The Keyence LS-5501 is a built-in display type controller engineered for precision laser displacement measurement within the LS-5000 series. This unit integrates sensor parameter configuration, real-time measurement display, and tolerance-based quality control in a single chassis. The 7-level LCD tolerance check output provides immediate visual feedback on part conformance, while the dedicated green LED indicator at the scanning head confirms laser emission status.
## Technical Specifications
**Display & Measurement**
• Display range: −99.99995 to 999.99995 mm or −0.99999″ to 9.99999″
• Minimum displayable unit: 0.05 µm
• 7-level LCD tolerance check indicator
**Input Interfaces**
• Program selection input: Non-voltage (contact/solid-state)
• Laser stop/remote input: Non-voltage (contact/solid-state)
• Timing, reset, and auto-zero inputs: Non-voltage (contact/solid-state)
**Output Interfaces**
• RS-232C: Measurement data and control output
• 7-level comparator output: 100 mA maximum at 40 V maximum
• Analog voltage output (optional I/O board): ±10 V, 100 Ω impedance
• BCD output: Available as optional module
**Power & Environment**
• Input voltage: 85 to 264 VAC, 50/60 Hz
• Power consumption: 85 VA maximum
• Ambient temperature: 0 to +40 °C (32 to 104 °F)
• Relative humidity: 35 to 85 % RH (non-condensing)
• Weight: Approximately 3.7 kg
## Key Features
• Multi-level comparator output enables simultaneous monitoring across seven zones for product categorization and multi-stage quality gates
• RS-232C communication for automated data logging and equipment integration
• Non-voltage input topology provides flexibility in timing synchronization across diverse production line architectures
• Optional analog and BCD outputs expand integration pathways for legacy and modern control systems
## Typical Applications
Precision dimensional inspection, automated quality control, thickness measurement, surface profiling, and multi-zone product sorting in manufacturing environments.
## Compatibility & Integration
Designed for use with Keyence LS-5041 sensor head and the LS-5000 series ecosystem. Optional I/O boards extend measurement and output capabilities. This model is discontinued; LS-9000 series optical micrometers are recommended as successors.
