Applications: WiSenMeshWAN® VW interface node is Compatible with all different brands & types of high quality Vibrating Wire sensors, therefore it can be applied in all different related monitoring projects. Examples of VW sensors: Strain Gauge; Displacement Transducers; Piezometers; Settlement Sensors; Pressure Cells; Load Cells. Suggested VW sensor supplier:
Casing and Painting Materials:  Aluminium-Alloy Die Castings 12 (Epoxy Polyester Powder Coating)
IP Rating:  >= IP66
Operating Temperature:  -40 to 85°C
Fire Proof:  Approved
Certificates:  CE, FCC, ACMA, RoHS, REACH
*Purchasable from Leica Geosystem     
  •   6A07/6A08 Type - WiSenMeshWAN® 1/4-Channel Vibrating Wire Interface Node
     Basics 6A07: 1 x VW Interface Node 6A08: 4 x VW Interface Node
    Battery Power Qty. x 1 (3.6V Lithium primary D-Cell ER34615) Qty. x 2 (3.6V Lithium primary D-Cell ER34615)
    Accuracy Stop Voltage 2.7VDC
    Mesh Stop Voltage 2.1VDC
    Battery Connection Standard Aluminium Battery Holder
    Working Current (DC) Max. 60mA (Typ. 48mA)
    Local Storage Min. 450 Messages during Meshing
    L x W x H 100 x 100 x 60mm 180 x 140 x 60mm 
    Weight 0.60kg  
    External Sensor Size and Weight

    Depending on the specific VW sensor connected

    (external cable length ≤ 1.1km)
    Cable Gland Qty. 1 x EMC-CMA12 for external VW sensor connection Qty. 4 x EMC-CMA12 for external VW sensor connections
    Wire Connection Spring type wiring terminal
      Externally Connected VW Sensor
    Sensor Type Vibrating Wire Typed
    No. of Inputs 1 Channel 4 Channels
    Sensor Connection

    VW Type of 5 wires: VW+, VW-, T+, T-, GND.

    Note: Temperature wires (or a 3kΩ resistor) must be connected to the T+ & T- terminals

    so VW node can work properly; Ground wire between a node and a sensor must be connected.

    Parameter Resonant Frequency (Hz)
    Range 400 to 6000Hz
    Accuracy 0.015% at Any Reading
    Sensitivity 0.002Hz@400Hz or 0.05Hz@6000Hz
      External Thermistor Sensor
    Parameter Thermistor Resistor of 3kΩ @25°C
    Range 0.052kΩ to 113.096 kΩ
    Accuracy 0.12kΩ or 2°C
      Standard System Parameter
    Temperature Range: -40 to 85°C; Accuracy: ±1°C, typical 0.5°C; Resolution: 0.1°C
    Voltage Accuracy: ± 0.1V
      WSN Interface
    Mesh Wireless Interface WiSenMeshWAN® Protocol
      Product 2D Show
      For Installation Brackets, please refer to


  • Common Information

    Type Specific

    Product Calibration Certificate: Downloadable from WiSen® Visualisation Platform, under /Download & Upload/Calibration & Document & Software/Calibration.
    Note: Every unit from WiSen has been fully electrically tested, calibrated, radio verified and mesh examined while individual calibration certificate is issued before shipped to our global customers.
  • FCC

    ACMA Certified



  • Common Software

    Leica GeoMos Specific

    Note: Downloadable from WiSen® Visualisation Platform, under /Download & Upload/Calibration & Document & Software/Software.
    WiSen® Firmware upgrade via WiSen Program Lead;
    WiSen® SD Data download or rescue from in a unit with SD card storage;
    WiSen® Standard Serial Port Monitoring Data communication via a gateway on a Windows PC;
    Please refer to "Technical Document" for instructions.
    WiSen Downloader Installer v1.2.0.msi: Software to integrate Wisen data into Leica GeoMoS.

6A07/6A08 Type - 1/4-Channel Vibrating Wire Interface Node

WiSenMeshWAN® Product @ 915, 868, 433MHz Radio Frequency