General Category > Connected meters (SQM-LE/LU/LR/DL)

SQM Reader Pro 2 software released


Knightware is pleased to announce the release of SQM Reader Pro 2 software. SQM Reader Pro 2 reads sky darkness data from connected Sky Quality Meters automatically and continuously, displays and graphs data, stores data in files and transfers it to an FTP server and post processing scripts, batch files and programs. Readings can be submitted automatically to a live SQM Readings Map web page at

Readings may be stored in 2 data file formats, including the new Skyglow Observation Standard Format (see Skyglow Standard web page at  The standard format allows data to be shared with dark sky researchers around the world. Data files in both formats (plus Unihedron Device Manager format) may also be re-opened and processed with SQM Reader Pro 2 at a later time.

SQM Reader Pro 2 operates on Windows 8, 7, Vista and XP.  It supports reading SQM models LE (Ethernet), LU and LU-DL (USB) and LR (RS-232). It includes thorough documentation, online product support and online product updates. For full product description, please see .

Pricing and Availability
SQM Reader Pro is available by digital delivery ($50) and on CD ($58.95) directly from Knightware at


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