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Replaced by: LR7000 + E43204 – Product comparison: LR7023 / LR7000

Continuous level sensor (guided wave radar)

LR0450B-BR34AQPKG/US

LR7023

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Technische Details
Application
Media hydrous coolants; water; media similar to water
Dielectric constant of the medium > 20
Recommended media hydrous coolants; water; media similar to water
Cannot be used for oils; greases; granulates; bulk material; acids; alkali
Medium temperature [°C] 0...80
Tank pressure [bar] 0.5
Electrical data
Operating voltage [V] 18...30 DC
Current consumption [mA] < 80
Protection class III
Reverse polarity protection yes
Power-on delay time [s] 3
Inputs / outputs
Number of inputs and outputs Number of digital outputs: 2
Outputs
Total number of outputs 2
Output signal switching signal
Electrical design PNP
Number of digital outputs 2
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
Probe length L [mm] 450
Active range A [mm] 400
Inactive range I1 / I2 [mm] 40/10
Setting range
Set point SP [mm] 15...410
Reset point rP [mm] 10...405
In steps of [mm] 5
Hysteresis [mm] 5
Accuracy / deviations
Measuring error [% of the final value] ± 5
Repeatability ± 2
Operating conditions
Ambient temperature [°C] 0...60
Storage temperature [°C] -25...80
Protection IP 67
Tests / approvals
EMC
EN 61000-4-2 ESD 4 kV CD / 8 kV AD
EN 61000-4-3 HF radiated 10 V/m
EN 61000-4-4 Burst 2 kV
EN 61000-4-6 HF conducted 10 V
Shock resistance
DIN EN 60068-2-29 12 g (11 ms)
Vibration resistance
2.5 g (RMS, 1...1000 Hz)
Mechanical data
Materials stainless steel (1.4301 / 304); FKM; NBR; PBT; PC; PEI; TPE-V; PTFE
Materials (wetted parts) stainless steel (1.4305 / 303); PTFE; NBR
Process connection G 3/4 external thread
Displays / operating elements
Display
Display unit 2 x LED, green
switching status 2 x LED, yellow
level alphanumeric display, 4-digit
parameter setting alphanumeric display, 4-digit
Accessories
Accessories (optional)
Sealing
Remarks
Pack quantity 1 pcs.
Electrical connection
Connection Connector: 1 x M12; Contacts: gold-plated
ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — LR7023-00 — 14.11.2012 —