
Launching in 2026!
Reach out to our team for more information on the product or a demo of functionality. .

A state-of-the-art Video-colorimeter measurement system with an integrated spectrometer and pixel calibrated camera engineered to evaluate surface illumination in mobile or fixed environments.
The HSG Labs 4P is a surface measurement system combining spectral and spatial analysis for calibration and evaluation of RGB laser projectors and LED display systems. This integrated device incorporates a high-resolution spectroradiometer and 20-megapixel imaging sensor, enabling pixel-level measurement analysis and spectral characterization in a single unit.
A full spectral radiometric calibration of the entire sensor chain, giving very high accuracy for all sensors (single point spectrometer or camera full image analysis).
Equipped with a high-performance CPU, the 4P processes large datasets in real time, making it suitable for research, production calibration, and quality assurance workflows. The 4P contains a Linux based operating system with integrated web UI, designed for field and lab deployment, it supports Ethernet connectivity and integrates easily into automated systems through its open API and SDK support.
Key Functionality
- Portable with integrated battery
- One point and 2D matrix spectral and luminance measurements with Spectro colorimeter and 20Mpx camera
- Single shot SD and HDR contrast measurement
- Programmable for fully automatic operations
- Remote API, SNMP integration for 3rd party support
- Industrial integration and calibration with uniformity analysis
- Remote assistance for premium A/V or private cinema
- 24hr monitoring Instant ‘onsite’ availability to the customer
- 0 hr Service Level Agreements.
- Calibration of home xenon & laser projectors, LED screens, monitors, Televisions
- Custom reporting and data export options via 3rd Party integration, SNMP or PDF
- LED Screens
- Dead Pixel analysis
- Uniformity checks
- Calibration and color matching
- Specific to Digital Cinema
- Macbeth IRC Color Generation
- DLP convergence measurements
- Lens control (focus, zoom and position alignment)
- Light source control (Xenon, RB, RGB, Phosphor, Hybrid Phosphor)
- Audio validation and analysis (ATMOS)
| System Specifications | |
|---|---|
| Processor | Linux Based |
| WiFi | Wifi 802.11ac, 2.4GHz, 5GHz |
| Input Power | 230 / 110V |
| Lower Power Input | 12v 3A |
| Battery | Optional Internal Battery with 4hrs of continuous runtime Min 46Wh |
| Spectrometer Sensor | |
|---|---|
| Spectral Range | 380 to 780nm range |
| Spectral Bandwidth | FWHM 2nm bandwidth spectrometer (1nm HiRes version available) |
| Measuring Aperature | 2° FOV |
| Sensor Pixels | 3648 pixels |
| Pixel Resolution | 0.15nm/px |
| Wavelength (spectral) accuracy | ± 0.15 nm |
| Wavelength repeatability | ± 0.03 nm |
| Color accuracy (Illuminant A) | ± 0.0015 for CIE 1931 (xy) |
| Color repeatability | ± 0.0003 (xy) |
| Repeatability | ± <1% |
| Luminance Range | from 0.005 up to 200,000 cd/m² |
| Luminance Accuracy | ± 1% |
| Measuring Values | cd/m² or fL, Y, CCT/xy/u’v’/uv/wavelength peak |
| Shutter | Mechanical shutter |
| Mechanical ND filter | |
| Calibration* | NIST; CIE Illuminant A and custom Illuminant |
| *Calibration recommended every 1 year, dependent on requirements | |
| Camera Specifications | |
|---|---|
| Color accuracy** | ± 0.01 for CIE 1931 xy |
| Luminance Accuracy* | ± 3% |
| Throw Ratio | minimum of 0.8:1 |
| Imaging/Pixel Array | 5496 x 3672 pixels |
| CCD size | 13.2 x 8.8 mm |
| Total Pixels | 20.18 million |
| Pixel size | 2.4 x 2.4 microns square |
| Shutter | Rolling electric |
| Exposure | 32 μs to 2000 seconds |
| A/D Converter | 12 bits |
| QE Peak | 84% |
| Read Noise | 1.6e |
| Full Well | 15 ke |
| ** For A illuminants and against NIST Luminance standard | |
| Mechanical Specifications | |
|---|---|
| Product Size (cm) | 29 x 19 x 11 |
| Product Weight (kg) | 2.2 without battery |
| Packed Size (cm) | tbc |
| Packed Weight (kg) | tbc |
| Mounting Options | 1x ¼" UNC tripod mount |
| Noise | Noise: xx dBc |
| For indoor usage only | |
| Operating temperature non-condensing 5 °C to 35 °C (41 °F to 95 °F) | |
| Storage Temperature : -40 ~ 75 °C | |
| Lens Options | |
|---|---|
| Short - SR | 0.8:1 - 1.5:1 |
| Starndard - ST | 1.35:1 - 2.9:1 |
| Extended - Ex | 2.6:1 – 3.5:1 |
- Cinema Service Integrators and teams
- Cinema Premium Large Format & Dual projection system
- Postproduction Studios
- Luxury Home Cinema
- Detailed Surface Characterization
- AR/VR Display Testing and Calibration
- LED Panels and Arrays
- Manufacturing and OEM integration applications


