10 Best Oil Tank Gauges 2025 in the United States

The Smart Oil Gauge is a Wi-Fi-enabled device that allows you to effortlessly monitor your heating oil tank levels from anywhere using your smartphone. This feature makes it particularly appealing for those who want to avoid frequent trips to check their tanks, especially if they are busy or away. You'll receive low-level alerts via text or email when your oil reaches critical capacities, which can help you prevent running out of oil unexpectedly during cold months. This gauge is designed to fit a variety of standard steel tanks, making it versatile for different setups, whether vertical, horizontal, or cylindrical.

One of the standout features is the ability to track your oil consumption patterns, helping you make informed decisions to optimize your energy usage and potentially reduce heating costs. Additionally, installation is made easy with instructional videos and customer support, which is a plus for users who may not be very handy. The Smart Oil Gauge is an excellent choice for those looking for convenience and insights into their heating oil usage, especially for above-ground tank owners. It offers great remote monitoring capabilities, but users should ensure compatibility with their specific tank type and consider their internet reliability before purchasing.

The OEM 7000 Wireless Fuel Level Monitor is designed to make monitoring your oil tank level easier and more convenient. One of the standout features is its wireless ultrasonic technology, which allows for installation without the hassle of running wires. The kit includes everything you need, including a receiver and transmitter, making installation straightforward even for those who may not be particularly tech-savvy. With a range of up to 150 feet, you can place the receiver in a location that suits you, ensuring you can easily check your oil levels from a distance.

In terms of functionality, the monitor provides both visual and audible alerts when your oil levels are running low, which can prevent unexpected outages. Additionally, the ability to set up multiple receivers for one transmitter adds flexibility, making it a practical choice for larger properties with more than one oil tank.

There are some drawbacks to consider. While the device claims to have good accuracy, the performance can vary based on environmental factors and the positioning of the transmitter. Some users may experience occasional connectivity issues, especially if there are obstacles between the transmitter and receiver. Additionally, while it is lightweight and compact, it's important to ensure it fits well within your tank setup, as its dimensions may not suit all installations perfectly. The monitor's compatibility is generally good for standard oil tanks, but users should always double-check specifications to avoid compatibility issues. Finally, since it runs without batteries, ongoing maintenance is minimal, but keep in mind that any electronic device can require troubleshooting at some point.

The BJE 007600 Black Knight liquid level gauge is a solid choice for anyone needing a reliable way to monitor liquid levels in various tanks, especially for oil and other low flash point liquids. One of its standout features is its compatibility with multiple liquids, including waste oil, diesel fuel, and antifreeze, making it versatile for different applications. The gauge is designed for tanks up to 99 inches, which is impressive and should meet the needs of most users in residential or light industrial settings.

Installation is user-friendly, with a straightforward setup process thanks to its 2-inch NPTF tank fitting. This ease of installation can be particularly beneficial for those who may not have extensive technical skills. The oversized floats along with the swivel assembly contribute to better accuracy in level readings, ensuring users can depend on this gauge for reliable measurements.

There are some drawbacks to consider. While the direct drive mechanism and nickel-plated brass chain offer durability, the gauge might not provide the high-tech features seen in more advanced electronic gauges, such as digital displays or remote monitoring capabilities. Those looking for a more sophisticated monitoring solution may need to explore additional options. In terms of display and readability, the gauge is designed to be straightforward, but it doesn’t offer digital readouts, which can make it harder to read from a distance compared to digital displays. For those with larger installations or for operating in dim light conditions, this could be a downside.