Remote Tank Level Monitoring

Storage tanks can be found in a wide variety of locations and environments, from indoor or outdoor installations to above or below ground. Properly monitoring and managing levels inside these tanks can help improve efficiency and increase productivity and profitability. Read this article to learn about the advantages of wireless tank level monitoring.


Choosing a Tank Level Monitoring Solution

There are a number of methods and tools that can be used to measure tank level.  From visual inspections to floats to ultrasonic sensors, there are many technologies to choose from that vary in terms of accuracy, reliability, and costs. 

Visual inspections and measuring sticks may be relatively inexpensive, but they are labor-intensive and prone to error because they rely on manual reporting methods. More accurate tools, like floats and submersible pressure transducers are not dependent on human labor to measure levels, which can simplify processes and minimize the risk of error.  However, in some applications, a non-contact solution is preferrable in order to avoid contaminating the contents of the tank.  In addition, prolonged contact with tank contents, for example in the case of viscous or caustic liquids, can degrade the performance and accuracy of these measurement tools. 

An ultrasonic sensor is a great choice for applications where a non-contact solution is needed. These sensors use sound waves to detect objects, so they do not need to come into contact with the materials they are measuring.  They are immune to target color, reflectivity, or transparency and are unaffected by light conditions. Ultrasonic sensors capable of a proportional anlog output enable greater measurement accuracy and are a preferred choice for these applications. 

3 Advantages of a Wireless Network

Wireless tank level monitoring can be a cost-effective solution and provide the real-time data and versatility to help businesses keep pace with change in the industry. Implementing a tank monitoring system that utilizes ultrasonic sensors in a wireless network has many advantages. Wireless systems can be setup quickly, cost-effectively, and without large commitments of human labor or changes to infrastructure. They are capable of monitoring many containers and can adapt to meet changing needs and scale to accommodate new containers.

The following are three of the biggest advantages of wireless tank monitoring systems. 

1. Save Time and Money on Installation

Compared to wired technologies, connecting level measurement tools in a wireless network is far more cost-effective.  The infrastructure changes required in a wireless system are minimal, and a wireless system is far easier to implement compared to a wired system. 

In a basic setup, a wireless node is connected to a measuring device, like a wireless ultrasonic sensor, and installed on the container.  Each node in the network is bound to a wireless gateway or controller with an integrated gateway. Next a site survey is conducted to verify the connection between the deployed nodes and the gateway.  The system is then configured, and inspection parameters and alarm thresholds are set. A system like this can monitor many containers and can be set up in a fraction of the time and at a much lower cost than a wired network. 

2. Improve Efficiency with Real-Time Monitoring and Alerts

With connected devices, asset managers can easily access tank level data in real time. improving both efficiency and productivity.  For example, with real time monitoring of remote containers, managers can strategically plan visits based on actual need instead of sending staff to a site based on forecasted expectations of container levels.  This saves time and costs while ensuring that tanks are full and processes are running smoothly.

In addition, automated alerts can be setup to notify staff of potential issues, minimizing the opportunities for emergency situations to develop.  Unexpected events can cause dramatic changes in tank fill levels.  For example, a dry tank can have negative consequences for equipment depending on the content of the container, and processes may be brought to an unplanned halt.  Meanwhile, overfill are wasteful, can damage equipment, and may have environmentla consequences.  A real-time remote monitoring system can alert personnel via text or email if tank levels are outside of the established thresholds.  This allows them to respond to these conditions before they become critical. 

In addition to real time alerts, tank level data can be logged and analyzed to help managers make more informed decisions about their assets, how they are used, when they should be serviced, and what staff and resources are needed to service them. 

3. Adapt to Changing Business Needs

Business needs can change over time and companies may need to add or move containers at a site to keep up with new demands.  Wireless networks are versatile, scalable, and adapt easily to changing requirements.  Containers can be moved as often as needed without altering the system or disconnecting the measuring device, which means containers can be monitred even while in transit.  New nodes from new containers can be integrated into the existing network, or a new network can be deployed to accommodate a new group of tanks without the time and labor commitments of altering a wired network. 


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