Optical sensor for opaque and non-opaque materials
Optical sensor utilizing rare-earth-doped integrated-optic laser
Optical sensors for cell processing systems
Optical smoke detector operating in accordance with the extincti
Optical system
Optical system
Optical transmission calibration device and method for optical t
Optical transmittance apparatus for fluids
Optical turbidimeter with a lens tube
Opto-acoustic gas analyzer
Overmolded flowthrough turbidity sensor
Particle concentration measuring method and device
Passive remote sensor of chemicals
Photo expansion gas detector
Photoacoustic device and process for multi-gas sensing
Photoacoustic sensor
Photoelectric detector
Photometer for measuring hot gases
Photometer head for small test volumes
Photometer with automatic test sample selection, scanning and an