Scientific, laboratory, measuring, control, monitoring and recording apparatus and instruments, in particular devices, apparatus and instruments for measuring flow, level, volume, temperature, density and/or pressure; current transformers; pneumatic transformers for electro-pneumatic apparatus; control valves for regulating the flow of gasses and liquids [solenoid valves]; measuring and recording apparatus and instruments for water, cooking and heating installations, chemical apparatus and ut...

Acoustic meters; Automatic liquid-flow control machines and instruments; Flow meters