USB-Interface testo 175/177 (COM10) Driver

The USB-Interface testo 175/177 (COM10) driver enables Windows to recognize Testo’s USB interface and provides the communication link needed to work with compatible testo 175/177 data loggers. It is intended for users connecting their logging equipment to a PC for data transfer and use with compatible Testo software.

Key Features

• USB communication support: Helps Windows detect the interface so compatible software can communicate with connected logging equipment.
• COM port access: Supports the serial communication connection shown in Device Manager. Although this device is labeled COM10, Windows may assign a different port number on another computer.
• Support for listed Windows systems: Intended for use with Windows 10, 8.1, 7, Vista, and XP, subject to the requirements of the specific driver package.
• Connection troubleshooting: Installing the appropriate driver can resolve recognition problems caused by a missing or incorrectly installed driver.

How to Install USB-Interface testo 175/177 (COM10) Driver

1. Check your Windows system. Confirm your Windows version and whether it is 32-bit or 64-bit before selecting a package. For Windows 10/11 users, note that Windows 10 is listed as supported, while Windows 11 compatibility is not confirmed here.
2. Choose a compatible package. Before starting your USB-Interface testo 175/177 (COM10) driver download for Windows, review the available compatibility information. Choose a trusted free download, preferably supplied by Testo, and select the latest version that explicitly supports your system.
3. Prepare the files. Extract the downloaded archive if necessary and read any included instructions. Keep the USB interface disconnected until the installer or documentation tells you to connect it.
4. Install the driver. Run the supplied setup program and follow its prompts. If no installer is included, open Device Manager, locate the interface or unidentified device, select Update driver, and browse to the extracted driver folder.
5. Verify the connection. Connect the interface and check Device Manager for a recognized device without a warning symbol. Note the assigned COM port and select it in your compatible Testo application if required. Restart Windows if prompted.

Keep the driver updated when Testo provides a compatible release or recommends an update for a connection issue. Check the release notes before replacing a working installation: the latest version is useful only when it supports your interface, operating system, and software.