- humidity, air pollution, fire, health,
security and lighting. MOS gas
detector sensors are used to
detect carbon monoxide,
sulfur dioxide,
hydrogen sulfide...
-
radar detector detector (RDD) is a
device used by
police or law
enforcement in
areas where radar detectors are
declared illegal.
Radar detectors are built...
- A
smoke detector is a
device that
senses smoke,
typically as an
indicator of fire.
Smoke detectors/Alarms are
usually housed in
plastic enclosures, typically...
- A
metal detector is an
instrument that
detects the
nearby presence of metal.
Metal detectors are
useful for
finding metal objects on the surface, underground...
- A heat
detector is a fire
alarm device designed to
respond when the
convected thermal energy of a fire
increases the
temperature of a heat
sensitive element...
-
called a
detector. A
variety of
different detector devices, such as the coherer,
electrolytic detector,
magnetic detector and the
crystal detector, were...
- A polygraph,
often incorrectly referred to as a lie
detector test, is a junk
science device or
procedure that
measures and
records several physiological...
- A
crystal detector is an
obsolete electronic component used in some
early 20th
century radio receivers that
consists of a
piece of
crystalline mineral...
- ****essed.
Other detectors include the Hall
electrolytic conductivity detector (ElCD),
helium ionization detector (HID),
infrared detector (IRD), photo-ionization...
-
neutrino detectors must be very
large to
detect a
significant number of neutrinos.
Neutrino detectors are
often built underground, to
isolate the
detector from...
