L22 / spectral measurement
Spectrometer
A compact platform for measuring spectral power distribution
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The spectrum as a source of insight.
Spectral distribution
Spectral-distribution measurement from 340 to 780 nm.
Photometry
Illuminance measurement and calculation of colour metrics.
Quality control
Repeatability ΔI < 0.1% for standard illuminant A.
Integration
Autonomous operation plus PC and mobile connectivity.
Technical data
| Sensor | CMOS 256 linear image sensor with a slit |
|---|---|
| Resolution | 1.72 nm |
| Wavelength reproducibility | -0.5 nm to +0.5 nm |
| Integration time | below 0.1 ms to 1 s |
| System and communication | Autonomous operation; PC via USB-C / Wi-Fi; mobile via USB-C / Wi-Fi (Android / iOS) |
| Measured quantities | Illuminance E [lx] and spectral power distribution |
| Calculated values | XYZ, x, y, RGB, sRGB, Lxy, Luv, Lu'v', L*a*b, HSI, HSV, HSL, CCT, Duv, CRI, Rf, Rg and TM-30 |
| Repeatability | ΔI < 0.1% for standard illuminant A |
| Operating temperature | +5°C to +30°C |
| Software | L22 Spec Basic / Pro with customisation capability |
| Battery | 1600 mAh, 5 V, rechargeable via USB-C |
| Dimensions | 30 × 91 × 130 mm without antenna; BSW 1/4-inch tripod thread |
From measurement to data
The instrument can operate autonomously, while its software processes the signal using the system response and calibration. Basic / Pro applications and solution customisation are available.
The spectrometer connects to PCs and mobile devices via USB-C or Wi-Fi and works with L22 Spec software.
Downloads
Frequently asked questions
What does a spectrometer measure?
It measures illuminance and spectral distribution from 340 to 780 nm.
L22 / inquiry
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