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High-Precision Chromatic Confocal Displacement Sensor
The SFS-D2050 is a high-precision chromatic confocal displacement sensor designed for non-contact measurement in industrial inspection and automation systems. It provides 85 nm repeatability, a ±1 mm measuring range, a 50 mm reference distance, and a linearity error of less than ±0.6 μm.
Its compact design makes it suitable for integration into automated inspection equipment, precision measurement stations, and production-line quality control systems. You can also view the complete POMEAS confocal displacement sensor range for other measuring ranges and installation requirements.
Main Features
85 nm High Repeatability
Provides stable measurement of small displacement changes for precision inspection applications.
±1 mm Measuring Range
Suitable for high-precision displacement, thickness, step height, and dimensional measurement.
50 mm Reference Distance
Provides practical working space between the sensor and the measured object.
Non-Contact Optical Measurement
Helps prevent scratching, deformation, and measurement force from affecting delicate or precision surfaces.
Up to ±14° Measuring Angle
Supports the measurement of certain inclined and complex surfaces under specified conditions.
Compact and Lightweight Design
The sensor measures Φ34 × 90.7 mm and weighs only 162 g, making it easy to integrate into automated equipment.
Technical Highlights
High-Accuracy Measurement
The chromatic confocal measurement principle enables precise displacement measurement without physical contact. With a linearity error of less than ±0.6 μm, the sensor is suitable for demanding industrial inspection tasks.
Small Spot Measurement
The Φ20/40 μm spot diameter allows the sensor to measure small features, narrow areas, edges, and precision component surfaces.
Flexible Surface Inspection
The sensor supports a measuring angle of up to ±14° under specified conditions, helping improve measurement flexibility for sloped and complex surfaces.
Easy Equipment Integration
The compact cylindrical body saves installation space and is suitable for automated inspection systems, precision fixtures, and industrial measurement platforms. Explore more industrial measurement and inspection products for complete automation solutions.
Technical Specifications
| Product Type | Chromatic Confocal Displacement Sensor |
| Reference Distance | 50 mm |
| Measuring Range | ±1 mm |
| Measuring Angle | ±14° |
| Spot Diameter | Φ20/40 μm |
| Repeatability | 85 nm |
| Linearity Error | Less than ±0.6 μm |
| Minimum Measurable Thickness | 10% of F.S. |
| Temperature Characteristic | Approx. 0.1% F.S./°C |
| Dimensions | Φ34 × 90.7 mm |
| Weight | 162 g |
| Protection Rating | IP40 |
Typical Applications
- Precision displacement measurement
- Thickness measurement
- Step height inspection
- Surface profile measurement
- Flatness and deformation inspection
- Precision component dimensional inspection
- Electronic component inspection
- Glass and optical surface measurement
- Automated production-line quality control
Frequently Asked Questions
What can this sensor measure?
It can be used for non-contact displacement, thickness, step height, surface profile, flatness, and deformation measurement.
What is the measuring range?
The measuring range is ±1 mm, with a reference distance of 50 mm.
What is the repeatability?
The repeatability is 85 nm under the specified test conditions.
Can it measure inclined surfaces?
Yes. The sensor supports a measuring angle of up to ±14° under specified measurement conditions.
Can it measure delicate surfaces?
Yes. The non-contact optical measurement method helps reduce the risk of scratching, deformation, or measurement force affecting the target surface.
Is it suitable for automated inspection equipment?
Yes. Its compact Φ34 × 90.7 mm body and 162 g weight make it suitable for integration into automated equipment and precision measurement systems.
What information is required for product selection?
Please provide the target material, measuring range, required accuracy, surface condition, installation space, and measurement speed. Our team will recommend a suitable sensor and system configuration. Visit our FAQ page for more product and application information.
Need Help Selecting a Sensor?
Selecting the correct confocal displacement sensor depends on the target material, required measuring range, accuracy, surface condition, installation angle, and available mounting space.
Contact POMEAS for technical support, product selection, sample evaluation, and quotation. Please provide your measurement requirements and application details so that we can recommend the appropriate configuration.
Technical References
For additional information about the optical principle, read this review of high-precision chromatic confocal technologies.
For general information about enclosure protection classifications, see the IEC guide to IP ratings.