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Giving Shape to Ideas

Specifications

CAS 120 Array spectrometer

High-performance, versatile array spectrometer from Instrument Systems for the precise measurement of photometric, colormetric and spectral characteristics in the range 200 to 830 nm.

Ideal for fully automated 24h/7d measurements in LED production and for quality assurance. Can be expanded to a universal laboratory measuring station.

Specifications

Principal Specifications of the CAS 125

Model

UV/VIS

UV/VIS/NIR

VIS

Spectral range [nm]

200 - 830 nm

220 - 1020 /

300 - 1100 nm

360 - 830 nm

Detector

CMOS

Number of pixels

2048

Spectral resolution 100 µm slit width

3.0 nm

3.7 nm

2.2 nm

Data point interval

0.7 nm

0.9 nm

0.5 nm

Wavelength measurement accuracy

± 0.2 nm

Integration time

10 µs – 10 s

Shortest time interval SOT/EOT

< 230 µs

Dynamic range

6500:1

Max. scan rate

4500 /s

Linearity

< ± 1 %

Spectrograph

Focal length, luminous intensity, grating

approx. 120 mm, f/ 3.5, plane reflection grating

Slit

Standard 100 µm; optional 50 µm or 250 µm

Filter wheel / shutter

Standard for all models: density filter OD 1-4; model UV/VIS with UV density filters; position monitoring with encoder

Electrical data

AD converter

16-bit resolution

PC interface

Ethernet

Triggering

Input: 5V TTL input with ascending slope; Output: 2 TTL outputs

 Miscellaneous

Dimensions (H, W, T)

136,5 mm x 233 mm x 325 mm

Power supply

Wide range input (external) 100 - 240 VAC, 50/60 Hz

Ambient temperature

15 - 35 °C; relative humidity 70 % max., non-condensing

Weight

approx. 6.6 kg

Applicable standards

Conforms to EN 61010-1:2002-08 (safety requirements governing electrical devices for measurement, control and laboratory use

Measurement accuracy

Luminance / radiance

Luminous intensity / flux

Irradiance / illuminance

Color coordinates (x, y)

Dominant wavelength

Instrument precision

± 0.3 %

0.0002

0.1 nm

Accuracy

± 3 %

± 4 %

± 3.5 %

0.002

0.5 nm