ProMetric I-SC Solution

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ProMetric I-SC Imaging Colorimeter with Integrated Spectrometer

The ProMetric® I-SC Solution combines the functions of an enhanced ProMetric I Imaging Colorimeter with a high-end spectrometer to provide a single platform for spectral data capture and accurate, repeatable color measurement across devices, testing environments, and over time. The ProMetric I-SC Solution provides a single platform for measuring spectral data, luminance (cd/m2), and chromaticity (CIE xy and u’v’) to evaluate the appearance of light-emitting devices such as displays, illuminated components, and light sources.

With the ProMetric I-SC, Radiant offers the advantage of both systems’ capabilities in one solution, eliminating the burden of purchasing multiple systems or learning separate platforms. Direct integration also enables system functionality without manual intervention. Measure spectral and spatial data at the center point of 2D measurements, monitor output, and achieve CIE-matched measurements without moving equipment. The ProMetric I-SC provides continuous operation including automated data capture and real-time calibration for every measurement.

The ProMetric I-SC can be also be applied with Radiant’s AR/VR Lens  and XRE Lens to capture measurement data from inside augmented and virtual reality headsets, at the near-eye position. Not only does this configuration enable evaluation of spatial luminance, chromaticity, and defects across the angular field of view, but also places the spectral measurement point inside the headset to capture highly accurate spectral data.

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ProMetric I-SC Solution Key Features and Highlights:

  • Combination imaging colorimeter/spectrometer for fast and accurate color measurement
  • Spectral measurement capability, data visualization, and output
  • CIE-matched color filters for measuring luminance and chromaticity values precisely correlated with human visual perception
  • On-demand or automatic calibration based on user-defined settings in software
  • High-speed measurement and communications to support manufacturing demands
  • Integrated with an enhanced ProMetric I61 Imaging Colorimeter (61-megapixel resolution)
  • Compatible with Radiant’s AR/VR Lens and XRE Lens for in-headset calibration and measurement
  • Compatible with Radiant’s FPD Conoscope Lens for high-resolution angular measurement
  • Seamless operation with TrueTest software packages
  • Easy-to-use interface for visualizing, applying, and exporting spectral and colorimetric measurement data


Spectrometer Specifications

Parameter Spectroradiometer
Luminance Minimum 0.02 cd/m2
Luminance Maximum (using ND3 filter) 1,000,000 cd/m2
Spectroradiometer Absolute Accuracy Color Coordinates (x,y) ± 0.0015 for CIE standard illuminant A
Short-term Repeatability ± 0.1% (2 sigma)
Minimum Measurement Time 200 ms
Measurement Spot Size Corresponding to ~600 I61 imaging colorimeter sensor pixels (in diameter)
Communication Interface Ethernet 100/1000
Power Supply Wide-range input 100 – 240 VAC 50/60 Hz
Dimensions (H x W x D) 144 mm x 341 mm x 359 mm
Weight 9 kg
Operating Temperature 15 – 35° C
Operating Humidity Relative humidity 0 – 70 % max., non-condensing

Imaging System Specifications

Parameter ProMetric I61-SC
Primary Application Uniformity Testing, R&D Settings, Production Line Testing, Display Testing, Color Correction
Sensor Pixel Resolution 9568 x 6380
Sensor Megapixels 61.0
Sensor Type CMOS
System Dynamic Range
(single exposure, per pixel)
76 dB (1 x 1 binning)
Luminance (Minimum)*

0.0005 cd/m2 Limit of Detection
0.0010 cd/m2 @ SNR = 60
0.0015 cd/m2 @ SNR = 100

Luminance (Maximum) 1010 cd/m2 with optional ND filters
Imaging Colorimeter Accuracy** Illuminance ± 3%; Luminance (Y) ± 3%; Color Coordinates (x,y) ± 0.003
Short-term Repeatability* Illuminance ± 0.02%; Luminance (Y) ± 0.02%; Color Coordinates (x,y) ± 0.00005
Lens Type Electronically controlled focus and aperture
Focal Distances Available 50, 100 mm
Field of View
(Full Angle, H x V degrees)
50 mm 40° x 28°
100 mm macro 20° x 14°
Minimum Measurement Time*** 0.6 sec – photopic
1.8 sec – color
Spatial Measurement Capabilities Luminance, Radiance, Illuminance, Irradiance, Luminous Intensity, Radiant Intensity, CIE Chromaticity Coordinates, L*a*b* Color Scale, Correlated Color Temperature (CCT), Dominant Wavelength
Units foot-lambert, cd/m2, nit, W/sr/m2, foot-candles, lux, lux-s, W/m2, W-s/m2, candela, W/sr, CIE (x, y) and (u’, v’), Kelvin (CCT)
Communication Interface 10 Gigabit Ethernet (10 GigE)
Power 100-240 V, 50-60 Hz, 140 Watts
LCD Touch Panel Resolution: 800 x 600; Diagonal: 125 mm
Dimensions (H x W x D) 238 mm x 181 mm x 230 mm
Weight 4.6 kg
Operating Temperature 5 – 35° C
Operating Humidity 20 – 70% non-condensing

*     Based on a virtual detector size of 100 x 100 pixels.

**   Based on illuminant A or user calibration for specific spectra. Based on a virtual detector size of 100 x 100 pixels and a minimum exposure time of 10ms.

*** For 100 cd/m2, using Ethernet.

Specifications subject to change without notice.

System Specifications:

  • Intel® Core™ i7-8086 CPU @ 4.00 GHz and 8 cores
  • 32 GB installed RAM

System Requirements:

  • Windows® 10, 64 bit
  • Ethernet 100/1000
  • Desktop: PCI-E x8 lane slot (I61-SC)
  • Laptop: Thunderbolt 3 Port (I61-SC)

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