ProMetric PM-1600 Imaging Colorimeter
High sensitivity spatial luminance, illuminance & colour measurements
The PM-1600 is a high performance ProMetric imaging colorimeter based upon TE-cooled, full frame CCD sensors with a choice of 512 x 512 or 1024 x 1024 pixels. With a dynamic range of 16 bits, the PM-1600 can resolve 65,536 different levels of brightness and colour. The PM-1600 is available as a colorimeter with a motorised, internal filter wheel containing three RGB filters precision matched to the CIE tristimulus observer function. The PM-1600 is equipped as standard with a second, motorised, internal filter wheel containing neutral density filters. With ND1 and ND2 filters fitted, the ProMetric camera can cope with light sources up to 100 times brighter. This feature is particularly useful when testing high brightness LEDs and luminaires. All PM-1600 models are available with an optional, fourth colour filter fitted to the internal filter wheel. The XB filter further improves the colorimetric match to the CIE tristimulus observer functions and leads to a higher level of accuracy with narrow band light sources.
The PM-1600 stands out for its very high sensitivity and wide dynamic range which mean that it can detect the smallest colour and luminance differences that lesser cameras can’t resolve. The full frame CCD sensors leave no gaps between the pixels which gives accurate measurements with small features (e.g. instrument panels, LED arrays, pixel/line defects in displays). The CIE-matched RGB filters give accurate results with broad and narrow spectrum light sources. The PM-1600 is best for detailed analysis of displays (e.g. pixel defects), automotive & avionics instrument panels, LED arrays & clusters, automotive headlamp testing, projectors and display contrast measurements.
Each PM-1600 system comprises the ProMetric colorimeter, a lens or lenses of your choice (see: ProMetric Lenses), calibration(s) of the camera with your chosen lens(es), ProMetric software with 12 month support licence and a hard sided case for safe keeping. All ProMetric systems are supplied as standard with a 2 year hardware warranty. Popular options include an extended software licence or hardware warranty, the XB colour filter and a geared tripod (or other mounting system). A computer is required to run the ProMetric software (user-provided). On-site training programmes are also offered by Pro-Lite.
Depending upon the intended application, a ProMetric imaging photometer or colorimeter can be ordered with a factory luminance calibration, or a kit that allows you to perform an in-situ illuminance calibration. For near-field measurements, you should specify a luminance calibration (units: candelas per square meter, cd/m2). Luminance calibrations are performed on the ProMetric camera with each lens at a specified working distance. For far-field measurements, you need to order your ProMetric instrument with an illuminance calibration kit. This comprises a high power projector light source with diffuser to create a Lambertian illumination pattern on a user-provided matte white screen. An illuminance photometer or colorimeter is also required (see: Photometers).
Prometric cameras are normally calibrated to CIE standard illuminant A and D65 colour points with reference to an incandescent source. For improved colorimetric accuracy with narrow linewidth sources such as LEDs and LCDs, a factory spectroradiometric four colour or multicolour calibration is available. Please note that ProMetric software allows a user to create their own device-specific colour correction calibrations, provided that they have access to a suitable spectroradiometer.
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