The secondary digital clock CHB-11 (hereinafter referred to as the product) is designed for counting down and displaying the current time. The information is displayed in Arabic numerals on seven-segment indicators. The product is designed for operation in the conditions of underground halls. In terms of resistance to climatic factors during operation the product corresponds to classification group K1 according to OST 32.146-2000, but for operation at temperatures in the range from 0 deg.
C to +40 deg. C, without frost and dew. In terms of resistance to mechanical effects occurring in the process of operation, the product corresponds to the classification group MS1 according to OST 32.146-2000. The product can be built into information boards and constructions.
Basic technical data: Power consumption, W, not more than 150; Time indication - hours and minutes. The accuracy of time counting is not worse than +/- 1 second per day. Height of digits on LCD indicators, mm,200; Colour of glow - orange; There is a brightness adjustment. There is an automatic adjustment...
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