Colorimeter apparatus and related process

Combined cuvette with integral optical elements and electrical c

Combustible gas detector and method for operating same

Compact apparatus for measuring absorption by a gas

Comparative colorimeter

Compensated opto-electronic system and method for gas sensing

Concentration detector for colored toner

Condensation sensor and method of controlling condensate...

Construction for photometric analyzer

Continuous optical measuring apparatus and continuous...

Continuous optical measuring apparatus and continuous...

Continuous particulate emissions monitor calibrator

Continuous particulate-measuring apparatus using an optoacoustic

Correlation spectrometer having high resolution and multiplexing

Cuvette for spectrophotometrical analysis

Cuvette with integral optical elements

Cylindrical lens-based light sensor and use of the sensor in...