Turck NI25-CK40-LIU2-H1141 Inductive Proximity Sensor

Description:

The TURCK NI25-CK40-LIU2-H1141 Inductive Sensor is used in industrial automation and machine control systems to provide non-contact metal detection with proportional analog position feedback using UPROX Factor 1 sensing technology. Commonly installed in conveyor systems, material handling equipment, hydraulic positioning systems, packaging machinery, and automated production lines requiring continuous distance measurement and position monitoring. Maintenance teams and system integrators use this part for machine retrofits, analog feedback upgrades, OEM replacements, and precision positioning applications.

Applications:

The TURCK NI25-CK40-LIU2-H1141 is designed for industrial analog sensing applications where target distance measurement is required rather than simple switching output operation. It is frequently used in cylinder position monitoring, level measurement systems, conveyor positioning, machine tool applications, and automated manufacturing equipment where precise analog feedback improves process control and machine accuracy. The UPROX technology provides consistent measurement performance across steel, aluminum, brass, and stainless steel targets while offering excellent resistance to magnetic fields and harsh industrial environments.

Technical Specifications:

• Manufacturer: TURCK
• Model / Part Number: NI25-CK40-LIU2-H1141
• Product Type: Inductive Sensor with Analog Output
• Sensor Technology: UPROX Factor 1 Inductive Sensor
• Housing Style: Rectangular CK40 Housing
• Housing Dimensions: 40 mm height rectangular body
• Measuring Range: 5-25 mm
• Sensing Distance: 25 mm nominal
• Output Type: Analog output
• Analog Output Signals: 0-10 VDC and 4-20 mA
• Supply Voltage: 15-30 VDC
• Wiring Configuration: 4-wire DC
• Connection Type: 4-pin M12 × 1 male connector (H1141)
• Mounting: Non-flush installation
• Housing Material: PBT-GF30-V0 reinforced plastic
• Protection Rating: IP67
• Operating Temperature: -25°C to +70°C
• Active Face Orientation: Adjustable in 5 directions
• LED Indicators: High-visibility corner LEDs for power and output status
• Special Features: UPROX sensing for all metals, analog distance measurement, magnetic field resistance, short-circuit protection, reverse polarity protection
• Application: Position monitoring, distance measurement, level sensing, and industrial automation control systems.

Common Replacements:

• TURCK NI25-CP40-LIU-H1141
• TURCK NI25-CK40-LIU-H1141 W/BS 2.1
• Pepperl + Fuchs NJ20+U4+A2E2-V1