LT3023 IFM Level And Temperature Sensor – LT0472B-B-00KLPKGUS
The IFM LT3023 is a compact level and temperature sensor designed for monitoring hydrous coolants, oils, and water-based media in industrial tanks. With dual analogue and digital outputs, IO-Link communication, and robust stainless steel housing, it ensures precise measurement and intelligent integration across fluid level and temperature-critical applications.
Technical Specifications
Model: LT3023
Manufacturer: IFM
Product Series: LT Series
Sensor Type: Level and temperature sensor
Measuring Range (Level): 0–472 mm
Temperature Range: –20…90°C
Application & Compatibility
- Designed for: Oils, coolants, water-based media
- Factory Medium Setting: Mineral oils
- Dielectric constant (ε): ≥2
- Incompatible Media: Highly conductive fluids, granulates, bulk material, acids, alkali
- Tank Pressure (Max): 0.5 bar (with accessories E43001–E43007, E43019)
Electrical Characteristics
- Operating Voltage: 18–30 VDC
- Current Consumption: < 50 mA
- Protection Class: III
- Reverse Polarity Protection: Yes
- Power-On Delay: < 3 s
- Connection Type: 1 × M12 connector (A-coded)
- Electrical Design: PNP/NPN
Output Configuration
- Total Outputs: 2
- Digital Outputs: 1 (NO/NC, configurable)
- Analogue Outputs: 1
- Output Type: Switching / Analogue / IO-Link
- Output Signal (Analogue): 4–20 mA | 0–10 V (invertible)
- Max. Load (mA): 500 Ω
- Min. Load (V): 2000 Ω
- Short-Circuit / Overload Protection: Yes (thermal, pulsed)
- Voltage Drop (DC): ≤2.5 V
- Switching Output Current Rating: 200 mA
Level Detection & Range Settings
- Probe Length: 472 mm
- Active Range: 390 mm
- Inactive Zones (Top/Bottom): 60 mm / 22 mm
- Set Point (SP): 35…390 mm
- Reset Point (RP): 30…385 mm
- Adjustment Step: 5 mm
- Reference Points (OP): 139 to 407 mm in 5 mm steps
- Hysteresis (OP): 3 mm
Temperature Monitoring
- Measuring Range: –20…90°C
- SP / RP Range: –19.5…90°C | –20…89.5°C
- Adjustment Step: 0.5°C
- Resolution: 0.5 K
- Switch Point Accuracy: ±1.5 K
- Dynamic Response (T09): 90 s
Accuracy & Signal Output
- Level Measuring Error: ±5% of final value
- Repeatability: ±2 mm
- Resolution (Level): 5 mm
- Zero Signal: 0 V | 4 mA
- Full Signal: 10 V | 20 mA
IO-Link Communication
- Interface Type: IO-Link v1.1
- Transmission Type: COM2 (38.4 kBaud)
- SDCI Standard: IEC 61131-9
- SIO Mode Support: Yes
- Min. Cycle Time: 4.5 ms
- Device ID (Default): 647
- IO Profiles: Smart Sensor: Device ID, Diagnosis, Process Data
- Process Data: 1 binary, 4 analogue
- Required Master Port: Type A
Environmental Conditions
- Ambient Temperature: 0 to +60°C
- Storage Temperature: –25 to +80°C
- Medium Temperature (Coolants/Water): 0 to 35°C (to 60°C with E43101)
- Medium Temperature (Oil): 0 to 70°C (90°C for <1 hour)
- Enclosure Rating: IP67
- MTTF: 222 years
Mechanical Design
- Weight: 372.25 g
- Dimensions: Ø 16 mm
- Materials: Stainless Steel 304/316L, PBT, FKM, NBR, PA, PC, PP, TPV
- Wetted Parts: PP
Display & Diagnostics
- Display Unit: Alphanumeric 4-digit with LED indicators
- Green LEDs: cm, inch, °C, °F
- Yellow LED: Switching status
- Settings & Values: Configurable via display or IO-Link
Compliance & Approvals
- Shock Resistance: DIN EN 60068-2-27 (15 g, 11 ms)
- Vibration Resistance: DIN EN 60068-2-6 (5 g, 10–2000 Hz)
- EMC Standards: DIN EN 61000-6-2 / 6-4
- UL Certification: UL Approval No. H002
Key Features & Benefits:
✅ Level & Temperature Sensing in One: Consolidate monitoring with a single, compact sensor.
✅ IO-Link Ready: For Industry 4.0 integration and advanced parameterisation.
✅ Versatile Output Signals: PNP/NPN, analogue (current or voltage), and switching output.
✅ Wide Media Compatibility: Ideal for oils, water, and non-conductive coolants.
✅ Rugged Stainless Steel Design: IP67-rated and built to withstand industrial environments.
✅ Simple Parameter Setting: Fast setup via display or IO-Link interface.
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