Professional Lighting Measurement & Verification
Measure the Light. Prove the Results.
In. Licht Ultra is a laboratory-calibrated spectrum and WELL verification meter for lighting professionals who need reliable, evidence-based measurements in real environments.



Buy In. Licht Ultra
59 g Laboratory-grade measurement you can carry anywhere.
Designed for professionals moving between lighting installations, offices, healthcare facilities, hotels, schools and research environments.
- Laboratory-calibrated measurement
- 23+ measurement indicators
- Works with WELL
- Bluetooth app
- Exportable reports
Built for Professionals Who Need to Prove Lighting Performance
Lighting Designers
Verify lighting quality beyond basic illuminance and CCT.
WELL Consultants
Collect measurement evidence for lighting-related project documentation.
Lighting Manufacturers
Validate product performance and demonstrate measurable characteristics.
Engineers & Commissioning Teams
Measure installed lighting conditions on site.
Researchers & Educators
Capture detailed spectral and photometric data in real environments.

In. Licht Ultra provides a complete set of metrics required for professional lighting evaluation, including:
Circadian & Human-Centric Metrics
- Equivalent Melanopic Lux (EML)
- Melanopic Daylight Illuminance (m-EDI)
- Circadian Stimulus (CS)
- Circadian Action Factor (CAF)
Photometric & Color Quality Metrics
- Illuminance (lux)
- Correlated Color Temperature (CCT)
- Color Rendering Index (CRI)
- TM-30 Fidelity & Gamut (Rf / Rg)
Flicker & Temporal Light Modulation
- Flicker Index
- Flicker Frequency
- Percent Flicker
- SVM
Spectral & Chromaticity Analysis
- CIE 1931 / 1976 chromaticity
- Duv, SDCM
- Peak wavelength (λp)
- S/P ratio
Safety & Risk Evaluation
- Blue Light Hazard Risk Group
In. Licht Ultra ensures precise, evidence-ready measurement for healthy lighting design and verification.

Why Choose In. Licht Ultra?
Professional measurement capabilities without the complexity, size, and cost of traditional laboratory spectrometers.
| Category | Features / Measurements | In. Licht Ultra | Other Lab Spectrometers |
|---|---|---|---|
| Lighting | Illuminance | ● | ● |
| Correlated Color Temperature (CCT) | ● | ● | |
| Color Rendering Index (CRI) | ● | ● | |
| TM-30 | ● | ○ | |
| Spectrum | ● | ○ | |
| SDCM | ● | ○ | |
| Circadian Metrics | ● | ○ | |
| Flicker Risk | ● | ○ | |
| White Color Quality | ● | — | |
| Comparison | Spectrum | ● | ● |
| Step-Shot Measurement | ● | ○ | |
| Uniformity | ● | — | |
| Output | Measurement Results | ● | ○ |
| SPD Report | ● | — | |
| Light Quality Data (PDF) | ● | ○ | |
| Placement | Stand-Alone | ● | ● |
| Wall-Mounted | ● | — | |
| Tabletop | ● | ● | |
| WELL Integration | Works with WELL | ● | ○ |
| Total Cost | $$ | $$$$ | |
Legend: ● Available · ○ Limited / Depends on model · — Not available
From Measurement to Evidence
In. Licht Ultra is more than a measurement instrument. It is a professional workflow for turning real-world lighting conditions into clear, usable evidence.
01 | Measure
Capture real-world lighting conditions directly on site.
02 | Analyze
Evaluate spectrum, color, flicker, and human-centric lighting metrics.
03 | Document
Turn measurement results into professional reports and clear lighting data.
04 | Verify
Use the results to support project requirements, lighting specifications, and WELL documentation.
Technical Specifications
| Specification | In. Licht Ultra |
|---|---|
| Weight | ±59 g |
| CCT range | 1,000–10,000 K |
| CCT / CRI Accuracy | ±3% |
| Illuminance | Up to 75,000 lx |
| Connectivity | Bluetooth / Type-C |
| Battery | 1,150 mAh Lithium ion |
| Battery life | 4 hours (up to 6 hours when fully charged) |
What’s Included
- In. Licht Ultra measurement device
- Charging cable
- In. Licht Ultra App access
- User guide
- 1-year warranty
- Lifetime software updates
- Calibration Certificate (Optional — available at an additional cost. Contact us for details.)

Ready to Measure Light with Evidence?
Move beyond assumptions and verify real lighting conditions with In. Licht Ultra.
Laboratory-calibrated · 23+ measurement indicators · WELL-oriented workflow · 59 g
Need a complete field setup?
Add the In. Licht Ultra Accessory Bundle



Upgrade your Ultra experience with a premium accessory kit designed for field measurement precision and convenience.
Bundle Includes:
- WELL-compliant aluminum tripod with panoramic rotation
- Type-C charging cable
- Durable transport strap and toolbox support
Built for consultants and engineers who require reliable measurement readiness on every site.
Note: Light meter sold separately.
Need Portable + Advanced Measurement?

Buy In. Licht Pro + Ultra Bundle
Bundle pricing saves $100 compared to purchasing separately.
Get the best of both worlds — Pro for fast assessments or quick site visit measurements, and Ultra for in-depth, high-precision, comprehensive light measurement, including lighting fixture selection, spectrum comparison, flicker analysis, and human-centric lighting evaluation.
Buy In. Licht Ultra
Direct Purchase
International Stores
China
Resources
Product Brochure
Learn about Ultra’s capabilities.
Technical User Guide
Detailed measurement instructions.
Video Tutorial
See how Ultra works.
Download Apps
In. Licht Ultra – Spectrum/WELL Meter
Click the button below to download the app.



In. Licht Ultra – Color Quality
Click the button below to download the app.
Complete Your Lighting Measurement Toolkit
-
In. Licht Ultra Well Certified Human-Centric Handheld Health Lightweight Spectrometer Light Meter
Original price was: $850.00.$750.00Current price is: $750.00. -
In. Licht Pro-Handheld EML Color Temperature CCT Contrast Uniformity Light Meter Sensor
Original price was: $180.00.$150.00Current price is: $150.00. -
Accessory Package for In. Licht Ultra Handheld Light Meter
Original price was: $60.00.$50.00Current price is: $50.00. -
In. Licht Well-Portable WELL‑Certified 19‑in‑1 Light & Indoor Air Quality Monitor
$750.00 -
In. Licht Pro + Ultra Professional Lighting Measurement Bundle | Portable & Advanced Spectrometer Set
Original price was: $850.00.$750.00Current price is: $750.00.








