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IFM

IFM LR3020

MPN: LR3020
Category: All level sensors

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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 LR3020?

For the reliable level control in tanks and containers

Suitable for water, oils and coolants

Modular system consisting of evaluation unit and probe

Adaptation to different container heights through shortening of the probe

Precise analogue output and user-friendly communication via IO-Link

User-friendly communication and parameterisation via IO-Link

Specifications

Product characteristics

Number of inputs and outputs	Number of digital outputs: 1; Number of analogue outputs: 1
Probe length L[mm] [mm]	100...2000
Process connection	threaded connection G 3/4 external thread

Application

Special feature	Gold-plated contacts
Application	for industrial applications
Media	Liquids
Dielectric constant of the medium	≥ 1,8; (for media with a dielectric constant of 1.8...5 (e.g. oils), a coaxial pipe is needed for operation)
Recommended media	water; hydrous media; oils; oil-based media
Process temperature[°C] [°C]	-25...80; (90 < 1 h ; see note under remarks)
Pressure rating	16 bar; 1.6 MPa
16 bar	1.6 MPa
Vacuum resistance	-1000 mbar; -0.1 MPa
-1000 mbar	-0.1 MPa

Electrical data

Operating voltage[V] [V]	18...30 DC
Current consumption[mA] [mA]	< 25
Protection class	III
Reverse polarity protection	yes
Power-on delay time[s] [s]	< 3
Measuring principle	guided wave radar

Inputs / outputs

Number of inputs and outputs

Number of digital outputs: 1; Number of analogue outputs: 1

Outputs

Total number of outputs	2
Output signal	switching signal; analogue signal; IO-Link
Electrical design	PNP/NPN
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
Number of analogue outputs	1
Analogue current output[mA] [mA]	4...20, invertible
Max. load[Ω] [Ω]	500
Analogue voltage output[V] [V]	0...10, invertible
Min. load resistance[Ω] [Ω]	2000
Short-circuit protection	yes
Type of short-circuit protection	pulsed
Overload protection	yes

Measuring/setting range

Probe length L[mm] [mm]	100...2000
Active range A[mm] [mm]	L-40; (when set to oil and oil based media: L-60)
Inactive range I1 / I2[mm] [mm]	30 / 10; (when set to oil and oil based media: 30 / 30)
Sampling rate[Hz] [Hz]	4
Set point SP[mm] [mm]	15...L-30
Note on setpoint SP	when set to oil and oil based media: 30...L-30
Reset point rP[mm] [mm]	10... L-35
Note on reset point rP	when set to oil and oil based media: 35...L-35
In steps of[mm] [mm]	5
Hysteresis[mm] [mm]	> 5

Accuracy / deviations

Repeatability[mm] [mm]	± 5
Measuring error[mm] [mm]	± 7
Offset error[mm] [mm]	5
Resolution[mm] [mm]	1
Zero signal (current)[mA] [mA]	4.0
Full signal (voltage)[V] [V]	10
Full signal (current)[mA] [mA]	20
Temperature drift per 10 K	± 0.2 %

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 3.1; Measuring Sensor; Common - I&D; Identification and Diagnosis
Smart Sensor - SSP 3.1	Measuring Sensor
Common - I&D	Identification and Diagnosis
SIO mode	yes
Required master port type	A
Process data analogue	3
Process data binary	1
Min. process cycle time[ms] [ms]	3.2
Supported DeviceIDs	default; 687
default	687

Operating conditions

Ambient temperature[°C] [°C]	-25...60
Storage temperature[°C] [°C]	-40...85
Protection	IP 68; IP 69K; (7 days / 1 m water depth / 0.1 bar: IP 68)

Tests / approvals

EMC	DIN EN 61000-6-2; DIN EN 61000-6-3; in a closed metal tank; DIN EN 61000-6-4; in plastic or open metal tanks
DIN EN 61000-6-3	in a closed metal tank
DIN EN 61000-6-4	in plastic or open metal tanks
Shock resistance	DIN EN 60068-2-27; 50 g (11 ms) / 25 g (6 ms) with reference rod 0.5 m
DIN EN 60068-2-27	50 g (11 ms) / 25 g (6 ms) with reference rod 0.5 m
Vibration resistance	DIN EN 60068-2-6; 5 g (10...2000 Hz) / 1 g (5...200 Hz) with reference rod 0.5 m
DIN EN 60068-2-6	5 g (10...2000 Hz) / 1 g (5...200 Hz) with reference rod 0.5 m
MTTF[years] [years]	241
UL approval	UL approval no.; H012; File number UL; E174191
UL approval no.	H012
File number UL	E174191

Mechanical data

Weight[g] [g]	437.3
Dimensions[mm] [mm]	Ø 50 / L = 86
Materials	stainless steel (304/1.4301); stainless steel (316L/1.4404); FKM; PEI
Materials (wetted parts)	stainless steel (303/1.4305); probe connection: stainless steel (316L/1.4435); PTFE; FKM; Sealing: NBR reinforced fibre
Process connection	threaded connection G 3/4 external thread

Remarks

Notes	For high process temperatures: The temperature at the process connection is decisive. The actual medium temperature may be higher.
Pack quantity	1 pcs.

Electrical connection - plug

Connector

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

LR3020: frequently asked questions

When can LR3020 be shipped?

LR3020 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 LR3020 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 LR3020 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 LR3020, subject to availability and destination.