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IoT Sensors

Lachlan McRitchie

Lachlan McRitchie

GM of Operations

Published 10 February 2026

IoT sensors are internet-connected devices attached to assets that continuously measure parameters such as temperature, vibration, fuel level or GPS position and transmit data to a central platform for monitoring and alerts.

IoT (Internet of Things) sensors are connected devices that collect and transmit data about an asset’s condition, environment, or usage in real-time. Common sensor types measure temperature, vibration, humidity, fuel levels, engine hours, pressure, and tilt. The data is transmitted wirelessly to a central platform for monitoring, alerting, and analysis.

Why it matters

IoT sensors provide continuous, objective data about asset condition and usage without relying on manual inspections or operator reports. This data enables condition-based and predictive maintenance, improves safety by detecting hazardous conditions early, and provides accurate utilisation metrics for fleet and equipment management. Sensor costs have dropped significantly, making IoT monitoring accessible for a wide range of asset types.

How MapTrack helps

MapTrack integrates with a range of IoT sensor platforms and hardware, feeding real-time condition data directly into asset records to trigger maintenance alerts and enrich reporting.

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Frequently asked questions

What types of IoT sensors are used in asset management?

Common sensor types include vibration sensors for rotating equipment, temperature sensors for cold chain or engine monitoring, fuel level sensors, run-time hour meters, humidity sensors for storage environments, and tilt or impact sensors for detecting rough handling. The choice depends on the asset type, its critical failure modes, and the value of the data relative to the sensor cost.

How do IoT sensors communicate data?

IoT sensors typically transmit data using cellular (4G/5G), LoRaWAN, Sigfox, Bluetooth, Wi-Fi, or satellite networks. The choice depends on range requirements, data volume, power availability, and deployment environment. Battery-powered sensors using LoRaWAN or cellular are popular for remote or mobile asset monitoring because they require no wired infrastructure.

Related terms

Predictive Maintenance

Predictive maintenance (PdM) uses real-time data from sensors, IoT devices, and analytics to forecast when an asset is likely to fail, enabling maintenance to be performed just before a breakdown occurs. Techniques include vibration analysis, oil analysis, thermal imaging, and machine-learning models trained on historical failure data. It represents the most advanced tier of proactive maintenance strategies.

Condition-Based Maintenance

Condition-based maintenance (CBM) is a strategy that triggers maintenance actions based on the actual measured condition of an asset rather than fixed time intervals. Condition indicators may include vibration levels, temperature, pressure, fluid analysis results, or visual inspections. It sits between simple preventive maintenance and fully predictive maintenance on the maturity spectrum.

OEM Telematics

OEM telematics refers to the factory-installed tracking and diagnostic systems built into vehicles, plant, and heavy equipment by the original equipment manufacturer. These systems collect and transmit data including GPS location, engine hours, fuel consumption, fault codes, idle time, and operating parameters. Major OEMs such as Caterpillar, Komatsu, John Deere, Volvo, and Hitachi each offer proprietary telematics platforms.

GPS Tracking

GPS (Global Positioning System) tracking uses satellite signals to determine and record the real-time geographic location of assets, vehicles, or equipment fitted with GPS receivers. Tracking data is transmitted to a central platform via cellular or satellite networks, providing continuous visibility of asset movements, routes, and dwell times. GPS tracking is fundamental to fleet management and high-value mobile asset monitoring.

Asset Tracking

Asset tracking is the process of monitoring the location, status, custody, and condition of physical assets throughout their lifecycle. It combines identification technologies (QR codes, barcodes, RFID, GPS) with software to maintain a real-time or near-real-time record of where assets are and who is responsible for them. Asset tracking applies to tools, equipment, plant, fleet, IT hardware, and any other tangible items of value.

Bluetooth Beacon

A Bluetooth beacon is a small, battery-powered device that periodically broadcasts a Bluetooth Low Energy (BLE) signal containing a unique identifier. Nearby receivers, such as smartphones, gateways, or dedicated readers, detect the signal and use it to determine the presence and approximate location of the beacon. In asset tracking, beacons are attached to tools, equipment, containers, or vehicles, and their signals are picked up by fixed gateways installed around a facility or by workers' mobile devices as they move through the space. The location of the asset is then estimated using techniques such as signal strength (RSSI) trilateration, angle of arrival, or simple zone-based proximity detection. BLE beacons are valued for their low power consumption (battery life of one to five years), small form factor, and low unit cost, making them practical for tagging large volumes of assets across warehouses, workshops, construction sites, hospitals, and offices. Beacon form factors include adhesive-backed discs, rugged industrial housings rated for dust and moisture exposure, and compact tags that attach to tools via zip ties or lanyards, ensuring a suitable option exists for virtually any asset type or operating environment.

Digital Twin

A digital twin is a virtual representation of a physical asset, system, or process that is continuously updated with real-time and historical data from sensors, inspections, maintenance records, and operational systems. The digital twin mirrors the current state and behaviour of its physical counterpart, enabling engineers, operators, and maintenance teams to monitor performance, simulate scenarios, predict failures, and optimise operations without physically interacting with the asset. Digital twins range in complexity from simple data models that aggregate sensor readings and maintenance history for a single piece of equipment to sophisticated, physics-based simulations of entire facilities or infrastructure networks. The concept originated in aerospace and manufacturing but is now applied across industries including mining, energy, transport, construction, and facility management. At its simplest, a digital twin can be thought of as a comprehensive, live asset record that goes beyond static data by incorporating real-time condition feeds, enabling the system to reflect the asset's current health rather than just its last known service state.

Cite this definition

Writing about this topic? You’re welcome to quote this definition. Here’s the wording to use so your readers can find the original.

IoT (Internet of Things) sensors are connected devices that collect and transmit data about an asset’s condition, environment, or usage in real-time.

Short attribution
MapTrack Glossary: IoT Sensors, https://www.maptrack.com/glossary/iot-sensors
Reference list
MapTrack. (2026). IoT Sensors [Glossary definition]. Retrieved from https://www.maptrack.com/glossary/iot-sensors

Free to reuse with credit under a Creative Commons Attribution 4.0 licence. If you’d rather link straight to it, the page is https://www.maptrack.com/glossary/iot-sensors.

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