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What does HD stand for?

HD stands for Heat Detector

This definition appears frequently and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

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Other Resources:
We have 50 other meanings of HD in our Acronym Attic

Samples in periodicals archive:

When an environmental health officer visited the six-storey property in Wellfield Road, Walton, she found there were no mains wired smoke detectors anywhere in the building and there was no heat detector in the kitchen.
Eagle Fire Protection provides quality fire protection equipments such as fire alarms, emergency lighting systems, extinguishers, smoke detectors, sprinkler systems as well as smoke and heat detectors and almost everything that will help people to dodge fire safely.
On the 11-acre Bobby Fire east of Waldo Lake, crews on Thursday walked a grid over the fire area using hand-held infrared heat detectors to find hot spots.
Instead of the conventional air-conditioning technology, the hotel features a hybrid room tempering system using body heat detectors and motion sensors that regulate all in-room energy consumption efficiently and sustainably, said a statement.