"In the case of someone with a high temperature, we take the necessary measures to stop the person ... and then the person is dealt with by paramedics and taken to the closest medical facility."
Dubai police are using the helmets to screen people in densely populated areas, including sealed off neighbourhoods.
Gulf Arab states have ramped up testing after recording a growing number of cases among low-income migrant workers in overcrowded housing.
The UAE has the second highest infection count among the six Gulf states, with more than 8,000, and over 50 deaths. It does not provide a breakdown for each of its seven emirates.
Like other countries around the world, Gulf states have deployed technology in the struggle to rein in the virus, including smartphone apps that track sufferers. Civil liberties groups have criticised such apps as an invasion of privacy.