Detector
device to detect something's presence or absence; a sensor with binary output
submarine detection system
magnetic detector
heat detector
flame detector
voltage detector
detector
polygraph
photodetector
metal detector
gravitational-wave detector
shock detector
carbon monoxide detector
lightning detection
electronic tongue
chromatography detector
radar detector detector
magnetic anomaly detector
nitrogen–phosphorus detector
glass break detector
bat detector
defect detector
explosives trace detector
currency detector
smoke detector
LUCID
particle detector
gaseous ionization detector
thermal conductivity detector
X-ray astronomy detector
electron capture detector
gas detector
infrared detector
radar detector