
Vibration resistance	DIN EN 60068-2-6 5 g (10...2000 Hz)
MTTF [years]	608

Weight [g]	241
Dimensions [mm]	Ø 16
Materials	PP-GF30; TPE-U
Materials (wetted parts)	PP

Displays / operating elements

Display	operation LED, green switching status LED, yellow

Pack quantity	1 pcs.

Electrical connection

Connection	Connector: 1 x M12; coding: A; Contacts: gold-plated

ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — LI2143-00 — 05.12.2023 —