Luminance Probe Head FLA 603 LDM2
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Luminance Probe Head FLA 603 LDM2 - 1

Optical radiation Technical data: Measuring range: Smallest resolution: • Luminance measuring head, equipped with achromatically corrected, low stray light optics and high quality V(l) detector according to DIN class B. • The external sighting device allows, at a working distance of 1m, to exactly locate the measuring point, therefore, it is particularly suitable for evaluating the luminance for service and constancy tests. • Three measuring channels with different sensitivity. • Typical applications: Luminescent surfaces such as colour monitors, alphanumerical displays, sign plates and light panels, and reflecting surfaces, such as walls and equipment at work places, projecting screens, traffic and sign plates, guided paths and roadway lines. Spectral adaptation: approxim. to photometric valuat. function V(l) for photopic vision, class B, better than 6% Field of view diameter : approx. 30 mm at a distance of 0.5 m approx. 40 mm at a distance of 1 m approx. 120 mm at a distance of 5 m Nominal temperature: Operat./storage temperature: 0 to 60°C/–10 to +80°C Humidity range: Measuring surface: Meets standards: Luminance probe head with 1° field of view and external sighting device, DIN quality class B, with ALMEMO® connecting cable 1.5m long, incl. factory calibration certificate calibration in cd/m2 Light Flux Probe Head FLA 603 LSM4 Technical data: • High quality measuring head, DIN class B for light flux measurement with Ulbricht globe photometer. • Perfect coating of the globe with BaSO4 for diffuse reflectivity and spectrally neutral reflection quality. • Suitable for cold light sources, and lamps with high colour temperature and almost monochromatic radiation (as in LEDs). • Examples for applications: Endoscopes, fiber optic bunches, light emitting diodes. Measuring range: Smallest resolution: Sensitivity: Acceptance angle: Accuracy: Nominal temperature: Humidity range: Operating temperature: Inner diameter of globe: Test opening: 0.0002 lm to appr. 38 lm 0.001 lm 20nA/lm up to 90 ° DIN quality class B 24°C ±2K 10 to 90 % non-condensing max. 100°C inside globe 50mm 12,7 mm Light flux probe head with ALMEMO connecting cable 2m long and factory calibration certificate ® Factory calibration KL90xx radiation for sensor (see chapter Calibration certificates) 06/2014 • We reserve the right to make technical changes.

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