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 |