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EasyLog USB Logger, Temp Real-time (TW-USB-RT).


In Stock

Order now, ships today

In Stock

Order now, ships today

EasyLog USB Logger, Temp Real-time (TW-USB-RT).

  • Temperature, humidity, and dew point
  • Connects directly to PC via USB
  • LED alarm indication
  • No cables, dongles or docks
  • Free Software
  • TW-USB-RT logs to PC in real-time
  • No batteries; powered by USB port
  • Range to 140°F (60°C)

Our new USB Data Loggers are a cost-effective solution for logging temperature and humidity data just about anywhere.

With built-in alarm LEDs you'll know before you download that there has been a danger condition. Set the logging interval and the start time from the PC software and it's that easy. There are no cables, cradles, or dongles to keep track of.

Log in Real-Time
Select our TW-USB-RT and measure temperature directly to your PC in real-time. Store up to seven days of data with user-programmable alarm thresholds for both temperature and humidity.

Temperature, Humidity, Dewpoint
Environmental RangeTemp: 14 to 140°F (-10 to 60°C)
Humid: 0% to 100%
Measurement RangeTemp: 14 to 140°F (-10 to 60°C)
Humid: 0% to 100%
AccuracyTemp: ±3°F (±1.5°C);
Humid: ±4.5%
Dewpoint: ±5°F (±2.5°C)
Sample Rate1 second fixed
BatteryN/A - powered by USB port. Must remain connected.
ResolutionTemp: 1°F (0.5°C),
Humid: 0.5%
AlarmsHi/Low programmable
Alarm StatusEmail, text, audible PC alerts
MemoryStores 7 days to PC file
Logging StartReal time
IP Rating (water resistance)N/A
SoftwareWindows and Windows Emulators 

Visit our Help Center For more information and troubleshooting tips.

High accuracy models TW-USB-2+ and TW-USB-2-LCD+ with temperature accuracy to ±0.3°C, and humidity accuracy to ±2%RH.

Approved for immunization labs.

Plugs directly into USB port. No cables or adapter required. Software is included.

View data graphically or export to spreadsheet.

Plug any type K, J, or T thermocouple into the TW-USB-TC or TW-USB-TC-LCD logger.
Click here to order probes.

Rugged Metal Case
Fits TW-USB-1 or -2, watertight to IP67/NEMA-4X.

(NOTE: When using with the TW-USB-2 Temp/Humidity logger, measurements are limited to temperature only)

Click here to download the free software.

ThermoWorks EasyLog RT Software 

  • Simple operation
  • Set alarms and settings
  • PC/Windows based software
  • Real-time tracking on the PC

For use with TW-USB-RT data logger.  Will not work with updated Windows versions.