heat sensor

[/hiːt ˈsɛnsər/]
nounpl: heat sensors
sensor de calor
1. A device that detects or measures temperature or thermal radiation in an environment or object
The heat sensor in the thermostat automatically adjusts the room temperature.
O sensor de calor no termostato ajusta automaticamente a temperatura da sala.
2. An electronic instrument used in security systems to detect body heat or movement
The alarm system is equipped with a heat sensor to detect intruders.
O sistema de alarme está equipado com um sensor de calor para detectar intrusos.
3. A thermal imaging device used in industrial, medical, or scientific applications
Firefighters use heat sensors to locate people in smoke-filled buildings.
Os bombeiros usam sensores de calor para localizar pessoas em prédios cheios de fumaça.
Heat sensors are integral to modern HVAC systems, security infrastructure, and industrial automation in both Brazil and the USA. In Brazil, they are increasingly common in residential smart home systems, while in industrial applications, Portuguese technical documentation frequently uses 'sensor térmico' interchangeably with 'sensor de calor'.
Synonyms / Sinônimos
temperature sensorthermal sensorinfrared sensorheat detectorthermistor
Antonyms / Antônimos
cold sensor

Regional Variations

General Brazilian
sensor de calor
Most common and standard term across Brazil
São Paulo
sensor térmico
Alternative technical term used in industrial contexts
Rio de Janeiro
sensor de temperatura
Broader term sometimes used interchangeably
Portugal
sensor de calor
Same as Brazilian Portuguese; also 'sensor térmico' in technical contexts

Related Words

thermometerthermostatinfraredthermal imagingmotion detectortemperature control

Related Idioms & Phrases

under the heat
turn up the heat
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