Digital luminance meter LM 20

digital luminance meter
digital luminance meter
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Universal solution for conformity analysis conforming to standards ECE R4 and SAE J587 The LM 20 was developed for die standard-compliant measurement of luminance of vehicle registration lighting (license plates) in conjunction with an AMS goniophotometer system from the Optronik line from Instrument Systems. The luminance meter consists of a tube with special measurement optics for stray light reduction, a digital DSP 10 photocurrent amplifier and an LED alignment device for precise focusing on the reference surface on the test object. It meets the requirement of classification A (high accuracy) pursuant to DIN 5032-7 for luminance meters. The instrument focuses precisely on a measuring field with a diameter of 25 mm at a distance of 3.162 m. It is fully integrated via CAN-bus into the other components of an AMS goniophotometer system, ensuring convenient operation of the measurement set-up in positioning on the measuring fields. Display range 1,000,000 cd/m² with a resolution of 0.02 cd/m² in the most sensitive measuring range Connection to the AMS goniophotometer via CAN-bus; display of readings directly on the AMS controller LED alignment device facilitates targeting on measuring points Special measurement optics for the suppression of stray and extraneous light


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