Onset HOBO User Manual

Chapter 2: Using the logger
4 HOBO Energy Logger Pro User’s Guide
Chapter 2:
Using the logger
Before deploying the logger, read this chapter thoroughly and follow all of the procedures at least once. This will
ensure that you are comfortable enough with the logger and with HOBOware Pro software to get the most out of
your deployment. It will also verify that the logger is configured properly.
This chapter discusses the following logger usage topics:
a Assembly
a FlexSmart module configuration
a Launch and other operations
Tip: Many of these steps refer to HOBOware Pro features and commands. Refer to the HOBOware Pro User’s
Guide for detailed information about these functions.
Assembling the logger
The HOBO Energy Logger Pro is shipped partially assembled. You will need the following items to prepare the
logger for use:
• Eight 1.5V Alkaline Batteries and small Phillips head screwdriver (for battery door); or external power
source
• At least one of the following:
- FlexSmart modules with third-party sensors and miniature slotted screwdriver
- Smart Sensors
• Serial interface cable (plus USB serial adapter if your computer does not have a serial port)
• Computer running HOBOware Pro version 2.1.1 or greater

Onset HOBO Specifications

General

Battery Life	Depends on model. Typically 1 year, but can be several years depending on logging rate, parameters logged, and other factors.
Humidity Range	0% to 100% RH
Data Download	USB, Bluetooth
Logging Rate	1 second to 18 hours (configurable)
Dimensions	Varies by model. Check specific model specifications.
Weight	Varies by model. Check specific model specifications.
Waterproof	Yes (IP67 rated for some models)
Accuracy	±0.2°C (temperature), ±2.5% RH (humidity, varies by model)