USB Temperature & Humidity
Data Loggers

 

Temperature, humidity, and dew point loggers
NEW! SST model logs to 257°F (125°C)
NEW! High accuracy models (TW-USB-2+, TW-USB-2-LCD+)
Store up to 32,000 readings
Connects directly to PC via USB
LED alarm indication
No cables, dongles or docks
Software included
TW-USB-RT logs to PC in real-time
TW-USB-2-LCD approved for immunization labs

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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.

NEW LCD Display Loggers (-LCD in part number)
Keep visual track of your data with our new LCD data loggers for temperature and humidity. Their high contrast LCDs show Min, Max and current readings for both parameters. The display can be shut down during the log to extend battery life while allowing the user to periodically view the displayed readings.

NEW 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.

Connect an External Probe
Connect any type K thermocouple to our TW-USB-TC or TW-USB-TC-LCD loggers and record temperatures to 2000°F depending on the probe selected. Log temperatures in ovens, freezers, and industrial equipment with one of our high temperature thermocouples.

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. The Windows software can send email and text alerts and alert audibly via the PC's internal speaker.

Waterproof Applications
With an IP 67 rating, our TW-USB-1, TW-USB-1-PRO, TW-USB-2, and 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. Choose a ruggedized logger (TW-USB-1-PRO or TW-USB-1-RCG) with SST housing for maximum durability.

USB Data Loggers
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USB Temperature Loggers

TW-USB-1 / TW-USB-1-LCD

  • -LCD model includes display
  • IP67 waterproof rating
  • Connects directly to PC via USB
  • LED alarm indication
  • No cables, dongles or docks
  • Software included

More Info

Range: -31 to 176°F (-35 to 80°C)

Accuracy: to ±1°F (±0.5°C)

More Specs

°C/°F SwitchableMax/MinUSBAlarmIP Rating

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USB Ruggedized Temperature Loggers

TW-USB-1-PRO / TW-USB-1-RCG

  • SST rugged enclosure
  • -RCG model includes rechargeable battery
  • Connects directly to PC via USB
  • LED alarm indication
  • No cables, dongles or docks
  • Software included

More Info

Range: USB-1-PRO: -40 to 257°F (-40 to 125°C)
USB-1-RCG: -4 to 140°F (-20 to 60°C)

Accuracy: ±0.4°F (±0.2°C) from 32 to 104°F (0 to 40°C), otherwise ±0.9°F (±0.5°C)

More Specs

°C/°F SwitchableMax/MinUSBAlarmIP Rating

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USB temp & humidity loggers

Model: TW-USB-2 / TW-USB-2-LCD / TW-USB-2+ / TW-USB-2-LCD+

  • -LCD models include display
  • Temp, humidity and dew point
  • (+) models with higher accuracy
  • Connects directly to PC via USB
  • LED alarm indication
  • No cables, dongles or docks
  • Software included

More Info

Range: -31 to 176°F (-35 to 80°C)
0 to 100% RH

Accuracy: to ±0.6°F (±0.3°C) to 2%RH

More Specs

°C/°F SwitchableMax/MinUSBAlarmMeasures Relative HumidityIP Rating

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USB Thermocouple Loggers

Model: TW-USB-TC /TW-USB-TC-LCD

  • Attach thermocouple probe for higher temp range
  • -LCD model includes display
  • Connects directly to PC via USB
  • LED alarm indication
  • No cables, dongles or docks
  • Software included

More Info

Range: -328 to 2462°F (-200 to 1350°C)

Accuracy: ±2°F (±1°C)

More Specs

°C/°F SwitchableMax/MinK ThermocouplesType TUSBAlarm

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USB LITE Temp Economy logger

TW-USB-LITE

  • Connects directly to PC via USB
  • LED alarm indication
  • No cables, dongles or docks
  • Software included
  • 1-month battery life
  • Low Cost

More Info

Range: 14 to 122°F (-10 to 50°C)

Accuracy: ±4.5°F (±2.5°C)

More Specs

°C/°F SwitchableMax/MinUSBAlarm

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USB Real-Time Temp & Humidity Logger

TW-USB-RT

  • Temperature, humidity, and dew point
  • Connects directly to PC via USB
  • LED alarm indication
  • No cables, dongles or docks
  • Software included
  • TW-USB-RT logs to PC in real-time

More Info

Range: 14 to 140°F (-10 to 60°C)

Accuracy: ±0.3°F (±1.5°C)
±4.5% RH
±5°F (±2.5°C) Dewpoint

More Specs

°C/°F SwitchableMax/MinUSBMeasures Relative HumidityAlarm

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USB Handheld Data Collector / Programmer

Model: TW-DATAPAD

  • Collects data from up to 500 loggers
  • View downloaded data
  • Allows quick setup of logger parameters
  • Stored data transfers to PC

Capacity: Data from 500 loggers

Download Datasheet


 

  TW-USB-1 /
TW-USB-1-LCD		 TW-USB-1-PRO Stainless Steel /
TW-USB-1-RCG Stainless Steel
Input Temperature
LCD Display (on LCD unit) 		Temperature
Operating Range -31°F to 176°F
(-35°C to 80°C)		 -40°F to 257°F (-40°C to 125°C) /
-4°F to 140°F (-20°C to 60°C)
Measurement Range -31°F to 176°F
(-35°C to 80°C)		 -40°F to 257°F (-40°C to 125°C) /
-4°F to 140°F (-20°C to 60°C)
Accuracy ±2°F (±1°C) ±0.4°F (±0.2°C) from 32 to 104°F (0 to 40°C), otherwise ±0.9°F (±0.5°C)
Sample Rate User selectable 10s to 12h User selectable 1s to 12h
Battery 3.6V 1/2AA/ 3-6 months typical 3.6V 2/3AA/ 3-6 months typical /
3.6V 1/2AA/ 3-6 months typical
Resolution 1°F (0.5°C) 0.2°F (0.1°C)
Alarms Hi/Low programmable Hi/Low programmable
Alarm Status Red/Green LED Red/Green LED
Interface USB USB
Memory 16,328 readings 32,510 readings
Logging Start Delay or immediate Delay or immediate
IP Rating
(water resistance)		 IP67 IP67
Software Windows 98, 2000, XP, Vista, 7 Windows 98, 2000, XP, Vista, 7

 

  TW-USB-2 /
TW-USB-2-LCD		 TW-USB-2+ /
TW-USB-2-LCD+
Input Temperature, Humidity, Dewpoint;
LCD Display (on LCD unit) 		High-Accuracy Sensor—
Temperature, Humidity, Dewpoint;
LCD Display (on LCD unit)
Operating Range Temp: -31°F to 176°F
(-35°C to 80°C)
Humid: 0% to 100%		 Temp: -31°F to 176°F
(-35°C to 80°C)
Humid: 0% to 100%
Measurement Range Temp: -31°F to 176°F (-35°C to 80°C)
Humid: 0% to 100%		 Temp: -31°F to 176°F (-35°C to 80°C)
Humid: 0% to 100%
Accuracy Temp: ±1°F (±0.5°C);
Humid: ±3%
Dewpoint: ±2°F (±1.1°C)		 Temp: ±0.6°F (±0.3°C);
Humid: ±2%
Dewpoint: ±2°F (±1.1°C)
Sample Rate User selectable 10s to 12h User selectable 10s to 12h
Battery 3.6V 1/2AA/ 3-6 months typical 3.6V 1/2AA/
3-6 months typical
Resolution Temp: 1°F (0.5°C),
Humid: 0.5%		 Temp: 1°F (0.5°C),
Humid: 0.5%
Alarms Hi/Low programmable for both Hi/Low programmable for both
Alarm Status Red/Green LED Red/Green LED
Interface USB USB
Memory 16,328 readings per channel 16,328 readings per channel
Logging Start Delay or immediate, and push-button on LCD unit Delay or immediate, and push-button on LCD unit
IP Rating
(water resistance)		 IP67
(TW-USB-2 only)		 IP67
(TW-USB-2+ only)
Software Windows 98, 2000, XP, Vista, 7 Windows 98, 2000, XP, Vista, 7

 

  TW-USB-TC /
TW-USB-TC-LCD 		TW-USB-LITE TW-USB-RT
Input Temperature: K, J, or
T Type Thermocouple;
LCD Display (on LCD unit) 		Temperature Real-time
Temperature, Humidity, Dewpoint
Operating Range 14°F to 104°F
(-10°C to 40°C)		 14°F to 122°F
(-10°C to 50°C)		 Temp:
+14°F to 140°F
(-10°C to 60°C)
Humid: 0% to 100%
Measurement Range -328°F to 2372°F
(-200°C to 1300°C) for
K type depending on thermocouple used.		 14°F to 122°F (-10°C to 50°C) Temp: +14°F to 140°F (-10°C to 60°C)
Humid: 0% to 100%
Accuracy ±2°F (±1°C) ±4.5°F (±2.5°C) Temp: ±3°F (±1.5°C);
Humid: ±4.5%
Dewpoint: ±5°F (±2.5°C)
Sample Rate User selectable
1s to 12h		 30 minute fixed 1 second fixed
Battery 3.6V 1/2AA/ 3-6 months typical CR1620/
1-month life		 N/A - powered by USB port. Must remain connected.
Resolution 1°F (0.5°C) 2°F (1°C) Temp: 1°F (0.5°C),
Humid: 0.5%
Alarms Hi/Low programmable Hi/Low programmable Hi/Low programmable
Alarm Status Red/Green LED Red/Green LED Email, text, audible PC alerts
Interface USB USB USB
Memory 32,510 4,080 readings Stores 7 days to PC file
Logging Start Delay or immediate, and push-button on LCD unit Delay or immediate Real time
IP Rating
(water resistance)		 N/A N/A N/A
Software Windows 98, 2000, XP, Vista, 7 Windows 98, 2000, XP, Vista, 7 Windows 98, 2000, XP, Vista, 7

PDFDownload USB Logger User Manual

More Info ImageMore Info ImageNEW! 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.

More Info ImagePlugs directly into USB port. No cables or adapter required. Software is included.

More Info ImageClick image to enlarge graph

View data graphically or export to spreadsheet.

Click here to download the EasyLogUSB software (v5.51).

Click here to download the EasyLog Real-Time software.
(For use with TW-USB-RT only)

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

More Info ImageRugged 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)

Cal Cert

NIST-Traceable Temperature Calibration

Model: CAL-2PT

  • 2-Point calibration
  • Traceable certificate
 2-point temperature calibration performed in ThermoWorks' NIST-Traceable calibration lab. Includes calibration report and actual test data.

Cal Cert

NIST-Traceable RH Calibration

Model: CAL-RH2PT

  • 2-Points: 30%, 60%
  • Lab calibration using certified RH sources
  • Single ambient temperature
 2-point humidity calibration performed in ThermoWork's NIST-Traceable calibration lab. Includes calibration report and actual test data. Includes a single temp at ambient.

Batteries

USB Handheld Data Collector / Programmer

Model: TW-DATAPAD

  • Collects data from up to 500 loggers
  • View downloaded data
  • Allows quick setup of logger parameters
  • Stored data transfers to PC

Capacity: Data from 500 loggers

Download Datasheet

To Order:

TW-USB-LITE Temperature Data Logger, Economy
TW-USB-1 Temperature Data Logger, IP67
TW-USB-1-LCD Temperature Data Logger with LCD
TW-USB-1-PRO Temperature Data Logger, Stainless Steel, IP67
TW-USB-1-RCG Rechargeable Temperature Data Logger, Stainless Steel, IP67
TW-USB-2 Relative Humidity & Temperature & Data Logger, IP67
TW-USB-2-LCD Relative Humidity & Temperature Data Logger with LCD
TW-USB-2+ High Accuracy Relative Humidity & Temperature & Data Logger (±0.3°C / 2%RH), IP67
TW-USB-2-LCD+ High Accuracy Relative Humidity & Temperature & Data Logger, (±0.3°C / 2%RH), with LCD
TW-USB-RT Relative Humidity & Temperature Data Logger, Real-time
TW-USB-TC Thermocouple Temperature Data Logger, Accepts Type K Probes
TW-USB-TC-LCD Thermocouple Temperature Data Logger with LCD, Accepts Type K Probes
TW-DATAPAD Handheld Data Collector / Programmer
TW-USB-CASE Rugged Metal Case. Fits TW-USB-1
839-100 Replacement battery SL350, 3.6V Lithium. 1/2 AA
BATT-2/3AA Replacement battery SL350, 3.6V Lithium, 2/3 AA (USB-1-PRO)
TW-BATT-3VX5 Replacement battery 3V, CR1620 (USB-LITE)

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