Vaisala USB Instrument (COM34) Driver

The Vaisala USB Instrument (COM34) driver enables Windows to recognize a connected Vaisala USB instrument and make its serial communication interface available to compatible software. It is intended for users who need to connect Vaisala measurement equipment to a PC, restore an unrecognized USB connection, or resolve a missing COM port.

Key Features

• USB-to-serial communication: Provides the connection software needs to exchange data with a compatible Vaisala instrument through a Windows COM port.
• Device recognition: Helps Windows identify the instrument correctly rather than displaying it as an unknown USB device.
• Application connectivity: Makes the assigned serial port available to compatible measurement, configuration, or data-logging applications.
• Windows support: Intended for supported installations of Windows 10, 8.1, 7, Vista, and XP. Check the package documentation for your instrument model and system architecture.

How to Install Vaisala USB Instrument (COM34) Driver

1. Check your system and instrument. Confirm your Windows version, whether it is 32-bit or 64-bit, and the exact Vaisala instrument or USB interface model. For Windows 10/11 systems, note that Windows 11 is not included in the supplied support list; verify compatibility before proceeding.

1. Choose the appropriate package. Before starting your Vaisala USB Instrument (COM34) driver download for Windows, confirm that the package supports your hardware and operating system. If a free download is offered, verify its source and authenticity rather than relying on the download label alone.

1. Prepare the files. Extract the downloaded archive if necessary and read any included instructions. Connect or disconnect the instrument as directed by the package documentation.

1. Install the driver. Run the supplied installer, using administrator permission if requested. If the package contains driver files without an installer, open Device Manager, locate the instrument, select Update driver, and browse to the extracted folder.

1. Verify the connection. Reconnect the instrument if needed, then check Device Manager under Ports (COM & LPT). Select the assigned COM port in your Vaisala-compatible application. Although the device name includes COM34, Windows may assign a different port number.

Keep the driver updated when Vaisala provides a compatible release that addresses your needs. Choose the latest version supported by both your instrument and operating system, review its release notes, and test communication after each update. A newer package is not necessarily suitable for older Windows installations.