How An Industrial Service Provider Modernized Their Filtration Systems with RAKwireless IoT and LoRaWAN®

Denitsa Prodanova

July 21, 2023 • 6 min read

Company profile

Innovisory, a UK-based IoT engineering firm, delivers comprehensive, full-stack IoT solutions tailored for industrial and commercial automation. From hardware and firmware to software and cloud integration, Innovisory empowers clients with secure, low-power, and scalable systems. Specializing in end-to-end product development, the company enables real-time data insights and seamless operations, transforming how businesses leverage IoT technology across industries.

Problem Statement

Imagine running a service business across the country where your technicians drive hundreds of miles each month just to check if an air filter might need changing. That’s exactly what the UK-based air filtration company was doing. They specialized in maintaining industrial air filtration systems. Their job was to install, service, and replace panel filters in factories all over the UK. However, there was one big problem. They had no way of knowing if a filter actually needed changing until someone showed up in person to check it. There were no sensors, no alerts, and no data to rely on.

Solution

In 2021, the air filtration company approached Innovisory with a simple question: "Can we build a system that tells us when a filter really needs to be changed—before it becomes a problem?" Innovisory said yes! In fact, they were ready with a smart and practical solution that could transform the entire service model. They explored different hardware options to compare features, performance, and long-term reliability. After careful testing and review, they made a confident choice and picked RAKwireless to power the new system. This partnership marked the beginning of something big. Here’s what they built, step by step:

	Component	What is it?	What does it do?	Why does it matter?
1	Smart Sensor Node	Based on the RAK3172 WisDuo module.	Supports up to 3 differential pressure sensors and shows live data on an LCD screen.	Allows technicians to read filter status on-site without needing extra equipment.
2	RAK7268V2 Gateways	Installed in factories across the UK.	Uses LTE or Ethernet to send sensor data to the cloud.	Ensures a reliable connection across multiple factory locations.
3	AWS IoT Core for LoRaWAN	The cloud backend that powers communication.	Fully connected to a custom-built dashboard.	Stores, processes, and displays data while enabling real-time alerts and remote configuration.
4	Custom Dashboard	Web interface integrated with AWS backend.	Let's teams visualize filter health, get alerts, and change settings remotely.	Helps reduce on-site visits and gives full visibility into system performance.
5	Ultra-Low Power Nodes	Built with energy efficient design.	Each node can run on battery for up to 4 years.	Saves time and cost on battery changes while keeping the system dependable in remote areas.

Outcome

Fast forward to today, and the system is now live at over 30 industrial sites across the UK. More than 400 smart sensor nodes are working nonstop to monitor air filters in real time. The results have been clear and impressive. Here are the tangible benefits they gained from this transformation:

Real-time visibility of air systems across all locations.
Automated fault alerts before issues escalate.
Reduced field service costs by cutting unnecessary visits.
Less waste by replacing filters only when truly needed.
Increased client satisfaction through our proactive service.
Auto-generated reports for clients via the dashboard.

With solid results and proven performance across more than 30 industrial sites in the UK, the team at Innovisory is now preparing to take their solution global. Their expansion plans are already underway in Germany, Australia, New Zealand, and the USA, and each region brings its own opportunities and technical requirements. Through each phase of expansion, the RAK module remains at the core of the product. Our flexibility across frequency bands, consistent reliability, and global compliance make us the ideal hardware for scaling across borders.