Konica Minolta ILLUMINANCE METER LUMINANCE METER CHROMA METER T-10A /T-10MA/ T-10WSA/T-10WLA User Manual

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Main specifications of Chroma Meter CL-200A

Model

Chroma Meter CL-200A

Luminance meter

class

Conforms to requirements for Class AA of JIS C 1609-1: 2006 "Illuminance

meters Part 1: General measuring instruments"

Relative spectral

response

Closely matches CIE Standard Observer curves x¯(λ), y¯(λ), and z¯(λ)

Within 6% (f

') of the CIE spectral luminous efficency V(λ)

Cosine response (f

) Ev: Within 3%

Receptor

Silicon photocell

Measuring

function

Tristimulus values: XYZ

Chromaticity: Evxy; Evu'v'; Ev, Dominant wavelength, Excitation purity

Correlated color temperature: EvTcp∆uv; Tcp(JIS method; available only with

CL-S10w)

Color difference: ∆(XYZ), ∆(Evxy), ∆(Evu'v'), ∆Ev∆u'v'(Target: 1)

Other function

User calibration function, Data hold function, Multi-point measurement

(2 to 30 points)

Measuring range

0.1 to 99,990 lx, 0.01 to 9,999 fcd (Chromaticity: 5 lx, 0.5 fcd or above) in

four automatically selected ranges (lx or fcd is switchable)

Accuracy*

Ev (Linearity): ±2%±1digit of displayed value

xy: ±0.002

Repeatability*

Ev: 0.5%+1digit (2σ),

xy: ±0.0005

Temperature drift Ev: ±3% ±1digit of displayed value, xy: ±0.003

Humidity drift

Ev: ±3% ±1digit of displayed value, xy: ±0.003

Response time

0.5 sec. (continuous measurement)

Computer interface USB

Printer output

RS-232C

Display

4-significant-digit LCD with back-light illumination

Operating temperature/

humidity range

-10 to 40˚C, relative humidity 85% or less (at 35˚C) with no condensation

Storage temperature

/ humidity range

-20 to 55˚C, relative humidity 85% or less (at 35˚C) with no condensation

Power source

2 AA-size batteries / AC adapter AC-308 (optional; for 1 to 10 receptors) or

AC adapter AC-311 (optional; for 1 to 30 receptors)

Battery life

72 hours or longer (When alkaline batteries are used) in continuous

measurement

Dimensions

69Ч174Ч35 mm (2-6/16Ч6-14/16Ч1-7/13in.)

Weight

215 g (7.6 oz.) not including batteries

800 lx, Standard Illuminant A measured

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System diagram

[Actual measurement data for daylight-color LED bulb]

Measured color temperature

Color-temperature difference from

standard-instrument measured value

Our company's standard instrument

5045

CL-200A

5011

-34

Photographic color meter

5600

555

CL-200A

The CL-200A has sensors that closely match the CIE*-defined color-matching functions which are intended to correspond

to the response of the human eye to enable precise color measurement. The measurement results can be displayed in

various color notations such as "Correlated color temperature and uv" according to the application.

*CIE: International Commission on illumination

Photographic color meter

In order to take more beautiful pictures, it is sometimes necessary to attach filters in front of the camera lens to compensate for

the color of the light illuminating the subject. A photographic color meter is a meter used to select the appropriate filters, with the

sensitivity of its sensors adjusted to match that of the film or digital camera sensor. In addition, because it uses photographic

color temperature, which is calculated based mostly on the blue/red balance of the illumination, large errors may occur if it is

used to measure light sources with non-continuous spectrums.

Color temperature

When an ideal blackbody* is heated, it begins to emit light, and as the temperature increases the color of the emitted light

changes from red to yellow to white. Since the color of the emitted light is determined by the temperature of the blackbody, the

color of the light emitted by the blackbody can be expressed as the absolute temperature of the blackbody (in Kelvin). This color

notation scale is called "color temperature". For example, a 7000 K color would be the color of the light emitted by a blackbody

heated to 7000 K. Figure 1 shows the color of light emitted by a blackbody at various temperatures plotted on an xy chromaticity

diagram. This curve is called the "blackbody locus"; "color temperature" expresses a color on this blackbody locus.

Correlated color temperature

Since the color of white light emitted by illumination equipment and displays is generally close to the blackbody locus, the

color of such light sources is normally expressed using "color temperature".

However, the color of such light sources is not directly on the blackbody locus. Because of this, a way to enable similar

color expression for colors within a larger region close to the blackbody locus was devised. This is called "correlated color

temperature", and the larger region is shown by the isotherms on the xy chromaticity diagram in Figure 2.

To accurately express the correlated color temperature of a light-source color, it is necessary to state not only the

correlated color temperature but the difference from the blackbody locus, normally in terms of uv.

*Blackbody
An ideal radiator. A body which completely absorbs all
incident electromagnetic radiation. Although a perfect
blackbody does not actually exist, coal is a familiar
object that acts similarly.

For accurate measurements of color temperature, use the CL-200A!

Color temperature and correlated color temperature

Reference plane

Center of receptor

window

Tripod socket

7.5

71.8

56.

46.

4.5

hole

45.

27.5

174

45.

56.

Reference plane

Center of receptor

window

Tripod socket

7.5

71.8

56.

46.

4.5

hole

45.

27.5

174

45.

56.

*Not included as standard accessory in some areas.

CL-200A

AA Battery (2pcs.)*

Strap

Case T-A10

Cap T-A13

(commercially

available)

RS-232C printer

(commercially available)

Data Management Software

CL-S10w

Processing by computer

Printing out data

USB Cable

T-A15 (2m)

Printer Cable

T-A12 (2m)

AC Adapter

External Power

CL-200A*

Receptor Head

Hood CL-A11

Optional receptor head

Adapter Unit for

Main Body

T-A20

Adapter Unit for

Receptor Head

T-A21

With LAN category-5 cable 1m

For multi-point measurement / detached head

LAN(10BASE-T )

category-5 straight cable

(commercially

available)

Multi-point measurement requires use of optional AC adapter.

Hard Case

CL-A10

*CL-200

Receptor

Head can

also be used.

Ex.: Multi-point

measurement

Ex.: Head and body

connected via

cable

Figure 1: Blackbody locus on xy chromaticity diagram

Figure 2: Closeup of blackbody locus on xy chromaticity

diagram showing correlated color temperature region

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Main specifications of Data Management

Software CL-S10w

Type

Add-in for Excel

* Excel is required to use this add-in.

Operating

environment

One of the following environments with Excel

installed:

Windows

XP Professional 32-bit SP3, 64-bit SP2

+ Excel

2003 (English, Japanese, or Simplified Chinese)

Windows

7 Professional 32-bit, 64-bit

+ 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.

* Languages in parenthesis ( ) are the OS language.

* Not compatible with 64-bit versions of Excel

Compatible

instruments

CL-200A, CL-200*

* Some functions not usable with CL-200.

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Dimensions

(Units: mm)

With receptor head attached to main body

With adapter unit attached to receptor head

Chroma Meter CL-200A