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Records and instantly displays trends for temperature, humidity, and dewpoint. Monitor real time measurements, and download over 40,000 data points to your PC. Each logger includes Windows® based software, with manual on CD, 3' USB cable and battery.


  • 30 character user ID field
  • Battery level indicator
  • Compatible with Windows® 2000, XP, Vista and Windows® 7/8 & 10. 32 and 64 bit systems
  • Data exportable to text or Excel® files
  • Graph Display shows trends in measurements, with a scrolling feature
  • Internal Sensors
  • Memory rollover, or stop on memory full
  • Password protected, user selectable single point offset calibration available through software
  • Recording Start, on button, immediate after setup, or user specified date & time
  • System requirements: 5MB free disk space, 800 x 600 screen resolution, 1 free USB port
  • Text Display for real time temperature, humidity, and dewpoint. Logging summary, sample rate, memory used, and memory remaining.
  • Three AA batteries (included)
  • USB cable & Software INCLUDED
  • User selectable sample intervals, 1 second to 9 hours.
  • Visual alarm indicators (over & under) for temperature and humidity
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Operating Temperature: 15°F to 150°F (-10°C to 65°C)
Storage Temperature: -5°F to 160°F (-20° to 70°C)
Temperature Accuracy: ± 1°F (0.5°C)
Humidity Range: 0% to 90% Non-condensing
Humidity Accuracy: ± 2% RH, 10% to 90%RH
Medical Storage
Wine Storage
Commercial refrigeration
Refrigerators / Freezers
SDS Product Sheets Cross Reference Information
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Manuals Application Sheets Software

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No Accessories Available

My PC does not have a disc drive, how can I install the software?: Pick 'Downloads' tab. Select 'DVTH_swr_1501.exe' to download. (FR-French, SP-Spanish)
Is the software updated to Windows 10?: Yes.
Do the loggers have a recommended calibration interval?: We do not have a recommended calibration interval. Calibration can be performed through the software at any time.
Is there a manual for the Loggers?: The manual is built into the software. Open software, Click 'Help' on the Toolbar, then click 'Help Topics'. This is the manual.
How do I clear the logger data?: Logger data will be cleared upon starting a new logging session.
Can DV series loggers be used without the software?: No, all DV series loggers must be set up in the software, and data retrieved via the PC.