IFM LMT100 Level Sensor – LMACE-A12E/QSKG/0/US

The IFM LMT100 is a capacitive level sensor purpose-built for reliable point-level detection in liquids, viscous media, and powders. Featuring a robust 316L stainless steel housing, short 11 mm probe, and IO-Link 1.1 support, the LMT100 delivers fast response times and exceptional performance across a wide range of tank pressures and media types. With IP68/IP69K protection, gold-plated M12 contacts, and operation up to 40 bar, it is ideal for hygienic and industrial applications requiring durability, flexibility, and smart sensor communication.

Technical Specifications

Model: LMT100
Manufacturer: IFM
Sensor Type: Capacitive point level sensor
Measuring Principle: Capacitive detection
Probe Length: 11 mm
Process Connection: G 1/2 sealing cone

Application

• Media Types: Liquids, viscous media, powders
• Factory Setting: Hydrous media
• Tank Pressure Range: –1 to +40 bar | –0.1 to +4 MPa
• MAWP (CRN): 40 bar
• Special Feature: Gold-plated contacts
• Operating Restrictions: Refer to operating instructions

Electrical Characteristics

• Operating Voltage: 18–30 V DC (SELV/PELV)
• Current Consumption: < 50 mA
• Protection Class: III
• Reverse Polarity Protection: Yes
• Electrical Connection: 1 × M12 A-coded connector (gold-plated contacts)

Output Configuration

• Total Outputs: 2 digital
• Output Signal: Switching signal, IO-Link
• Electrical Design: PNP/NPN
• Output Functions: NO / NC (parameterisable)
• Max Voltage Drop: 2.5 V
• Current Rating:
  • Continuous: 100 mA
• Short-Circuit Protection: Pulsed
• Overload Protection: Yes

Response Time

• Typical Response: < 0.5 seconds

IO-Link Interface

• Version: IO-Link 1.1
• Transmission Type: COM2 (38.4 kBaud)
• SDCI Standard: IEC 61131-9
• Supported Device ID: 304 (Default)
• Profiles: Smart Sensor
• Process Data: 1 analogue, 2 binary
• Minimum Cycle Time: 2.3 ms
• SIO Mode: Supported
• Master Port Type Required: A

Environmental Conditions

• Ambient Temperature: –40 to +85 °C
• Storage Temperature: –40 to +85 °C
• Medium Temperature (Oil & Water):
  • Continuous: –40 to +100 °C
  • Short-term (1 h): –40 to +150 °C
• Protection Rating: IP68 / IP69K

Compliance & Certifications

• EMC Standards:
  • EN 61000-6-2
  • EN 61000-6-4 (open tanks)
  • EN 61000-6-3 (closed tanks)
• Shock Resistance: 50 g (11 ms) – DIN EN 60068-2-27
• Vibration Resistance: 20 g (10–2000 Hz) – DIN EN 60068-2-6
• UL Approval: UL File No. H001
• MTTF: 223 years

Mechanical Design

• Weight: 169.5 g
• Dimensions: Ø 30 mm × 113 mm
• Housing Materials: Stainless Steel (316L / 1.4404), PEEK, PEI, FKM
• Wetted Materials: PEEK (Ra < 0.8 µm / Rz 4)
• Thread Type: G 1/2 sealing cone

Display & Indicators

• LED Indicators:
  • Green: Operating status
  • Yellow: Switching status

Key Features & Benefits

✅ Capacitive Technology: Detects both viscous and non-viscous liquids, slurries, and powders.

✅ Compact Probe Design: 11 mm sensing tip for installations in tight spaces.

✅ IO-Link Enabled: Enables advanced diagnostics and remote configuration.

✅ Gold-Plated Contacts: Ensures signal integrity and corrosion resistance.

✅ Wide Temperature & Pressure Range: Supports demanding hygienic and industrial applications.

✅ IP69K Washdown Protection: Designed for food-grade and high-pressure environments.

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