The official website is not a reliable source for the DT‑172 software. You will need to rely on the CD or the manual driver method described below.
The primary reason for "software not working" is using an outdated or incorrect version of the software. The DT-172 requires the specialized "HT Data Logger" software.
If you installed the software but the program says the logger is not connected, the culprit is the USB driver. The DT-172 uses a standard Silicon Labs chip to communicate over USB. Replacing the CEM-provided driver with the generic, updated version from the chip manufacturer usually fixes the problem instantly. Download the Latest CP210x Driver Go to the official . Search for CP210x USB to UART Bridge VCP Drivers .
Right-click the entry and select , then browse to the folder where the software was installed (typically C:\Program Files (x86)\Datalogger ). 2. Power and Hardware Reset cem dt172 data logger software download fix
Windows will install the updated, digitally signed driver. The yellow triangle should disappear, and a specific COM port number (e.g., COM3) will be assigned. Step 3: Configure Windows Compatibility Settings
Do not use random "driver download" websites—they often contain malware. Here are the safe sources:
: Right-click the desktop shortcut for the data logger software and select Properties . Go to the Compatibility tab. Check the box for Run this program in compatibility mode for and select Windows 7 . The official website is not a reliable source
The software is generally compatible with Windows versions from XP up to Windows 10/11.
Download * Manuals. Elma_Manual_Elma_Elma_DT172__DK_NO_SE_EN.pdf. * Software. Elma_Software_Elma_Elma_DT172_V.1.9.2_EN.zip. elma-instruments.com DT-172/172TK
I can provide highly specific steps to get your data downloaded successfully. Share public link The DT-172 requires the specialized "HT Data Logger"
Look for a yellow warning triangle. It will usually appear under or Other Devices as CP2102 USB to UART Bridge Controller . Right-click the device and select Update driver . Choose Browse my computer for drivers .
Some retail sites like DNS-Shop also host driver packages specifically for Windows compatibility . 🛠️ Common Fixes for "Device Not Found"
The primary complaint regarding the DT-172 is not the device itself, but the accessibility of the analysis software.
If you are currently stuck with a DT-172 that your computer cannot detect, here is the breakdown of the solution.