colorimeter, photometer, cuvette, pyrometer, refractometer, rheometer, titrator, viscometer, microspectrophotometer, reflectometer, densitometer, monochromator, spectrometer, absorbance, spectro, mass spectrometer, chemiluminescence, analyzer, polarimeter, calibration, cytometer, manometer, scintillator, microbalance, fluorometer, tonometry, spectroscope, electrophoresis, chromatograph, zeiss, spectroscopic analysis, photopolymer, hygrometer, collimator, imager, toric lens, calorimeter, mosaicking, titrations, galvanometer, multimeter, electron optics, photolithographic, crius, illuminance, niton, imagesetter, vibrometer, oximeter, goniometer, photodiode, flowmeter, detector, photometric, diffractometer, absorption coefficient, ammeter, immunoassay, hydrometer, gas chromatography, chromatographic, image scanner, reagent, ionisation, photomultiplier, micrometer, bolometer, thermistor, photocells, nuclear magnetic resonance, photodetector, halide, cryostat, digitiser, radiometer, sterilant, tomograph, interferometer, piezoelectric crystal, rotary actuator, luminous intensity, microchannel, fluorescent dye, eluent, horseradish peroxidase, ultrasonic, chromatograms, oxygenator, binocular microscope, birefringence, spectroscopy, aneroid, photomultipliers, transducer, fluorescence microscopy, spectrographic, electret, emittance, strain gauge, corona discharge, fluidics, photoluminescence, spectrophotometry, spectrometers, spectrophotometers, meter, oscilloscope, potentiometer, analyser, analysers, microscope, gage, oscillograph