Which functional characteristic is essential for devices in an industrial setting?

In an industrial setting, the reliability and robustness of devices are critical functional characteristics. Devices used in such environments must endure harsh conditions, including temperature fluctuations, humidity, dust, and mechanical vibrations. A reliable device ensures that operations continue smoothly without unexpected failures, which can lead to significant downtime and financial losses. Additionally, robustness means that the device can withstand a certain level of stress and strain without failing. Therefore, a focus on reliability and robustness is paramount for devices in industries where operational continuity, safety, and performance are top priorities.

While compact and lightweight design can be beneficial in certain scenarios, it is not as universally essential as reliability. Open source compatibility might offer flexibility or customization in some systems, but it is not a fundamental requirement for all industrial applications. Basic computing power is necessary but varies according to specific tasks; thus, it does not universally qualify as an essential characteristic like reliability and robustness do.