ASM 4552143A

Product Name: ASM 4552143A — Position Sensor / Eddy Current Probe
Product Type: Non-Contact Eddy Current Displacement Sensor
Manufacturer: ASM GmbH (Germany, now part of ams-OSRAM)
Model Series: WS Series (eddyNCDT)
Product Line: Non-Contact Displacement Measurement

Category:
Description

Product Introduction:
The ASM 4552143A is a high-precision eddy current displacement sensor (probe) manufactured by ASM GmbH. It measures distance, displacement, vibration, and runout on conductive metallic targets without physical contact. It is widely used in industrial machine monitoring and process control.

Technical Specifications:

  • Measuring Range: 1 mm (typ.) — verify exact range per variant
  • Linearity: ±0.05% of full scale
  • Resolution: 0.01 µm (10 nm)
  • Bandwidth: 0 to 10 kHz (typical)
  • Output Signal: 0-10 V DC or 4-20 mA (configurable)
  • Supply Voltage: 18-30 V DC
  • Target Material: Conductive metals (steel, aluminum, copper, brass)
  • Operating Temperature: -10°C to +80°C (sensor head)
  • Protection Rating: IP67 (sensor head), IP65 (connector)
  • Cable Length: 2 m (standard), up to 10 m (custom)
  • Connector: M12 x 1 (4-pin) or M8 (depending on sub-variant)
  • Certifications: CE

Functional Features:

  • Non-contact measurement — no wear, no friction
  • High resolution down to 10 nm
  • Suitable for vibration analysis and runout measurement
  • Temperature-compensated output
  • Robust stainless steel housing (316L)

Structure:

  • Cylindrical sensor head, Ø 12 mm or Ø 25 mm (depending on range)
  • Threaded mounting (M18 × 1 or M30 × 1.5)
  • Potted cable with M12 connector

Applicable Industries:
Turbine Monitoring, Compressor Monitoring, Machine Tool Spindles, Semiconductor Equipment, Power Generation

Installation Requirements:

  • Mount sensor perpendicular to target surface
  • Standoff distance must be within specified range (typically 50% of measuring range)
  • Target surface must be clean, flat, and conductive
  • Use shielded cable for noise immunity

Usage Notes:

  • Do not use on non-conductive materials (plastic, wood, ceramics)
  • Ensure target surface area is at least 3× sensor diameter
  • Recalibrate if mounting distance changes
  • Do not exceed maximum supply voltage of 30 V DC
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