There was a download of Single Module Data Viewer 1.1.6135.18005 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The following version: 1.1 is the most frequently downloaded one by the program users.
The program lies within System Utilities, more precisely Device Assistants. The Single Module Data Viewer installer is commonly called SMUSBVIEW.exe. This free tool was originally produced by RKI Instruments. We recommend checking the downloaded files with any free antivirus.
From the developer:
The SM-2001U and SM-2003U single module calibration stations provide charging, calibration, bump testing, and calibration and bump test records for the GX-2001 and GX-2003 gas detectors. They are designed to save the records to a USB flash drive.
You may want to check out more software, such as Miraplacid Data Viewer, Wisco DL2200 Data-Viewer or DATS-Viewer, which might be similar to Single Module Data Viewer.