74295193
Jul 15, 1992
Aug 31, 1993
microprocessor based distributed electronic process controllers, temperature-indicating instruments for measuring, transmitting and indicating temperature values; pressure-indicating instruments for measuring and indicating or recording pressure values; counters and totalizers for receiving and totalizing electrical pulse signals; pneumatic and electronic pressure transmitters for the measurement of flow, liquid level, density or pressure values; liquid-level indicating devices provided with a float guide tube; electronic integrators for totalizing signals with respect to time; electronic recording equipment for industrial process systems; analog-to-digital converters; magnetic flowmeters; data loggers for recording plant variables; and instrument panels and consoles for indicating and electronic recording equipment and instruments; and parts and sub-assemblies for all of the foregoing
Electrical and Scientific Apparatus