Overview
The Baumer OADM 20I64/406008B is a precision photoelectric laser distance sensor built for demanding thickness measurement and position-sensing applications. This short-range model features a focused laser point with sub-millimeter spot size, enabling accurate measurements on small objects, thin materials, and challenging surfaces. The OADM 20I64/406008B integrates advanced laser technology with robust industrial packaging, making it suitable for metal, ceramic, wood, and elastic band thickness monitoring in quality inspection and process automation environments.
Key Features
- Focused laser point with concentrated beam for precise distance and thickness measurement
- Photoelectric background suppression technology for reliable sensing on varied surfaces
- Compact block-style housing for easy integration into tight spaces
- M12 8-pin quick-disconnect connector for field serviceability
- Analog output (4–20mA / 0–10VDC selectable) for seamless integration with controllers
- Die-cast zinc housing provides durability in industrial environments
Technical Specifications
- Light Source: Red laser (pulsed)
- Detection Type: Background suppression
- Output Type: Analogue (4–20mA or 0–10VDC)
- Power Supply: 12–28 VDC
- Maximum Current Draw: 100–120 mA
- Response Time: ~900 microseconds
- Electrical Connection: M12 8-pin rotatable connector
- IP Rating: IP67 (dust and water sealed)
- Operating Temperature: 0°C to +50°C
- Housing Material: Die-cast zinc
- Mounting Style: Panel mount or bracket compatible
- Standards: EN 60825-1 (laser safety)
- Manufacturer: Baumer Electric AG (Switzerland)
Typical Applications
Distance sensors in the OADM series are ideal for:
- Thickness measurement of metal sheets, ceramic tiles, and composite materials
- Elastic band and film width/thickness monitoring on production lines
- Position feedback and gap detection in assembly automation
- Level control and liquid/material height sensing in containers
- Quality inspection systems requiring highly accurate distance or position data
- Industrial process control where reliable object detection on challenging surfaces is critical
Compatibility & Replacements
Compatible With
- PLC systems with analogue input modules (4–20mA or 0–10V inputs)
- Industrial controllers and motion control systems
- Analog I/O cards and DAQ systems supporting standard mA/voltage signals
- M12 8-pin connector standard industrial sensor harnesses
- Pneumatic and electromechanical automation platforms requiring distance feedback
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. This model may interchange with other OADM 20I64 variants using the same mounting footprint and M12 connector pinout. Consult the original equipment documentation or contact Baumer technical support for confirmed cross-references.
Works With
- Analogue sensor input modules on Allen-Bradley CompactLogix, SLC, and ControlLogix platforms
- Siemens S7-1200, S7-1500, and S7-300 via standard 4–20mA input terminals
- Mitsubishi FX and Q-series PLCs with analogue input cards
- Omron CJ and CP series controllers
- Schneider Electric M340 and Modicon M500 with analogue input modules
- Industrial PCs and embedded systems with USB/network DAQ interfaces
- Standard EtherCAT and PROFINET gateways for legacy analogue sensor integration
















