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4-Channel Analog Data Logger


The HOBO UX120-006M Analog Data Logger is a high-performance, LCD display data logger for building performance monitoring applications. As Onset’s highest-accuracy data logger, it provides twice the a..

  • Brands Onset
  • Product Code: UX120-006M
  • Availability: 7-10 Days

Tags: data, logger, building, performance, monitoring, co2, compressed, air, flow, analog

4-Channel Analog Data Logger

The HOBO UX120-006M Analog Data Logger is a high-performance, LCD display data logger for building performance monitoring applications. As Onset’s highest-accuracy data logger, it provides twice the accuracy of previous models, a deployment-friendly LCD, and flexible support up to four external sensors for measuring temperature, current, CO2, voltage, and more. The data logger is ideal for energy audits, building commissioning studies, equipment scheduling, and more.


Highlighted Features

  • Twice the accuracy over previous models with 16-bit resolution
  • Flexible support for a wide range of external sensors
  • LCD confirms logger operation and displays near real-time measurement data
  • Provides minimum, maximum, average and standard deviation logging options
  • On-screen alarms notify you when a sensor reading exceeds set thresholds
  • Stores 1.9 million measurements for longer deployments between offloads
  • Compatible with HOBOware and HOBOware Pro software for logger setup, graphing and analysis


In what environment does this data logger operate?

This data logger operates in an indoor environment.

What measurements does this data logger support?

The UX120-006M data logger supports the following measurements: 4-20mA, AC Current, AC Voltage, Air Velocity, Carbon Dioxide, Compressed Air Flow, DC Current, DC Voltage, Differential Pressure, Gauge Pressure, Kilowatts (kW), Temperature and Volatile Organic Comp.


For more information visit Onset


  • HOBO UX120-006M 4-Channel Analog Data Logger
  • Command™ strip
  • Double-sided tape
  • Hook & loop strap
  • Two AAA 1.5 V alkaline batteries


The following are associated resources for this product. In general users of this product can gain insight into its possible use by utilizing the resources below.


Upcoming Webinars & Courses

On-Demand Webinars

How-To Videos

Product Overview Videos

Informational Pages

Application Stories

Tech Notes

Self-Guided Training

Tips, Tricks, Methods for Industrial Data Logging Choosing the Right Temp/RH Data Logger to Meet Your Needs HOBOware Menus Explained Part 1 HOBO Data Logger UX100 series Tips on Buying a Data Logger Assessing “Building EQ” Data logger is shutting off prematurely Working with HOBO UX100 data loggers
  Data Logger Basics HOBOware Menus Explained Part 2   What is a Data Logger? Building Drydown: Documenting the Process with Ease Data loss and recovery  
  Tips for Selecting and Deploying Data Loggers for Building Performance Monitoring HOBOware Pro, secure mode and 21 CFR Part 11 compliance     Data Loggers Help Diagnose "Sick School" Drying a wet circuit board  
    How to Analyze Data in HOBOware - Statistics and Filters     Data Loggers Test Air Shipments of Oxygen Containers How often do temperature data loggers need recalibration and/or servicing?  
    How to automatically launch multiple HOBO USB data loggers     Using Data Loggers to Perform Environmental Monitoring Possibility of exposure to chemicals or chemical vapors  
    Visit Onset's YouTube Channel       Protecting data loggers from electrical discharge (ESD)  
            Stopping your data logger  
            A quick temp-accuracy check (ice bath)  
Download Type 4 MB (1.9 million measurements, maximum)
Environmental Rating (For Logger Used Outside of Rain Gauge) IP50
Full Memory Download Time approximately 1.5 minutes
LCD LCD is visible from 0° to 50°C (32° to 122°F); the LCD may react slowly or go blank in temperatures outside this range
Logger Accuracy 4-20mA ±0.001 mA ±0.2% of reading (w/CABLE-4-20MA) ±0.1 mV ±0.1% of reading (w/CABLE-2.5-STEREO) ±0.2 mV ±0.3% of reading (w/CABLE-ADAP5) ±0.4 mV ±0.3% of reading (w/ CABLE-ADAP10) ±1.0 mV ±0.3% of reading(w/ CABLE-ADAP24)
Logger Battery Life 1 year, typical with logging rate of 1 minute and sampling interval of 15 seconds or greater
Logger Battery Type Two AAA 1.5 V alkaline batteries, user replaceable
Logger CE The CE Marking identifies this product as complying with all relevant directives in the European Union (EU).
Logger Measurement Range 4-20mA (w/CABLE-4-20MA) 0 to 20.1 mA 0 to 2.5 V (w/CABLE-2.5-STEREO) 0 to 5 V (w/CABLE-ADAP5) 0 to 10 V (w/ CABLE-ADAP10) 0 to 24 V (w/ CABLE-ADAP24)
Logger Operating Range -20° to 70°C (-4° to 158°F); 0 to 95% RH (non-condensing);
Logger Resolution 0.3 µA 4-20mA (w/CABLE-4-20MA) 40 µV (w/CABLE-2.5-STEREO) 80 µV (w/CABLE-ADAP5) 160 µV (w/ CABLE-ADAP10) 384 µV (w/ CABLE-ADAP24)
Logger Size 10.8 x 5.41 x 2.54 cm (4.25 x 2.13 x 1 in.)
Logger Time Accuracy ±1 minute per month at 25°C (77°F), see Plot A
Logger Weight 107.5 g (3.79 oz)
Logging Modes Normal, burst, or statistics
Logging Rate 1 second to 18 hours, 12 minutes, 15 seconds
Memory Modes Wrap when full or stop when full
Restart Mode Push button
Start Modes Immediate, push button, date & time, or next interval
Stop Modes When memory full, push button, or date & time
Logger Operating Range
Launch/Readout 0° to 50°C (32° to 122°F) per USB specification