Spectroradiometer spectraval 1501-focus
Optical parameters
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Measuring quantities
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All accessories of spectraval 1501-focus are coded. The software switches to the related measuring mode and the appropriate calibration data will be used when an accessory was attached to the device.
Add-on optics for different measuring geometries
JETI offers a variety of add-on optics to achive certain different measuring geometries.
Standard diffusor
spectraval 1501-focus measures in spectral Radiance mode. It is possible to convert it into a spectral Irradiance meter by attaching a diffusor.
In axis remote diffusor
If the measurement needs to be done in locations with limited space conditions then the remote diffusor can be used. It is a diffusor which is coupled to the spectraval device by an optical fiber bundle. The measurement is done in axis to the fiber bundle. Different fiber lengths are available.
90° remote diffusor
If the measurement needs to be done under limited space conditions and the in axis fiber coupled diffusor is not suited, then the 90° fiber coupled diffusor can be applied. Different fiber lengths are available.
Dome
The dome is equipped with a glass dom and it is IP67 tested. It can be mounted on roofs or outside walls and allows a detection of the optical sky radiation.
Dolby/realD filter cap pairs
The calibration of 3D projectors needs to be done through the right and left eye glasses. spectraval 1501-focus can be equipped with caps containing the filters of Dolby and realD projection. The usage of these filter pairs allows a precise measurement of 3D projections.
Neutral density filter
spectraval 1501-focus can measure up to 100 000 cd/m² (typical white LED spectrum). An additional neutral density filter allows to shift the measuring range towards higher Luminance levels.
Add-on optics for different measuring geometries
JETI offers a variety of add-on optics to achive certain different measuring geometries. There are different imaging optics: optics for specified distance ratios, optics for specified measuring angles (for any measuring distance) and customized optics.
On request.
Straylight protection tube
The straylight protection tube prevents the influence of surrounding light on Radiance measurements. It is mainly used for display measurements.
Display and projection measurement |
Operating Instructions JETI spectraval (2.45 MB) Operating Instructions JETI LiVal (8.62 MB) Operating Instructions Firmware (448.02 KB) 
JETI LiVal Demo (6.07 MB) JETI LiVal Version 8.0.8 (6.07 MB) JETI LiVal Changelog (692.48 KB) TN05 Measuring Ranges of JETI Spectroradiometers (359.01 KB) TN09 Testing the communication with Terminal (275.39 KB) 
Nippon Seiki, world leaders in the design and production of driver information displays, orders a JETI spectraval 1501-focus for its factory in Poland. Great to know that JETI is on board many cars in this way. 
