What is a
Data Logger?
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Webinar:
Data Logger Basics

A data logger is a compact, battery-powered device equipped with an internal microprocessor, data storage, and one or more sensors or sensor ports. Data loggers can be deployed and left unattended in a variety of environments to record measurements at set intervals for up to years at a time. 

What are the different types of data loggers?

USB Data Loggers

For historical logging with manual offload

USB data loggers are compact, reusable, and portable, and offer low cost and easy setup and deployment. Internal-sensor models are used for monitoring at the logger location, while external-sensor models enable precise sensor placement and more measurements. USB loggers communicate with a computer via a USB interface, but for greater convenience, a data shuttle device can be used to offload data from the logger for transport back to a computer. Optional waterproof data shuttles are available for optical USB loggers used in submersible water monitoring applications.

Bluetooth-enabled Data Loggers

For historical logging with Bluetooth data offload or connection through a gateway to the internet

Bluetooth-enabled data loggers are also compact, reusable, portable, easy to set up and deploy, and offer the added benefit of wireless data transmission to mobile devices or laptops within a 100-foot range. Particularly useful for monitoring hard-to-reach or limited-access areas, users can download data, view data in graphs, check the logger’s operational status, share data files, and store data in the cloud.

Web-based Systems

For real-time data access via the internet, from anywhere, plus alarm notifications

Web-based data logging systems provide remote, around-the-clock, internet-based access to data via cellular, Wi-Fi, or Ethernet communications to the system. These systems, which can be configured with a variety of external plug-in sensors and/or wireless sensors, transmit collected data to a secure web server where users can view or retrieve data. Users can also reconfigure system settings remotely and get automatic text/email alarm notifications when conditions reach critical levels.

 
 

Where are data loggers used?

Data loggers are used in a broad range of environments, including indoors, outdoors, in water, and in transit – essentially anywhere data is needed, and the convenience of battery power is preferred.


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Basic steps for using a USB or Bluetooth-enabled data logger

1
Download & install software on mobile device or computer
2
Connect to data logger and set launch parameters
3
Place in chosen location. Record data for desired period of time
4
Reconnect to data logger via mobile device or computer
5
Download data file and view with analysis software

Basic steps for using a web-based system

1
Set up cloud-based software and register the data logging station
2
Mount device on location, add optional modules, connect power
3
Check or configure device communications
4
Add plug-in and/or wireless sensors and/or other optional devices
5
Connect to cloud-based software, configure station, and start logging