The ability to easily read the instrument from a distance, usually the distance of the instrument from the operator can be considerable. Instrument position can be difficult and hazardous to get to particularly in a low-light environment.
The luminescent dial has a reflective pointer and two reflective clips on the dial rim. You decide where you want to set each reflective clip by setting minimum and maximum limits that allow for on the spot customisation. This remarkable easy solution permits anyone viewing the instrument from a distance to easily see if the process is operating within the designated limits: all you need is a flashlight.
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