Overview
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Applications
Where our LED Spectrometer is commonly used.
Production Calibration
Golden Reference Board Generation
RGB LEDs
RGB LED Calibration
Laboratory
LED Characterisation and Binning
Production
Production Line Verification
Technical Specifications
| Parameter | Value | Notes |
|---|---|---|
| Spectral range | 380–780 nm | Full visible spectrum |
| Min wavelength step | 0.1 nm | High resolution |
| Integration time | 10 µs to 4 s | Automatic exposure control |
| CIE xy chromaticity accuracy | ±0.005 | After calibration with integrating sphere |
| Power accuracy (Watts) | 10% | After calibration |
| Luminous Flux accuracy | 10% | After calibration |
| Peak wavelength accuracy | ±1 nm | |
| Wavelength repeatability | ±0.5 nm | Excellent consistency |
| Chromaticity xy repeatability | ±0.0005 | Precision measurement |
| Intensity repeatability | < 1% | |
| Interface | USB 2.0, RS232, Daisy Chain, Ext. Trigger | Flexible connectivity |
| Supply current (USB) | 180 mA | USB bus powered |
| Dimensions | 125 × 54 × 32 mm | Including brackets |
| Fiber diameter | 5.1 mm incl. cladding | Armoured fibre |
| Operating temperature | 0–40°C | Narrower than most Feasa analysers |
| Special functions | PWM, Sequence Capture (450), Ext. Trigger | |
| Integrating Sphere adapters | SP13, SP23, SP16, SP26 | Luminous Flux (Lumens) |
| Luminous Intensity adapters | CD02, CD04, CD08 | Candela — CIE Condition B |
| Luminance adapters | LU01, LU02, LU04, LU07 | cd/m² — automotive displays |
| Adapter patch cord | FP02 (600mm, FC-PC to SMA) | Used by all adapters |
| Compliance | CE, RoHS | EU standards |
| Model number | Feasa S2 |
Feasa Spectrometer Software Suite
Included — Windows 11 / 10 / 8 / 7 / Vista / XP
- Graphical Display Program — Real-time full spectrum display and CIE xy chromaticity diagram
- Datalogging and compare — Log measurements over time, compare against stored references
- Terminal & Scripting Program — Command-line control with CSV export
- Feasa Spectrometer Software — Calibration workflow, golden board generation, Analyser value transfer
- Test Software and User Cal — Also included with every unit
- DLL/SDK — Programming examples in LabVIEW, C++, Python
Downloads and Resources
Spectrometer Datasheet
User Manual
Software Package
ZIP
Download