Machinery Industrial Robots Linear Robots

Absolute Linear Encoder with 0.0005mm Resolution / 3m High-Speed Optical Linear Scale

Name: Absolute Linear Encoder with 0.0005mm Resolution / 3m High-Speed Optical Linear Scale
Brand: Unimetro Precision Machinery Co., Ltd

Absolute Linear Encoder with 0.0005mm Resolution / 3m High-Speed Optical Linear Scale Advanced Optical Technology The ULA/ULB series optical linear scales utilize a single large-size illumination system with independently designed optical lenses, providing more balanced and uniform brightness than conventional LED illumination. This ensures exceptional stability for high-resolution applications. Key Features & Benefits Single large-size illumination eliminates aging

Phase offset error 90±15

Place of Origin China

Packaging Details Paper box

Output signal 2 channel TTL 0t and 90, also offering 4 channel TTL 0, 90, 180, 270

Working temperature 0-40°C

Model Number ULA / ULB

high-speed electric linear actuator linear actuator 12vdc control box for linear actuator

Product Description

Absolute Linear Encoder with 0.0005mm Resolution / 3m High-Speed Optical Linear Scale

Advanced Optical Technology

The ULA/ULB series optical linear scales utilize a single large-size illumination system with independently designed optical lenses, providing more balanced and uniform brightness than conventional LED illumination. This ensures exceptional stability for high-resolution applications.

Key Features & Benefits

Single large-size illumination eliminates aging synchronization issues common in multi-LED systems
Enhanced reliability and reduced maintenance costs through long-term signal stability
Six large-size integrated photodiodes ensure consistent electronic parameters
High-quality signal output with superior anti-noise capability and positioning accuracy
High-performance double-shield cables for waterproof, stable long-distance transmission
Proprietary sinusoidal wave signal subdivision chip for pure hardware processing
Fast transmission speeds with incremental A/B signal output up to 2.5MHz
Five high-performance bearings ensure excellent repeatability after extended use
Aluminum alloy scale frame with anodized surface treatment for harsh environment stability
Comprehensive quality control with accuracy testing reports and full traceability

Applications

The ULA/ULB series optical linear scales are widely used on milling machines, lathes, grinding machines, wire EDM equipment, coordinate measuring machines, and automation systems.

Optical linear scale installation on industrial machinery

Close-up view of linear scale optical components

Linear scale measurement system in operation

Technical Specifications

Model	Accuracy & Output Signal	Length (mm)	Resolution (mm)	Grating Distance (mm)	R1 (mm)	Working Speed (m/min)
ULA05 (Slim)	±(3+3LO/1000)μm or higher, 2 channel TTL 0° and 90°, also offering 4 channel TTL 0°, 90°, 180°, 270°	50-1000	0.0005	0.02	50	30
ULA05 (Slim)	-	50-1000	0.001	0.02	50	90
ULA5 (Slim)	-	50-1000	0.005	0.02	50	90
ULB05 (Thick)	-	50-1000	0.0005	0.02	50	30
ULB1 (Thick)	-	50-3000	0.001	0.02	50	50
ULB5 (Thick)	-	50-3000	0.005	0.02	50	90

Additional Parameters

General Specifications: Phase offset error: 90°±15°, Working temperature: 0-40°C, Storage temperature: -20-50°C

Nominal Length Intervals:
LO=50-1000mm: Every 50mm is one level
LO=1000-3000mm: Every 100mm is one level

Maximum Travel & Cable Length:
Max travel within 500mm: Nominal length + 30mm (Signal cable length: 2m)
Max travel between 500-900mm: Nominal length + 30mm (Signal cable length: 3.5m)
Max travel within 500mm: Nominal length + 30mm (Signal cable length: 2m)