Optical level detector

Optical level sensor

Optical-fiber liquid-level monitor

Photoelectric levelness detector

Pressure or fluid level sensor

Pressure vessel with CO 2 liquid level indicator for a...

Radar level gauge system with adaptive transmission power...

Remote water level detector for a fire truck

Self-powered electrical meter for display of a liquid-level or t

Sensor for the measurement of the refractive index of a fluid an

Solid state illuminator for bi-color ported water level gauges

Solid state illuminator for bi-color ported water level gauges

Solid state illuminator for bi-color ported water level gauges

Solid state illuminator for bi-colored ported water level...

Water level gauge with fault detector

Water level indicator having a remote and a local readout displa