Level Switches
Tanks often use level switches to monitor and maintain liquid levels, prevent overflows, and signal alarms when liquid levels reach critical points. For liquids, a float switch is a tried-and-true approach, moving up and down with the liquid to provide a simple, reliable signal. Yet, some industrial applications—especially those involving very large tanks or very high liquid level set points—use more advanced methods to provide a signal when the liquid level reaches a certain height. These methods tend to use electronics and don't involve moving parts. They are ideal in environments where vibration, high temperature, or corrosive materials would tend to make a reliable moving part an unreliable choice over time.
In contrast, we frequently employ liquid level switches in hazardous environments. They provide reliable level detection and monitoring control for bulk materials or process fluids in dangerous working conditions. Even in these risky situations, we can count on them. The switches connect electrically to our control systems. We can use them in remote situations and in automated systems. They are also a cheap solution to a sophisticated problem, and they work well with both conductive and non-conductive liquids and with bulk materials like powders or grains.
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