The CL-500A is a lightweight, compact illuminance spectrophotometer used for the evaluation of high-class, next-generation lamps such as LED and EL illumination. It is the first handheld illuminance spectrophotometer to conform to both DIN and JIS standards. The CL-500A can measure illuminance, color temperature, CRI (Color Rendering Index), chromaticity, and spectral power distribution. Plus, the S/P ratio of scotopic illuminance and photopic illuminance can also be displayed.
The CL-500A's convenient measurement functions include continuous measurement mode, display of the averaging of multiple measurements, delayed-measurement function, and the display of data at a specific wavelength. The spectral irradiance can be measured at 1-nm pitch from 360 to 780nm, so it can be used for measuring the color of light and photosynthetic photon flux density (PPFD). High speed measurement is possible using the Software Development kit (5 times/second).
The data management software CL-s10w, is included as a standard accessory. It includes a template for expressing the chromaticity variation of illumination light sources such as LEDs or OLEDs in terms of the MacAdam SDCM (Standard Deviation of Color Matching) step. This allows display of color differences that closely match visual judgment. The software is also equipped with an LED binning function and a spectral irradiance waveform display.
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|Model||Illuminance Spectrophotometer CL-500A|
|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 DIN5032 Part 7 Class B
|Spectral wavelength range||360 to 780 nm|
|Output wavelength pitch||1 nm|
|Spectral bandwidth||Approx. 10 nm (half bandwidth)|
|Wavelength precision||+-0.3 nm (Median wavelengths of 435.8 nm, 546.1 nm, and 585.3 nm*2 as specified in JIS Z 8724)*3|
|Measuring range||0.1 to 100,000 lx (chromaticity display requires 5 lx or more)|
|Accuracy *4, 5 (Standard illuminants A)||Ev (Illuminance) : +-2%+-1 digit of displayed value
xy: +-0.0015 (10 to 100,000 lx)
xy: +-0.002 (5 to 10 lx)
|Repeatability (2 sigma;) (Standard illuminant A)||Ev: 0.5% + 1digit
xy: .0005 (500 to 100,000 lx) xy: .001 (100 to 500 lx)
xy: .002 (30 to 100 lx)
xy: 0.004 (5 to 30 lx)
|Visible-region relative spectral response characteristics (f)||Within 1.5% of spectral luminous efficiency V ( λ)|
|Cosine response (f2)||Ev: Within 3%|
|Temperature drift (fT)||Ev: +-3% of displayed value; xy: +-0.003|
|Humidity drift (fH)||Ev: +-3% of displayed value; xy: +-0.003|
|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.
|Color indication modes||XYZ; X10Y10Z10; Evxy; Ev; Ev; Dominant wavelength, Excitation purity; Correlated color temperature, Delta;uv; General color-rendering index (Ra); Special color-rendering indexes (Ri (i=1~15)); Spectral graph; Peak wavelength; Delta(XYZ);Delta(X10Y10Z10);Delta (Evxy);Delta (Ev); Rank display; Scotopic illuminance; S/P ratio; Spectral irradiance|
|Other functions||Data memory: 100 data; User calibration function (when connected to computer); Averaged measurements; Delayed Measurment; Continuous measurement; Auto power off function|
|Display languages||English, Japanese, Chinese (Simplified)|
|Power source||Rechargeable internal lithium-ion battery (Operating time per charge: Approx. 6 hours when new); AC adapter; USB power bus|
|Operating temperature/humidity range||-10 to 40°C, relative humidity of 85% or less (at 35°C) with no condensation|
|Storage temperature/humidity rangen||-10 to 40° C, relative humidity 85% or less (at 35° C) with no condensation|
|Dimensions (W x H x D)||70 x 165 x 83 mm|
|*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 deg;C or less after zero calibration.)|
|*4 Automatic exposure time setting (high accuracy) mode|
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