Metrological characteristics of the Tensor-28 luminance meter

The paper presents research results on metrological characteristics of the luminance meter "Tensor-28", designed to measure average screen brightness of picture tubes and other self-luminous surfaces

The PPTN-02 new-generation current-voltage transducers for measuring of photosignals

The measurement results of technical characteristics of new-generation current-voltage transducers which have low input resistance (<10 Оhm) and providing ptotodiodes photocurrent measurement from 1·10-12 to 1·10-3 A are presented