CA-527 Display Color Analyzer


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The Konica Minolta CA-527 is our next generation Display Color Analyzer from Konica Minolta Sensing, offering reliability, faster measurements, and ultra-low luminance. Its expanded measurement dynamic range covers the range from ultra-low to high luminance, providing a broader range of measurement accuracy and repeatability than its predecessor. This feature meets the need for a more accurate evaluation of luminance and chromaticity in the latest display technologies.

The latest optical design used in the CA-527 enables significantly shorter low-luminance measurement times than the modes in the conventional Display Color Analyzer series. This can help solve issues related to improving takt time at the display production line and in high-definition display R&D.

The CA-527 can measure lower-luminance areas at a higher sampling rate than the conventional Display Color series models. This allows for accurate capture of display emission waveforms, which have become increasingly complex with recent technological trends in displays, such as OLED displays evolving toward even higher contrast ratios and the latest micro-LED displays employing the dynamic drive system.

The CA-527 provides a new flicker measurement function related to VRR, the latest index for flicker evaluation, and a high-performance flicker measurement function using the JEITA, VESA, and FMA methods provided by the conventional Display Color Analyzer series. With the industry’s best flicker measurement performance, the CA-527 sets a new standard while meeting the need for quality evaluation of the latest displays, pushing the boundaries in advanced video quality and power saving.

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Features

  • Expanded accuracy-guaranteed range of luminance:  wider range of measurement accuracy and repeatability than the conventional Display Color Analyzer series. Luminance: 0.0001-10,000cd/m² – Chromaticity: 0.001-10,000cd/m²
  • Faster lower-luminance measurements: 1 sec at 0,0001 cd/m²
  • Improved ‘waveform’ measurement performance: can measure lower-luminance areas at a higher sampling rate than the conventional Display Color Analyzer series.(Meas. Luminance range 01-10,000cd/m²  – Sampling frequency 200,000 hz)
  • New ‘Variable Refresh Rate (VRR) flicker’ measurement (the latest index in flicker evaluation), in addition to the high-performance flicker measurement function using the JEITA, VESA, and FMA methods as provided by the conventional Display Color Analyzer series.
  • Full software support: a PC software CA-S40 in addition to Software Development Kit (SDK)* available to download

Specifications

 

CA-527
Measurement area Ø 27 mm
Accuracy guaranteed measurement distance 30 ± 5 mm
 

 

 

 

Luminance

Accuracy guaranteed luminance range *7 0.0001 to 10,000 cd/m2
 

Accuracy (for white)*1, *3

> 0.0001 cd/m2 ± 9 %
> 0.001 cd/m2 ± 2 %
> 0.01 cd/m2 ± 1.5 %
> 0.1 cd/m2 ± 1.5 %
 

Repeatability (2σ)*1

 

 

AUTO

> 0.0001 cd/m2 10%
> 0.001 cd/m2 1%
> 0.01 cd/m2 0.30%
> 0.1 cd/m2 0.12%
> 1 cd/m2 0.10%
 

 

 

Chromaticity

Accuracy guaranteed luminance range*7 0.001 to 10,000 cd/m2
 

Accuracy (for white)*1, *3

> 0.001 cd/m2 ± 0.003
> 0.01 cd/m2 ± 0.002
> 0.1 cd/m2 ± 0.002
 

Repeatability (2σ)*1

 

AUTO

> 0.001 cd/m2 0.0030
> 0.01 cd/m2 0.0009
> 0.1 cd/m2 0.0004
> 1 cd/m2 0.0002
 

 

 

 

 

 

 

 

 

 

Flicker (CA-310

Mode)

*6

 

 

Flicker (Contrast)

Measurement luminance range*7 0.5 to 10,000 cd/m2
Measurement target (Flicker frequency) 0.25 to 65 Hz
Accuracy 30 Hz, AC/DC 10% sine wave ± 0.3%
60 Hz, AC/DC 10% sine wave ± 0.3%
Repeatability

(2σ)

20 to 65 Hz, AC/DC 10%

sine wave

0.3%
 

 

Flicker ( JEITA)

Measurement luminance range*7 0.5 to 10,000 cd/m2
Measurement target (Flicker frequency) 0.42 to 65 Hz
Accuracy 30 Hz, AC/DC 4% sine wave ±0.35 dB
30 Hz, AC/DC 1.2% sine wave ±0.35 dB
Repeatability (2σ) 30 Hz, AC/DC 4% sine wave 0.1 dB
30 Hz, AC/DC 1.2% sine wave 0.3 dB
 

Waveform

Measurement luminance range*7 0.1 to 10,000 cd/m2
Sampling frequency 200 kHz Changeable
Repeatability

(2σ)

Lv: 0.1 cd/m2,

fs: 3 kHz, fc: 1 kHz

1.8%
 

 

 

VRR-Flicker

Measurement luminance range*7 0.5 to 10,000 cd/m2
Sampling frequency 200 kHz Changeable
Measurement target (Flicker frequency) 0.25 to 240 Hz
Accuracy 1 to 120 Hz,

AC/DC 10% sine wave

± 0.3%
Repeatability

(2σ)

1 to 120 Hz,

AC/DC 10% sine wave

0.3%
 

 

 

 

 

 

XYZ

(Wide Frequency Mode)

6

 

 

Flicker (Contrast)

Measurement luminance range*7 0.5 to 10,000 cd/m2
Measurement target (Flicker frequency) 0.25 to 200 Hz
Accuracy 30 Hz, AC/DC 10% sine wave ± 1.5 %
60 Hz, AC/DC 10% sine wave ± 2.2 %
Repeatability

(2σ)

20 to 65 Hz,

AC/DC 10% sine wave

1.6%
 

 

Flicker ( JEITA)

Measurement luminance range*7 0.5 to 8,500 cd/m2
Measurement target (Flicker frequency) 0.42 to 200 Hz
Accuracy 30 Hz, AC/DC 4% sine wave ± 0.35 dB
30 Hz, AC/DC 1.2% sine wave ± 0.35 dB
Repeatability (2σ) 30 Hz, AC/DC 4% sine wave 0.4 dB
30 Hz, AC/DC 1.2% sine wave 1.4 dB
 

Waveform

Measurement luminance range*7 0.1 to 10,000 cd/m2
Sampling frequency 3 kHz Changeable
Repeatability (2σ) Lv: 0.1 cd/m2 13%
Lv: 1 cd/m2 1.4%
 

Accuracy guaranteed measurement speed

*4

 

Lvxy

 

AUTO

1 time/sec (> 0.0001 cd/m2)
5 times/sec (> 0.015 cd/m2)
20 times/sec (> 0.2 cd/m2)
Flicker (Contrast) 20 times/sec
Flicker ( JEITA/VESA) 0.5 times/sec (at 1 Hz pitch),

2.5 times/sec (at 10 Hz pitch)

VRR-Flicker Sampling frequency: 3 kHz 0.7 times/sec (at 1s Exp.)
Measurement target (Vertical synchronization frequency) 0.5 to 240 Hz (luminance and

chromaticity)

Power supply DC 5 V (input from USB bus power line or RS communication

connector)

Operating temperature/humidity range*5 10 to 35°C, relative humidity 85% or

less with no condensation

Storage temperature/humidity range 0 to 45°C, relative humidity 85% or

less (at 35°C) with no condensation

*1: Measured under Konica Minolta’s standard light source (6,500K).

*2: The luminance for monochrome is measured when reading of luminance for white is 100 cd/m2.

*3: Temperature 23°C/±2°C, relative humidity 40%±10%

*4: In NTSC synchronization mode using USB with one probe. Measured using a Konica Minolta-designated PC (with PC and probe directly connected, using the supplied measurement software).

*5: Reading fluctuation (compared to reference reading at 23°C, 40% RH): Luminance: ±2% for white; Chroma ticity (at 100 cd/m2): ±0.002 for white, ±0.003 for monochrome.

*6: “Flicker (CA-310 Mode)” and “XYZ (Wide Frequency Mode)” are mode names for PC Software CA-S40.

*7: Measured under Konica Minolta’s standard light source (constant light). If the luminance momentarily greatly exceeds the upper limit, such as with a PWM light source with a small duty cycle, luminances below the upper limit may be shown as too high.

* Unless otherwise specified, specifications are given for conditions established by Konica Minolta.

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