The phrase "a system that monitors" is correct and usable in written English.
You can use it when describing a system designed to observe or track certain activities or data.
Example: "The company has implemented a system that monitors employee productivity to ensure efficiency in the workplace."
Alternatives: "a system for tracking" or "a monitoring system".
In this article, a system that monitors health social media streams is described.
Biological augmentation and enhancements are coming – a tattoo that acts as a system that monitors the body, for example.
VaynerMedia asked: How might we develop a system that monitors changes in global shoreline and/or other ongoing effects of global warming?
We just need to make a closed-loop system — a system that monitors brain activity itself, just like we have thermostats that monitor room temperature.
It has been developing a system that monitors the steering wheel and pedals for lapses typical of the onset of sleep.
Other mutations include the radar, a system that monitors mentions of the housemates on the internet and then ranks their popularity accordingly – a sort of voyeuristic calculator powered by the soul of George Brandis.
In 543 consecutive patients enrolled in the TAMI-9 and GUSTO I studies, serial changes of the QT dispersion were analyzed in an attempt to predict the occurrence of VF with a system that monitored continuously the 12-lead ECG and stored it at least every 20 minutes.
It can travel around a house guided by an infrared beacon, acting as a security system that monitors movement and smoke.
The reporting system, which is financed in 17 states, tracks violent deaths, including suicides, and links data in a comprehensive system that monitors violent deaths in a way no existing program can.
Researchers at the University of California, San Diego (UCSD), have developed a diagnostic system that monitors Wi-Fi activity in a building and determines why traffic slows, signals dip, and laptops get kicked off the network.
Rentrak, a small Portland, Ore .software company, has developed a measurement system that monitors what catches the attention of these customers.
