Vaisala hmt120 - Connecting with a Computer

2. Open Devices and Printers from the Windowsâ Start menu. Use search to find it if
necessary (search for "devices").
3. Locate the cable in the list of devices:
• If the device is listed as Vaisala USB Device with a COM port number in brackets, the
cable is ready for use. Note the COM port number, you will need it later.
• If the device is listed as Vaisala USB Instrument Cable without a COM port number
listed, you must install the driver manually.
4. To install the driver manually:
a. Disconnect the USB service cable from the computer.
b. Download the Vaisala USB driver at http://www.vaisala.com/software (select the
appropriate USB Instrument Driver Setup for your cable).
c. Run the USB driver installation program Vaisala USB Device Driver
Setup.exe. Accept the installation defaults.
d. Go back to and verify that the driver installation works as expected.
4.4
Connecting with a Computer
• Vaisala USB service cable (order code 219685)
• Computer with:
• Windows operating system
• Terminal application (for example PuTTy, available from http://
www.vaisala.com/software )
• Free USB port
• Driver for Vaisala USB service cable installed (available on the cable
installation media and at http://www.vaisala.com/software)
HMT120 User Guide M211244EN-C
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