| Specification | Details |
| Model | X-Rite i1Publish Pro 3 Professional Color Management Solution |
| Spectral Engine | i1Pro 3 i1® technology, holographic diffraction grating with 128 pixel diode array and built-in wavelength check |
| Spectral Range | 380 nm to 730 nm |
| Physical Sampling Interval | 3.5 nm |
| Optical Resolution | 10 nm |
| Spectral Reporting | 380 nm to 730 nm in 10 nm steps |
| Sampling Rate | 400 measurements per second |
| Measurement Geometry | 45°/0° ring illumination optics, ISO 13655:2017 |
| Measurement Aperture | 4.5 mm (0.18") diameter. Effective measurement aperture during scanning depends on patch size and measurement speed. |
| Light Source | Full-spectrum LED light source |
| Reflectance Measurement Conditions | M0, M1, and M2 measurement conditions compliant with ISO 13655:2017 |
| M0 Measurement Condition | UV included, ISO 13655:2017 |
| M1 Measurement Condition | D50 illumination, ISO 13655:2017 |
| M2 Measurement Condition | UV excluded, ISO 13655:2017 |
| Optical Brightener Compensation (OBC) | Optical Brightener Compensation supported with i1Profiler software |
| Calibration | Manual calibration using external ceramic white reference |
| Measurement Background | White, ISO 13655:2017 for measurements on backup board |
| Minimum Patch Size (Spot Mode) | 6 x 6 mm (0.24" x 0.24") width x height |
| Minimum Patch Size (Scanning Mode) | 6 x 7 mm (0.24" x 0.28") with i1iO 7 x 7 mm (0.28" x 0.28") with sensor ruler 10 x 7 mm (0.40" x 0.28") without sensor ruler |
| Maximum Scan Length | 260 mm (10.24") |
| Inter-Instrument Agreement | 0.3 ΔE00 average, 0.8 ΔE00 maximum deviation from X-Rite manufacturing standard at 23°C (73.4°F) on 12 BCRA tiles (D50, 2°) |
| Short-Term Repeatability | 0.05 ΔE00 on white (D50, 2°, mean of 10 measurements every 3 seconds on white) |
| Emission Measurement Range | 0.2 to 5000 cd/m² on a typical LCD monitor |
| Emission Repeatability | x,y ±0.002 typical (5000 K, 80 cd/m²) |
| Ambient Light Measurement | Spectral irradiance [mW/nm/m²], illuminance [lux], cosine corrected diffuser light measurement head |
| Interface | USB 1.1 |
| Power Supply | Device powered by USB. No additional charger or battery required. USB 1.1 high-power device. |
| Operating Temperature | 10°C to 35°C (50°F to 95°F) |
| Operating Humidity | 0% to 80% non-condensing |
| Storage Temperature | 0°C to 45°C (32°F to 113°F) |
| i1Pro 3 Device Dimensions | Length 162 mm, width 69 mm, height 64 mm (6.4" x 2.7" x 2.5") |
| i1Pro 3 Ruler Dimensions | 337 mm x 102 mm (13.3" x 4.0") |
| i1Pro 3 Backup Board Dimensions | 355 mm x 265 mm (14.0" x 10.4") folded or 355 mm x 400 mm (14.0" x 15.7") unfolded |
| Device Weight | 285 g (10.1 oz) |