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CCD Imageing Photometer-
LMK 98-3 (Luminance Meter) |
| The central part of the LMK
family is the luminance measuring camera type LMK 98. From the
models LMK 98-3 of this measuring system on, the versions LMK 98-3
parallel (parallel interface) and LMK 98-3 firewire (FireWire,
IEEE1394 interface) are available as well. They use sensors made by
the Sony company, type ICX 285 AL, which represent a further
development of the sensors type ICX 085 AL, with these sensors being
incorporated also into the cameras up to version LMK 98-2.The camera
type LMK 98 is an advanced digital CCD camera system including a
very precise analogue electronic system for signal generation. Each
camera has its own full filter specially calculated and manufactured
for your CCD matrix, allowing a high-quality V(λ) adaptation for
determining the luminances. |
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Feature |
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Complex evaluation of luminous and illuminated scenes by means
of the photograph of an image-resolved luminance distribution
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Simultaneous recording of a big number of connected measuring
data easy data analysis (at a glance)
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Luminance distributions in measuring images L(x,y)
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Derived lighting-engineering parameters such as illuminance
distribution E(x,y) and luminous intensity distribution I(x,y)
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Statistical data for being used in calculation programs (z.B.
EXCEL®, MatLAB®, LabVIEW®)
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Application |
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Night design
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Measurement of headlamps
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Measurement of lamps and luminaires
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Exterior lighting ex：roads and tunnels
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Interior lighting
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Display measuring
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Specification |
| Model No. |
LMK 98-3 |
| Sensor |
CCD Sony ICX 285 AL |
| Resolution (Effective pixel) |
1380 (H) x 1030 (V) |
| Video signal |
12 bit digital, progressive scan, data
transfer with parallel interface (max. 25m PC-cable) or
FireWire interface (IEEE 1394, iLink, max. 5m PC-cable) |
| Dynamic (Luminance-measurement) |
Single measurement: 1:1100
Multi
picture measurement:1:3600
High dynamic measurement: 1:10000000 |
| Optional filter positions |
Glass filter (standard)
Skotopic
matching V'(λ)
Circadian matching C(λ)
IR-filter (optional for NIR-Area) |
| Measurement values |
- Luminance: L (cd/m²)
- Further measurement values are free scalable
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Option |
| Fixed Focus
Lens |
| Focusable
Lens |
| Macro Lens |
| Half Space
Lens |
| Conoscopic
Lens |
| Neutral
density Filter |
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