Pressure Monitor Alerts When Oxygen Levels Drop

Pressure Switch Monitors Fish Hatchery Oxygen Generator

The Presair pressure monitor became a useful tool for fish hatcheries. Our friends over at the Missouri Dept. of Conservation placed the alarm light under the eve of their hatchery building in a location that they can easily see. If there is a problem with the oxygen generator and the pressure drops, the light kicks on and alerts qualified personnel. Their resource technician states, “it has proven to be a very useful tool for our operation.”

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You can see in the below images, the hatchery ran air tubing from their oxygen generator to our Tinytrol pressure switch mounted on the wall. When pressure dropped in the oxygen generator the switch kicked the red light on mounted to the outside of the facility.

*It’s difficult to see, but the light is at the peak of the building.

Pressure Monitor Senses Oxygen Level        Pressure Monitor Mounted Outside Fish Hatchery Facility

The solution is rather straight forward. It’s a red stack light (also known as a signal tower) paired with a pressure switch. The pressure switch is then plumbed into the air line sensing the oxygen level. When air is not flowing, the light will kick on, alarming personnel.


Welcome to the perfect notification product for monitoring pressure! This simple external solution features a light (optional audible alarm) that’s designed to grab the attention of qualified personnel anytime pressure is rising too high or falling too low in a system. Prevent and fix issues before they cause significant downtime!

Presair’s pressure monitor is a simple, economical solution without all the complicated components of a programmable logical controller. Other pressure monitoring devices incur a high cost upwards of a thousand dollars or more. Organizations have quickly found the value of a pressure monitoring device.

For more information about the Presair pressure monitor or to purchase, visit our website

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