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