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IFM LI5144

MPN: LI5144

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12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
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What is the IFM LI5144?

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

User-friendly setting of the requested immersion depth of the sensor

Specifications

Product characteristics

Number of inputs and outputs	Number of digital outputs: 1
Probe length L[mm] [mm]	737

Application

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	-0.5...0.5; (when mounting with mounting accessories: E43001 - E43007, E43019) bar; 0.05; (when mounting with mounting accessories: E43001 - E43007, E43019) MPa
-0.5...0.5; (when mounting with mounting accessories: E43001 - E43007, E43019) bar	0.05; (when mounting with mounting accessories: E43001 - E43007, E43019) MPa
Medium temperature[°C] [°C]	0...35; (LI5144 + E43102: 0...55; For water and hydrous media with temperatures > 35 °C install the unit into a climatic tube.)
Medium temperature short time[°C] [°C]	0...80

Electrical data

Operating voltage[V] [V]	10...36 DC
Current consumption[mA] [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 open / normally closed; (parameterisable)
Max. voltage drop switching output DC[V] [V]	2.5
Permanent current rating of switching output DC[mA] [mA]	200
Short-circuit protection	yes
Type of short-circuit protection	pulsed
Overload protection	yes

Measuring/setting range

Probe length L[mm] [mm]	737
Active range A[mm] [mm]	31

Operating conditions

Ambient temperature[°C] [°C]	-25...80
Storage temperature[°C] [°C]	-25...80
Protection	IP 65; IP 67

Tests / approvals

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

Mechanical data

Weight[g] [g]	308.5
Dimensions[mm] [mm]	Ø 16
Materials	PP-GF30; TPE-U
Materials (wetted parts)	PP

Displays / operating elements

Display	operation; LED, green; switching status; LED, yellow
operation	LED, green
switching status	LED, yellow

Remarks

Pack quantity

1 pcs.

Electrical connection

Connector

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

LI5144: frequently asked questions

When can LI5144 be shipped?

LI5144 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up LI5144 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for LI5144 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for LI5144, subject to availability and destination.