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LS-100 Luminance Meter
LS-100 luminance meters are categorized in the upper range of the DIN quality class B, making them among the best handhand spot meters on the market. They are lightweight, compact, and powered by a single 9V battery for easy portability.
The series features an SLR (single lens reflex) optical system which allows precise targeting, ensures that the viewfinder shows the exact area to be measured even at very short distances, and enables areas as small as 0.4mm diameter to be measured. This makes the instrument extremely easy to use, even for first time users.
The measured luminance value is shown on the LCD screen, as well as the viewfinder, which enables the user to control the measured object without moving the instrument away from the eye. A neutral density eyepiece filter is included to allow measurements of strong light sources. The pistol grip enables the user to more stably hold the unit.
The LS-100 luminance meter has the ability to measure even extremely dark surfaces since its range starts at 0.001cd/m2. This instrument includes user calibration and color-correction functions, which allow the user to select a standard luminance and the function corrects the differences for the specified light sources. Measurement values can also be set to instantaneous luminance, peak luminance, and luminance ratio. This instrument can connect to a PC to send measurement data and receive control signals.
CL-500A Illuminance Spectrophotometer
The compact, lightweight, CL-500A illuminance spectrophotometer can be used not only for illuminance measurements but also for spectral evaluation of high class next generation lamps such as LEDs, OLEDs and EL illumination.
The CL-500A illuminance spectrophotometer makes use of multiple sensors and an optical grating which enables it to measure and evaluate CRI or Color Rendering Index. CRI is a quantification of the color-rendering properties of a lamp or other light source, and was defined to provide objective criteria. The CL-500A will measure and display the CRI (Ra) as well as the individual indices from R1 thru R15. Another benefit to using a sensor based detector is the ability to display spectral distribution in graphical form. The fact that the CL-500A is a sensor based instrument means it is well suited to measuring narrow bandwidth light sources including LEDs, OLEDs, Ultra High Pressure lamps (UHP), etc.
Photometric units are also available at any time. These include illuminance in lux and foot-candle, color temperature (CCT) in Kelvin, chromaticity in xy and u’v’ color space, tri-stimulus values XYZ, Duv, dominant wavelength and excitation purity.
Its lightweight and portable design allows it to be used for multiple applications within the lighting industry. It’s also a stand-alone instrument which allows it to be used without the need of a computer. The CL-500A can be used by itself virtually anywhere CRI or color temperature of lamps and LEDs need to be measured. In addition, the spectral irradiance waveform and peak wavelength can also be checked directly on the unit.
With the standard data management software (CL-S10w) included you can download measurement data directly to Excel as well as display spectral irradiance values, spectral waveform, chart color rendering indices and enable LED Binning function. Multi-point measurements are also possible by connecting up to 10 CL-500A units together.