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  • EasyLog USB Logger, Temp/Hum, High Accuracy (TW-USB-2+) (Add Accredited Cal with Item CAL-RH2PT)

EasyLog USB Logger, Temp/Hum, High Accuracy (TW-USB-2+) (Add Accredited Cal with Item CAL-RH2PT)

SKU: TW-USB-2+
$119.95

EasyLog USB Logger, Temp/Hum, High Accuracy (TW-USB-2+) (Add Accredited Cal with Item CAL-RH2PT)

  • High accuracy models (TW-USB-2+, TW-USB-2-LCD+)
  • Temperature, humidity, and dew point
  • Connects directly to PC via USB
  • LED alarm indication
  • No cables, dongles or docks
  • Software included
  • TW-USB-2+ and TW-USB-2-LCD+ approved for immunization labs

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.

  • High Accuracy Temperature and Humidity Loggers
    The TW-USB-2+ and TW-USB-2-LCD+ loggers feature high accuracy for temperature, humidity and dewpoint. New! Record critical temperature and humidity data with precision to ±0.6°F (±0.3°C) and ±2% RH.

    Waterproof Applications
    With an IP 67 rating, our TW-USB-2 & TW-USB-2+ loggers are water resistant and can log in the harshest environments. Store up to 16,382 readings at temperatures to 176°F.

  • Specifications
    TW-USB-2+ /
    TW-USB-2-LCD+
    Input High-Accuracy Sensor—
    Temperature, Humidity, Dewpoint;
    LCD Display (on LCD unit)
    Environmental RangeTemp: -31 to 176°F (-35 to 80°C)
    Humid: 0% to 100%
    Measurement RangeTemp: -31°F to 176°F (-35°C to 80°C)
    Humid: 0% to 100%
    Temperature Accuracy±0.6°F (±0.3°C) Typical from
    20-80% RH
    ±3.0°F (±1.5°C) Max;
    Humidity Accuracy±2% RH Typical from 20-80% RH
    ±4% RH Max
    Dewpoint: ±2°F (±1.1°C), 40 to 100% RH @ 77°F (25°C)
    Humidity ResponseApprox. 20 min _ ambient monitoring
    Up to 4 hours _ step changes*
    Sample RateUser selectable 10s to 12h
    Battery3.6V 1/2AA / 3-6 months typical, 1 year max**
    ResolutionTemp: 1°F (0.5°C), Humid: 0.5%
    AlarmsHi/Low programmable for both
    Alarm StatusRed/Green LED
    InterfaceUSB
    Memory16,328 readings per channel
    Logging StartDelay or immediate, and push-button on LCD unit
    IP Rating (water resistance)IP67 (TW-USB-2 & TW-USB-2+ only)
    SoftwareWindows 98, 2000, XP, Vista, 7, 10

    *Approx. 20 minutes to 90% of reading when tracking environmental changes. Up to 4 hours for step changes in humidity (for example if calibrating the product).

    **Battery life is affected by sample rate, ambient temperature and use of alarm LED.

  • Click here to download the free software.


    ThermoWorks EasyLog Software

    • Simple operation
    • Set alarms and settings
    • PC/Windows based software

    For use with EasyLog data loggers. Fast USB downloading and setup.  Export reports to Excel or review tables and graphs right in the software.   


  • 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)