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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:

Sensaprobe™ with Built-In Camera

Spectral Evolution CalibraSpec-4500A

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.