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We bring quality to light.
ISP 1000
Integrating Sphere for measuring
radiant power and luminous flux
Product highlights
tMeasurement of total radiant tt
t power and total luminous flux of t
t high-power LEDs, LED modules, t
t and lamps
Platzhalter
tRobust sample stage for
t mounting LED modules and
t SSL products
tLamp post for measuring light t
t sources positioned in an upright t
t or suspended configuration
t300 mm measurement port for t
t launching light radiation from tt
t outside
tAuxiliary lamp to compensate
t for self-absorption
The ISP 1000 has been designed with a diameter of one meter specifically for
taking precise measurements of radiant power and luminous flux of the larger
and more powerful light sources used for solid-state lighting applications and
for lamps in general. Two geometries are defined according to the type of test
specimen and the test data required: In the 4π configuration1, the samples are
mounted inside the sphere, while in the 2π configuration2 the light radiation is
launched from outside through a port in the side of the sphere wall.
The innovative design of the ISP 1000 minimizes interference from baffles
and ports and therefore permits more accurate measurements. The interior
surface of the sphere is coated with barium sulfate (BaSO4) and has a reflectance of approximately 97%. The light radiation is guided through a detector
port and an optical fiber to the spectrometer. All spectrometers supplied by
Instrument Systems can be linked to the sphere. The ISP 1000 has a strong
aluminum frame fitted with castors and can be opened completely.
Light radiation is emitted in all directions
Light radiation is only emitted forward (one hemisphere)
1t
2
light measurement
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