CalibraSpec 4500A
Spectral Evolution – NIR
Ultimate Stability in Radiometric Calibration Transfer Calibration Transfer
The CalibraSpec 4500A spectroradiometer from Spectral Evolution delivers exceptional stability and precision for a wide range of spectral measurement applications.
Equipped with fully thermoelectrically cooled photodiode arrays, it is specifically designed to meet the demanding requirements of calibration transfer workflows.
Available Accessory:
Specifications
Spectral Range | 350-2500nm |
Spectral Resolution (FWHM) | 3nm @ 350-1000nm 8nm @ 1500nm 6nm @ 2100nm |
Sampling Bandwidth (nm) | Data output in 1nm increments; 2151 channels reported |
Spectrometer Type | 3 Diffraction Gratings |
Detector(s) | 512-element UV-enhanced TE-cooled Si Array Two 256-element TE-cooled extended InGaAs arrays |
Calibration | Factory calibrated for radiance and/or irradiance using NIST traceable source (depending upon optics selection) |
Noise Equivalence Radiance W/cm2/nm/sr (1.2m fiber optic) | 0.2×10-9 @ 400nm 0.2×10-9 @ 700nm 0.9×10-9 @ 900nm 1.2×10-9 @ 1500nm 1.8×10-9 @ 2100nm |
Stray Light | ≤0.1%; VNIR: <0.03%; SWIR<0.02% |
Software Included | DARWin™ SP Data Acquisition |
Power | 7.5V, 30W |
Dimensions | 12.4″x 8.7″x 4.4″ |
Weight | 12.64 lbs |
Interface | USB, Wireless Connection |
Integration Time | 1 – 1000 ms |
Match Radiance | VNIR: 10 x Solar; SWIR: 2 x Solar |
Wavelength Reproducibility (nm) | 0.1 |
Wavelength Accuracy (nm) | 0.5 |
Automatic Exposure | ✅ |
Shutter for Dark Scans | ✅ |
TTL & Phototriggering for pulsed measurement | No |
Key Applications for CalibraSpec 4500A
- Solar radiance and irradiance measurements
- Solar simulator test and classification
- LED, laser, light source metrology
- Radiometric calibration transfer
- Remote sensing applications
Speak to PAS for expert guidance about the Spectral Evolution CalibraSpec 4500A.
CalibraSpec 4500A Features:
Maintains drift stability of 0.1% for highly accurate long-term measurements of integrating spheres and light sources.
Built-in temperature controller keeps the instrument housing stable, reducing warm-up time.
All detector temperatures are displayed in DARWin™ SP software for real-time monitoring.
Automatic detector integration and dark current correction ensure an exceptional signal-to-noise ratio.
High-transmission fiber optic cables are radiometrically calibrated to NIST standards.
Optional radiometrically calibrated accessories, including lenses and cosine receptors, are available.