LuminanceColor Meter CS-100A

Model：CS-100A
Brand：

CS-100A is a battery-powered, portable tristimulus colorimeter for light sources and irradiated objects.
· Allows luminance and chromaticity to be remotely measured with a 1° acceptance angle.
·Chromaticity and luminance measurements of color TV sets.
·Luminance measurements of monochrome TV sets.
·Chromaticity and luminance measurements of video projectors.

Type

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

Acceptance 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 (40 in.) 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/m 2 or fL (switchable)

Luminance unit

Cd/m2 or fL (switchable)

Measuring range

FAST: 0.01 to 299,000cd/m 2 (0.01 to 87,530fL); SLOW: 0.01 to 49,900cd/m 2 (0.01 to 14,500fL)

Accuracy

Luminance (Y): ±2% of reading ±1 digit
Chromaticity (x,y): ±0.004 (Illuminant A measured at ambient temperature of 18 to 28°C/64 to 82°F)

Repeatability

Luminance (Y): ±0.2% of reading ±1 digit
Chromaticity (x,y): FAST: Y 100cd/m 2 or above: ±0.001; 48.1 to 99.9cd/m 2 : ±0.002; Below 48.1cd/m 2 : Below measurement range
SLOW: Y 25.0cd/m 2 or above: ±0.001; 12.0 to 24.9cd/m 2 : ±0.002; Below 12.0cd/m 2 : 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)

Display

External: LCD; 3 values (Y, x, and y) of 3 digits each with additional indications
Viewfinder: 3-digit LCD (showing luminance value y ) with LED backlight

Data communication

RS-232C; baud rate: 4800bps

External control

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

Power source

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

Dimensions (W × H × D)

79 × 208 × 154mm (3-1/8 × 8-3/16 × 6-1/16 in.)

Weight

890g (2 lb.) without battery

Standard accessories

Lens cap; Eyepiece cap; Protective filter; ND eyepiece filter; 9V battery; Chromaticity chart; Case


·Chromaticity and luminance measurements of LEDs and other small light sources. ·Chromaticity and luminance measurements of tungsten and fluorescent lamps. ·Surface color measurements of freshly painted walls and other surfaces that cannot be touched. ·Surface color measurements of com