Model

Chroma Meter CS-100A

Type

SLR spot colorimeter for measuring light-source and surface luminance and chromaticity

Measuring angle

1˚

Optical system

85mm f/2.8 lens; SLR viewing system; flare factor less than 1.5%

Angle of view

9˚ with 1˚ measurement area indication

Focusing distance

1014mm to infinity

Receptors

3 silicon photocells filtered to detect primary stimulus values for red, green and blue light

Spectral response

Closely matches CIE 1931 Standard Observer curves

Response time

FAST: Sampling time: 0.1s, Time to display: 0.8 to 1.0s; SLOW: Sampling time: 0.4s, Time to display: 1.4 to 1.6s

Luminance units

cd/m² or fL

Measuring range

FAST 0.01 to 299,000cd/m²

SLOW 0.01 to 49,900cd/m²

Accuracy

Luminance(Y): ±2% of reading ±1digit

Chromaticity (x, y):

FAST Y 100cd/m² or above: ±0.001; 48.1 to 99cd/m² : ±0.002; below 48.1cd/m²: below measurement range

SLOW Y 25.0cd/m² or above: ±0.001; 12.0 to 24.9cd/m² : ±0.002; below 12.0cd/m²: below measurement range

(Measurement subject: Illuminant A)

Target value

1; set by measurement or numerical input

Measurement modes

Absolute color: Yxy; color difference: Δ(Yxy)

Data communication

RS-232C

External control

Measurement can be started by external device connected to data output terminal

Power source

One 9V battery, Power can be supplied via data output terminal

Operating temperature/humidity range

0 to 40℃, relative humidity 85% or less(at 35℃) with no condensation

Storage temperature/humidity range

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

Size

79*208*154mm

Weight

890g