Related by context. Frequent words. (Click for all words.) 68 dosimeters 61 radiation detector 55 detector 54 Geiger counter 51 radiation 50 pulse oximeter 50 infrared beam 49 multimeter 48 radiation exposure 48 Geiger counters 48 radiometer 48 radar altimeter 48 sensor 47 spectrophotometer 47 microsieverts 47 dosimetry 47 altimeter 46 detectors 46 imager 46 thermal imager 45 spectrometer 45 readout 44 laser scanner 44 ionizing radiation 43 thermistor 43 handheld scanner 43 electromagnetic 43 sensor detects 43 radiation detectors 43 omnidirectional 43 sensors 43 digital readout 43 electrode 43 earplug 43 calibrator 43 infrared 43 transducer 42 infrared laser 42 Volumetric 42 gamma ray 42 eyepieces 42 absorbance 42 mSv 42 LED flashlight 42 Detector 42 infrared rays 42 electrocardiogram ECG 42 radionuclide 42 optical microscope 41 radioactivity 41 FTIR 41 Radiation 41 AERB 41 ionizing 41 infra red 41 laser pulse 41 backscatter 41 photodetector 41 accelerometers 41 infrared IR 41 gamma camera 41 rubidium 41 cosmic radiation 41 X ray fluorescence 41 laser pulses 41 millirem 41 measurements 41 terahertz 41 americium 41 pulse generator 40 fluoroscopy 40 interferometer 40 millisievert 40 magnetometer 40 SQUID 40 CCD camera 40 tomography 40 Detectors 40 infrared spectrometer 40 chest x ray 40 inertial navigation 40 Spectrometer 40 stethoscope 40 irradiance 40 X ray 40 X ray beam 40 protective clothing 40 ultrasonic waves 40 reflector 40 gamma radiation 40 ultrasonic sensors 40 millisieverts 40 THz 40 fluorescence imaging 40 brainwaves 39 magnifying lens 39 radiation emitted 39 microwave frequencies 39 Raman spectroscopy 39 miniaturized 39 glucometer