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.

Battery charger

Bluetooth USB adapter

Carrying case/ bag

Protective cap

Straylight protection tube
The straylight protection tube prevents the influence of surrounding light on Radiance measurements. It is mainly used for display measurements.

Tripod