The phrase "device to test" is correct and usable in written English.
You can use it when you need to describe a tool or object that is used to test something. For example: "We used a special device to test the water's pH level."
One man used a handheld X-ray device to test the lead content of a pink Toys R Us Hannah Montana backpack.
A display allows the doctor in charge to see the results as they are collected, and the signals are also recorded for subsequent review and analysis.Researchers at the Mayo Clinic in Rochester, Minnesota, have used the device to test 270 patients aged between 42 and 66.
Together with the Wellcome Trust, the money will go into five areas of research, including a portable device to test bodily fluids and statistical modelling of how many cases and deaths from Ebola can be expected and the health care facilities needed as a consequence.
Cadaver assays were performed with a stainless steal device to test fixation and adequacy to the human spine anatomy.
Mr Zaman and his colleagues have developed a hand-held device to test medication quality, looking for fakes and compounds that have gone bad.
Using nanofabrication techniques, we integrated freestanding specimens with micro-electro-mechanical device to test the specimens in situ inside a SEM.
"But security people from embassies have called us asking for devices to test out.
While hospitals routinely use clip-on devices to test blood-oxygen levels, most cannot also test for carbon monoxide.
In a study just published in Science Advances, the team tested a range of consumer devices to test the mettle of widely available satellite-positioning hardware within them.
They usually stop beforehand in Long Beach, Calif., Los Angeles or Seattle, where officers board with hand-held devices to test the public areas, the catwalks and crew.
Volunteer monitors in the past have included a school in the Bronx that equipped students' backpacks students with air sampling devices to test for levels of air pollutants like soot on their way to and from school.
