Magnetic flowmeter, Electomagnetic flow meter, Mag meter
Primary of a flowmeter, flow meter, flow transducers
heat counter, energy meter
Manometer
Laminar, Laminar-box, laminar flow closet, tissue culture hood
microspectrophotometer, microscope spectrometer, microphotometer, microfluorometer, Raman microspectrometer, cytospectrometer