IoT Data Loggers -The Hawk Pro Data Logger

A scalable data acquisition system for reliable, real-world monitoring

Smarter, More Reliable Data Acquisition

Build a smarter IoT sensor monitoring solution with our integration-ready IoT Data Logger. The Hawk is Digital Matter’s robust, plug-and-play IoT data logger and sensor hub designed for cellular LTE-M and NB-IoT networks, enabling long-term, low-power deployments in remote and demanding environments.

Purpose-built as a flexible data acquisition system, the Hawk supports a wide range of sensor integrations, making it easy to capture, transmit, and manage critical data across industrial, environmental, agricultural, and utility applications. With secure connectivity, configurable inputs and outputs, and ultra-low power consumption, the Hawk delivers dependable performance wherever data matters most.

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IoT Data Logger Solutions for Every Application

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Tank Level and Quality Monitoring

Manage tank levels and quality through wireless IoT sensor monitoring to gain real-time visibility into fluid levels, temperature, and pressure. Accurate monitoring helps prevent overfilling or underfilling, reducing the risk of spills, environmental incidents, and equipment damage across fuel, water, chemical, and agricultural storage applications.

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Weather Stations

Collect weather information using an IoT data logger to build smarter, more efficient weather stations. Capture real-time data on temperature, humidity, rainfall, wind speed and direction, atmospheric pressure, cloud cover, and more, enabling informed decision-making for agriculture, infrastructure, research, and environmental monitoring.

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Water Management and Metering

Improve water management and metering through reliable IoT sensor monitoring. Monitor usage patterns, detect leaks, and ensure adequate water supplies are available during periods of peak demand, drought, or emergency response, supporting smarter resource planning and sustainability initiatives.

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Remote Pump Management

Efficiently monitor and manage geographically dispersed pumps using the Hawk IoT data logger. Gain visibility into pump status, performance, and run hours, enabling predictive maintenance, reduced downtime, and centralized oversight of remote pumping infrastructure.

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Soil Moisture and Quality Monitoring

Monitor soil moisture and quality to optimize irrigation schedules, reduce water waste, and improve crop yield. IoT sensor monitoring provides actionable insights into soil conditions, helping growers make informed decisions about when to irrigate, when to conserve water, and how to improve long-term soil health.

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Pulse Counting

Deploy IoT sensor monitoring devices for pulse counting applications to accurately measure and log events such as water flow, energy usage, or equipment cycles. This enables precise tracking of consumption, throughput, and operational activity across utilities, agriculture, and industrial environments.

The Flexibility to Build What You Need

Step 1: Choose Your Sensors

The versatile Hawk architecture supports plug-and-play I/O Cards that define the 9 inputs/outputs, offering limitless options for interfacing to sensors.

Step 2: Choose Your Power

Power the Hawk using a large internal rechargeable LiPo battery, external power sources including solar, or two D-cell Lithium Thionyl Chloride (LTC) batteries for long-term, low-maintenance deployments.

Step 3: Choose Your Housing

Select from Digital Matter’s ultra-rugged Hawk housing options, engineered for harsh environments, or integrate the device into a custom enclosure tailored to your application.

Step 4: Choose Your Endpoint

Securely send data to any end platform using TCP Direct, MQTT connector, or HTTPS Webhooks, ensuring seamless integration with your preferred cloud platform, analytics tools, or internal systems.

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Hawk Pro Data Logger

The Hawk Pro is a robust plug-and-play IoT data logger and sensor hub that supports an extensive range of sensor integrations.

  • Flexible I/O architecture offers near-limitless sensor integrations
  • Integrates with Bluetooth®, SDI-12, 1-Wire, 4-20mA,RS-485, RS-232, Analog Inputs, Digital Inputs, Pulse Counting, Switched Power and more
  • Available in several power and housing variations
  • Cellular LTE-M (Cat-M1) and NB-IoT Connectivity

 

IoT Data Logger Device Features

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Multiple Power Options

Power with a large internal rechargeable LiPo battery, external power including solar, or 2 x D Cell LTC batteries. Our IoT Data Logger can also supply power to external sensors. 

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Powerful Task Management

Powerful onboard task management allows you to schedule tasks or run tasks based on sensor thresholds and events, even when out of cellular coverage. 

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Ultra-Rugged

Ultra-rugged and waterproof IP68-rated device housings developed and tested to withstand rough environments, impact, fine dust, and brief submersion. 

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Inputs/Outputs

IoT Loggers cater for plug-and-play I/O Cards that define the 9 inputs/outputs, offering limitless options for interfacing to sensors. 

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GORE® Vent

Allows for pressure equalization while protecting against water and dust ingress.

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Voltage Monitoring

LiPo battery and external voltage readings for “Battery Low” and “Power Loss” alerts 

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Flexible Configuration

Configure sensor and position update rates, task management scheduling, and more.

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Onboard GPS

Onboard GPS to quickly and easily keep track of deployment locations. 

Take Control of Device Performance

Access a comprehensive library of configuration parameters to fine-tune how your IoT data logger captures, stores, and transmits data across applications. Control logging intervals, sensor sampling rates, event triggers, I/O behavior, and more, or work with our engineers to build a fully custom data logging solution.

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Send Data Anywhere with Integration and API Control

Securely send collected data from your connected devices to your end platform of choice through HTTPS, TCP, or MQTT, including delivery to multiple endpoints simultaneously. Use a comprehensive API to automate device control, provisioning, and performance monitoring, while accessing historical data to enhance visibility and support smarter business decisions across your operations.


Partner with the Leaders in IoT Asset Tracking

Digital Matter works with solution providers, system integrators, and enterprises to enable scalable, reliable asset tracking deployments worldwide.

Our GPS tracking hardware is engineered for long-term performance, flexibility, and ease of integration, supported by a partnership model focused on technical enablement and shared success.

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Discover how our partners are innovating with Digital Matter asset tracking solutions across industries, use cases and regions.

IoT Data Logger and Data Storage FAQs

 

What is an IoT data logger used for?

An IoT data logger records data from connected measurement sensors over a defined monitoring period, providing remote visibility into environmental and operational conditions. It functions as a modern data recorder, automatically capturing and transmitting readings without manual intervention.

How is data stored on the device?

Devices include internal memory that securely holds stored data when connectivity is temporarily unavailable. Once a connection is restored, the collected data is transmitted automatically to the configured endpoint.

Do data loggers all work the same way?

No. Data loggers vary widely depending on sensor support, power requirements, connectivity, and firmware capabilities. Digital Matter’s Hawk is designed for flexibility across industries and integrates easily with modern operating systems and cloud platforms.

Can data loggers support cold chain monitoring?

Yes. When paired with temperature sensors, IoT data loggers are ideal for cold chain monitoring, helping ensure products remain within required temperature thresholds during storage and transport.

What happens if power is interrupted?

The Hawk is battery-backed, ensuring uninterrupted operation and continuous ability to log data even during power loss or remote deployments where external power is unreliable.

Technical Help

Explore our knowledge base for getting started guides, technical documentation, certifications, and more.


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