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Abstract
The system comprises of semiconductors with a few auxiliary circuits which contain cold cathode tubes. With a bandwidth of 360 c/s, the transmission speed is 20 measurands per second which can be expanded to handle up to 36 measurands. The measurement current of 0–5 mA fed in at the transmitting end is reproduced with the same range at the receiving end. The accuracy is better than ± 0°5 per cent. Hence the error of transmission is less than the classified error of conventional indicating instruments. A telemetering system of this kind fulfils the present intensified requirements regarding the number of measurands which can be transmitted and the accuracy of measurement.