pyrheliometer

noun 0.755

pyran

noun 0.689

pyrometer

noun 0.637

photometer

noun 0.635

polarimeter

noun 0.631

radiometer

noun 0.631

psychrometer

noun 0.618

actinometer

noun 0.613

light meter

noun 0.595

rain gauge

noun 0.591

pyrometry

noun 0.580

spectrophotometer

noun 0.579

photosensor

noun 0.576

solar collector

noun 0.575

nephelometer

noun 0.575

bolometer

noun 0.569

anemometer

noun 0.569

pyroelectric

noun 0.569

hygrometer

noun 0.547

disdrometer

noun 0.547

thermometer

noun 0.546

transmissometer

noun 0.546

photoresistor

noun 0.544

spectrometer

noun 0.543

pyranose

noun 0.540

ometer

noun 0.538

hydrometer

noun 0.537

phototransistor

noun 0.533

goniometer

noun 0.532

exposure meter

noun 0.531

energy meter

noun 0.530

polarimetry

noun 0.529

solar radiation

noun 0.528

radiosonde

noun 0.528

planimeter

noun 0.526

solar

noun 0.526

clinometer

noun 0.524

urinometer

noun 0.524

scintillometer

noun 0.522

photomultiplier

noun 0.520

photodiode

noun 0.520

photodetector

noun 0.519

scatterometer

noun 0.516

inclinometer

noun 0.516

spirometer

noun 0.516

solar telescope

noun 0.515

photovoltaic cell

noun 0.511

colorimeter

noun 0.511

hypsometer

noun 0.511

sensor

noun 0.510

photocell

noun 0.508

lysimeter

noun 0.507

calorimeter

noun 0.507

tiltmeter

noun 0.507

thermopile

noun 0.506

actinometry

noun 0.506

reflectometer

noun 0.505

solar cell

noun 0.503

solar still

noun 0.502

keratometer

noun 0.501

wattmeter

noun 0.501