Jeti specbos2501-NIR Broadband Spectroradiometer

Description

• Wavelength range: specbos 2501-NIR: 380-1000 nm
• Measure the following
  • Luminance, Radiance
  • Illuminance, Irradiance (requires diffusor)
  • xy and u’v’ coordinates, RGB values
  • Calculation of CCT, CRI, CQS, ™-30, TLCI, etc.
  • Various application spec
• Radiometric software JETI LiVal included
• Start of measurement with external trigger signal
• Highly sensitive
• Internal target spot laser
• Mechanical shutter for dark signal compensation
• Automatic measurement in selectable time intervals
• USB powered – mobile
• Includes 90º diffusor

Highlights

• Wavelength range from VIS to NIR
• High sensitivity 
• Radiance as well as Irradiance* measuring modes (*optional diffuser required)
• Easy to install and use
• NIST traceable calibration
• Measurement also possible with DLLs or SCPI compatible commands
• USB / Bluetooth (optionally LAN, PoE powered)
• Internal target spot laser (Radiance measurement)
• Mechanical shutter for dark signal compensation
• Start of measurement with external trigger

Additional Features

• Pass/ fail decisions
• Ranking function (up to 16 ranks)
• Saving of reference spectra
• Spectral calculations
• Data export in csv and xls files
• Issuing of customer-specific pdf protocols
• Writing of history graphs

Optical parameters

• Spectral range: specbos 2501-NIR: 380-1000 nm
• Optical resolution (FWHM):  4.0 nm (2.0 nm for 2501-HiRes)
• Wavelength resolution:  1 nm
• Digital electronic resolution:  16 bit ADC
• Viewing angle: 1.8° (Radiance mode)
• Measuring distance/ diameter:  20 cm – Ø7 mm; 100 cm – Ø33 mm (measured from front end of device)
• Measuring values:  Spectral Radiance, Luminance, total Radiance, x,y, u’,v’, CCT, color purity, CRI, RGB, PAR, TLCI, circadian metrics and others.

Measuring ranges and typical measuring uncertainties (according to CIE TN 009:2019)

• Luminance measuring range:
  • 0.2 … 150 000 cd/m² (Illuminant A)
  • 0.2 … 100 000 cd/m² (typical warm white LED) (higher values with optional filter)
• Luminance accuracy:  ± 3.5% (Illuminant A @ 100 cd/m2, k=2)
• Luminance reproducibility:  ± 1 %
• Chromaticity accuracy: ± 0.002 x, y (Illuminant A, k=2)
• Color reproducibility:  ± 0.0005 x, y (Illuminant A)
• Illuminance measuring range: 1-800 000 lx (Illuminant A), 1-500,000 lx (typical warm white LED)
• Illuminance accuracy: ± 2.4 % (Illuminant A @ 2000 lx, k=2)
• CCT reproducibility:  ± 20 K (Illuminant A)
• Max. wavelength error:  ± 0.3 nm (HgAr line source)
• Polarization error f8: < 1 %

Other technical data

• Dispersive element:  Imaging grating (flat field)
• Light receiving element:  Backthinned CCD array 2048 pixels (binned)
• Power supply:  USB Hub powered, optionally PoE
• Interface:  USB 3.0 and Bluetooth (specbos 2501)
• Dimensions:  186 mm x 105 mm x 50 mm
• Weight: 1000 g
• Operating conditions:
  • Temperature 10 … 40 °C
  • Humidity < 85 % relative humidity at 35 °C
• Accessories (included):  PC software JETI LiVal for Windows 10/11, operating instructions and software development kit on USB flash drive, USB cable, battery charger, tripod, carrying case, protection cap, calibration certificate.
• Accessories (optional): Integrating sphere, filters, side view and fiber extended diffusors, add on optics
• Calibration: NIST traceable; Recommended recalibration interval 1 year