Soil Instruments VWlog2

The VWlog2 is a simple, rugged, low-power, 2 channel Datalogger which reads most commercially available geotechnical and structural Vibrating Wire (VW) sensors and optional thermistor temperature sensors. VWlog2 contains a large internal memory of 4MB, enabling storage of up to 50,000 readings per channel. The internal memory operates as a USB mass storage device which is accessible through a mini USB interface, allowing data to be easily transferred to a PC or mobile device via drag-and-drop. The included VWlog2 software, enables the user to easily setup the logger parameters, such as date and time, sweep frequency range and excitation voltage. VWlog2 is housed in a waterproof enclosure, providing a rating of IP66 and all electronics are encased in an impervious sealing compound to avoid water damage.

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  • Reads two Vibrating Wire (VW) sensors and combined thermistor temperature sensors
  • 4MB internal memory; reads up to 50,000 readings per channel, equating to 5 years of data sampling at hourly intervals
  • IP66 rated, rugged, die-cast aluminium enclosure
  • Low power requirement; 2 x D Cell batteries last up to two years
  • Easy configuration and firmware upgrade via mini-USB to USB cable
  • True USB interface; data downloaded via drag-and-drop
  • Reads with user definable frequency range (1700 to 6000 Hz)


  • Reads most types of commercially available Vibrating Wire (VW) sensors
  • Optional 15V excitation ensures quality readings from sensors with long cables
  • Ideal for long-term monitoring in harsh and damp environments
  • Allows data collection immediately after sensor installation
  • Fast setup and download time
  • Versatile and economical
  • All electronics sealed to protect from static and water damage


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