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CS-100A Luminance & Color Meters

Portable tristimulus colorimeter for light sources and irradiated objects. Allows luminance and chromaticity to be remotely measured with a 1° acceptance angle.

  • Numbers:G4C4F514C14D9A
  • Item:G4C4F514C14D9A
  • Brand:KONICA MINOLTA
Details

CS-100A Luminance & Color Meters

Brand: KONICA MINOLTA

Made in Japan

Spot measurement of colour and liminance in a handheld portable instrument

The portable Konica Minolta color meters are in their element when not only the brightness but also the color of light is to be measured. The wide selection offers the appropriate instrument for every application, from the simple tristimulus unit up to a spectroradiometer with spectral lenses.

Areas of application

Practically anything that illuminates can be measured with Konica Minolta's incident color meters. The possible uses range from research and development to production.
The CL-200 is a lux meter with a color function for workplace and street illumination, the production of lamps, or the measurement of very large surfaces and projectors (ANSI lumens) by taking advantage of the serial connection of several receptor heads.
The CS-100A Spot Incident Color Meter can measure all types of light sources including signal and traffic lights, airport runway lighting, lamps, LED's, etc. The CS-100A is highly accurate, completely portable and has a fast measurement time. The CS-1000 Spectroradiometer gives the measurement of spectral power distribution, luminance, chromaticity and correlated colour temperature of light sources, display devices and the non-contact measurement of reflective subjects. 
The CS-100A is a tristimulous spot meter for the measurement of luminance and standard colour value properties of coloured light sources. It is essentially an LS-100 with a color measurement option and is therefore similarly constructed. The SLR (single lens reflex) optical system allows precise targeting and ensures that the viewfinder shows the exact area to be measured, even at very short distances. With this, even exact focussing becomes easy. In addition to the measurement field and the measurement environment, the view finder also shows the measured luminance value. The pistol grip makes handling of the unit very secure. We have given special attention to minimize flare. With the help of a close-up lens, even objects as small as 1.3mm diameter can be captured. Please see the table for the achievable measurement area diameters.

The wide measurement range of 0.01 cd/m2 to 299,000 cd/m2 ensures most applications are covered. The measurement response time can also be adjusted to suit constant or flickering light sources. A neutral density filter is included for the measurement of strong and bright light sources. Luminance and standard color values are displayed externally on a large LCD.

Besides the measurement of absolute values, the LS can also display values relative to a defined standard (target). That way, brightness and color progression on large surfaces can be quickly ascertained. In order to increase accuracy even more with certain light sources, the CS-100A offers the option of user calibration.

Features

Product Overview

The CS-100A is a portable, non-contact digital tristimulus colorimeter featuring a spot, SLR (single-lens reflex) design for remote measurement of luminance and chromaticity.

Principal Applications

  • 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 complex shapes and items that cannot be touched for reasons of hygiene.
  • Chromaticity and luminance measurements of traffic signals.
  • Chromaticity and luminance measurements of color TV sets.
  • Luminance measurements of monochrome TV sets.
  • Chromaticity and luminance measurements of video projectors.

Main Features
  • Fully mobile and portable
    In addition to a compact body, the CS-100A benefits from a lightweight 890g design (not including batteries). As a portable, battery-powered device, it can be freely carried to any location where measurements are to be made.
  • Measurements are made entirely without contact.
    The single-lens-reflex design allows objects in the viewfinder to be brought into focus so that accurate measurements may be made from any remote location within the measurement range.
  • Converts the color of the indicated area to numerical values
    The color of the viewed object inside the measuring area can be measured quickly without the influence of outside areas.
  • Support for measurement of extremely small surfaces
    With its small acceptance angle, the CS-100A can support measurement diameters down to 14.4mm (at a distance of 1,014mm); furthermore, when an optional close-up lens is attached, support can be extended to measurement diameters as small as 1.3mm (at a distance of 205mm).
  • Two-way RS-232C communication
    Featuring an RS-232C interface as standard, this luminance meter can connect with a PC to send measurement data and receive control signals.
  • Color-difference measurement
    Once a target color has been set (by direct numerical input or measurement), color-difference measurements can be made to conveniently perform color management.
  • Calibration to a user reference for reduced error
    The CS-100A can be calibrated to user reference light sources to enable differences in displayed values in the vicinity of a specific color to be eliminated when using multiple devices.
  • Support for remote control and data processing

Specifications

Principal Specifications

Type SLR spot colorimeter for measuring light-source and surface luminance and chromaticity
Acceptance angle
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/m2 or fL (switchable)
Measuring range FAST: 0.01 to 299,000cd/m2 (0.01 to 87,530fL); SLOW: 0.01 to 49,900cd/m2 (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/m2 or above: ±0.001; 48.1 to 99.9cd/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)
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
Operating temperature/humidity range 0 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
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

Specifications are subject to change without notice.