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The uniform light source ISS-8P-VAHP is based on a ODM98 coating and offers an 19 mm light entrance port. Furthermore the system is equipped with a LS-OK30 light source and a manual aperture (LS-OK30-VA) for continuous intensity adjustment (luminance/radiance) and a filter holder which (LS-OK30-HPA) can be loaded by an OD1 and OD2 filter.

Intensity adjustment

With the help of the manuel aperture the radiance/luminance of the sphere can be continuously adjusted to the desired level. For enhancing the dynamic OD1 and OD2 optical density filter can be loaded. By doing this the intensity level is jumping to an new working point where as well a manuel intensity adjustment can be performed by the aperture. A quality measure for the intensity adjustment is a constant color temperature and no change in the homogeneity of the light entrance port. Both is achieved by the ISS-8P. The combination of the aperture and optical density filters makes this ISS-8P version the one with the largest dynamic range.

The light source can be equipped with LF-F or LH-F-UV quartz halogen lamps in the range of 5 W to 100 W. The power will be selected according to the needed radiance/luminance.


Calibration

A calibration with included calibration certificate (cd/m²) and/or spectral radiance (W/(m²sr)) which is traceable to a national standard can be optionally purchased. The calibration is done by our internal calibration laboratory.


Option

For operation an optional quality current regulated power supply of the LPS series can be used.

ISS-8P-VAHP
General
Short description

Integrating sphere source with 19 mm Diameter light output port. Tungsten halogen lamp up to 100 W. Three steps and variable intensity control.

Main features

Compact size. 19 mm Diameter light output port. Synthetic ODM98 coating of sphere and baffle. External lamp housing for tungsten halogen lamps up to 100 W. Three exchangeable holes-pattern attenuation filter (OD0, OD1 and OD2) and variable aperture.  

Measurement range

Luminance: OD0: 120000 cd/m², OD1: 12000 cd/m², OD2: 1200 cd/m² (at CCT 2960K with LH-100F-UV)

Luminance: OD0: 75000 cd/m², OD1: 7500 cd/m², OD2: 750 cd/m² (at CCT 2856K with LH-100F-UV)

Fine adjustable intensity with variable aperture in each intensity step

 

typical applications

Uniform light source for pixel uniformity calibration and adjustment. Intensity control in three steps (OD0, OD1, OD2) by exchangeable neutral densnity attenuation filters. Fine adjustable intensity in each step by aditional variable aperture.

Calibration

Luminance at 100 % intensity. Optional calibration of the spectral radiance (380 nm to 1100 nm). Calibration certificate with description of the calibration procedure, reference standards applied, traceability and calibration uncertainty.

Calibration
Calibration uncertainty

luminance (cd/m²):                        ± 3,5%

color temperature [K]:                    ± 2%

 

Specification
Light Output Port

19 mm

Luminance

Range: Continuous adjustable

(0 - 57000) cd/m² (at CCT 2960K with LH-100F-UV)

(0 - 39000) cd/m² (at CCT 2856K with LH-100F-UV)

 

OD0 VA 100 % open:

    57000 cd/m² (at CCT 2960K with LH-100F-UV)

    39000 cd/m² (at CCT 2856K with LH-100F-UV)

OD0 VA 10 % open:

    5700 cd/m² (at CCT 2960K with LH-100F-UV)

    3900 cd/m² (at CCT 2856K with LH-100F-UV)

    ΔCCT = +10 K

OD1 VA 100 % open:

    5700 cd/m² (at CCT 2960K with LH-100F-UV)

    3900 cd/m² (at CCT 2856K with LH-100F-UV)

    ΔCCT = -10 K

OD1 VA 10 % open:

    570 cd/m² (at CCT 2960K with LH-100F-UV)

    390 cd/m² (at CCT 2856K with LH-100F-UV)

    ΔCCT = 0 K

OD2 VA 100 % open:

    570 cd/m² (at CCT 2960K with LH-100F-UV)

    390 cd/m² (at CCT 2856K with LH-100F-UV)

    ΔCCT = -20 K

OD2 VA 10 % open:

    57 cd/m² (at CCT 2960K with LH-100F-UV)

    39 cd/m² (at CCT 2856K with LH-100F-UV)

    ΔCCT = -10 K

OD2 VA 1 % open:

    5,7 cd/m² (at CCT 2960K with LH-100F-UV)

    3,9 cd/m² (at CCT 2856K with LH-100F-UV)

    ΔCCT = 0 K

OD2 VA <1 % open:

    ΔCCT = continues to change

Lamp Connection

Two Banana type plugs

Specifications

80 mm ODM speher with 19 mm light entrance port

Graphs
Uniformity

ISS 8P Homogenitaet2

Type Description File-Type Download
Datasheet ISS-8P-VAHP PDF
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Product
15297930 ISS-8P-VAHP

Integrating sphere source for quartz halogen lamps (series LH-F and LH-F-UV: 5 W to 100 W). Manuel variable aperture and optical density filters (OD0, OD1 and OD2) for intensity regulation. Included are fan, power supply for the fan and banana plug connectors.


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