Illuminance Spectrophotometer CL-500A
The Konica Minolta Illuminance Spectrophotometer CL-500A is a lightweight, compact light meter designed for illuminance measurements and the spectral evaluation of various light sources, including OLEDs, LEDs, and EL illumination.
Beyond a simple light meter, the Illuminance Spectrophotometer CL-500A provides various light measurement functions. These include illuminance, color temperature, Color Rendering Index (CRI), chromaticity, and spectral power distribution. Moreover, it presents the S/P ratio of scotopic and photopic illuminance for thorough assessment.
The Illuminance Spectrophotometer CL-500A comes with the CL-S10w, an easy-to-use Excel add-in software for comprehensive functionality, including a spectral irradiance waveform display, MacAdam’s SDCM (Standard Deviation) level display, and LED binning function. Plus, a total of up to 10 CL-500A units can be connected using the CL-S10w software, allowing for multi-point measurement management.
The Illuminance Spectrophotometer CL-500A ensures precise and reliable measurements with its conformity to JIS AA classification and DIN Class B standards. It is ideal for a wide variety of lighting applications, including but not limited to:
• Evaluation of indoor and outdoor lighting such as LED, organic EL (OLED), and fluorescent lights.
• Measurement of special lighting used in broadcasting stations, studios, stages, events, etc.
• Illuminance and color temperature measurement of projectors.
• Spectral waveform and photosynthetically active photon flux density (PPFD) measurement of light sources related to plant growth.
Illuminance Spectrophotometer CL-500A
Main Specifications of the CL-500A
| Type Name | Illuminance Spectrophotometer CL-500A |
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| Illuminance meter class | Illuminance meter class Conforms to requirements for Class AA of JIS C 1609-1: 2006 “Illuminance meters Part 1: General measuring instruments”*1 Conforms to DIN 5032 Part 7 Class B |
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| Wavelength range | 360 ~ 780 nm |
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| Output wavelength spacing | 1 nm |
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| Spectral bandwidth | Approx. 10 nm (half bandwidth) |
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| Wavelength accuracy | ±0.3 nm (Median wavelengths of 435.8 nm, 546.1 nm, and 585.3 nm*2 as specified in JIS Z 8724)*3 |
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| Measurement range | 0.1 to 100,000 lx (chromaticity display requires 5 lx or more) |
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| Accuracy *4, 5(Standard illuminants A) | Ev (Illuminance) : ±2%±1 digit of displayed value |
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xy: ±0.0015 (10 to 100,000 lx)
xy: ±0.002 (5 to 10 lx) |
Repeatability (2σ)
(Standard illuminant A) | Ev: 0.5% + 1digit |
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XY: .0005 (500 ~ 100,000 lx)
XY: .001 (100 ~ 500 lx)
XY: .002 (30 ~ 100 lx)
XY: 0.004 (5 ~ 30 lx) |
| Visible-region relative spectral response characteristics (f1′) | Within 1.5% of spectral luminous efficiency V (λ) |
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| Cosine response (f2) | Ev: Within 3% |
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| Temperature drift (fT) | Ev: ±3% of displayed value; xy: ±0.003 |
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| Humidity drift (fH) | Ev: ±3% of displayed value; xy: ±0.003 |
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| Measurement time | Super Fast mode: Approx. 0.2 sec. (when connected to computer);
Fast mode: Approx. 0.5 sec.;
Slow mode: Approx. 2.5 sec.;
Automatic exposure time setting (high accuracy) mode: Approx. 0.5 to 27 sec. |
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| Display modes | XYZ; X10Y10Z10; Evxy; Evu’v’; Ev; Dominant wavelength, Excitation purity; Correlated color temperature, Δuv; General color-rendering index (Ra); Special color-rendering indexes (Ri (i=1~15)); Spectral graph; Peak wavelength; Δ (XYZ); Δ (X10Y10Z10); Δ (Evxy); Δ (Evu’v’); Rank display |
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| Other Features | Data memory: 100 data; User calibration function (when connected to computer); Continuous measurement (when connected to computer); Auto off function |
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| Language | English, Japanese, Chinese (Simplified) |
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| Interface | USB2.0 |
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| Power | Rechargeable internal lithium-ion battery (Operating time per charge: Approx. 6 hours when new); AC adapter; USB power bus |
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| Operating temperature and humidity range | -10 to 40°C, relative humidity of 85% or less (at 35°C) with no condensation |
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| Storage temperature and humidity | -10 to 45°C, relative humidity of 85% or less (at 35°C) with no condensation |
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| Size | 70 × 165 × 83 mm |
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| Weight | 350 g |
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*1 For Section 7.6.3 Response Time, when measurement speed mode is set to FAST mode.
*2 For 585.3 nm, evaluation performed using substitute wavelength of 587.5 nm.
*3 Based on Konica Minolta test standards (change in temperature of 2°C or less after zero
calibration.)
*4 Automatic exposure time setting (high accuracy) mode
*5 Linear for Ev (Illuminance)
Main specifications of Data Management Software CL-S10w
| Type | Add-in for Excel®
(Excel® is required to use this add-in.) |
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| Operating environment | One of the following environments with Excel® installed: * Languages in parenthesis ( ) are the OS language. Windows® XP + Excel® 2003 (English, Japanese, or Simplified Chinese)
Windows® 7 + Excel® 2010 (English, Japanese, or Simplified Chinese)
* For details on system requirements for above versions of Windows® and/or Excel®, refer to their respective specifications. |
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| Compatible Instruments | CL-500A, CL-200A, CL-200 |
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All information provided herein, specifications and dimensions are subject to change without notice due to circumstances.
Illuminance Spectrophotometer CL-500A
Catalog Download: Download PDF (2.5MB)
Owner’s Manual: Download PDF (467KB)
