SQM Reader Pro
The only software like it anywhere!
SQM Reader Pro for Windows gives you the tools you need to get the most from your Sky Quality Meter model LE, LU or LR. From initial setup of the meter, to nightly data collection, to enabling sophisticated statistical analysis, SQM Reader Pro makes understanding the darkness of your evening sky easy, accurate and convenient.
SQM Reader Pro uses your computer's Ethernet connection to communicate with the model LE, a USB port to communicate with the model LU, or a 9-pin serial port to communicate with the model LR. You can read the model LE over a network or use an Ethernet crossover cable to read the meter directly. You can read models LU or LR directly via the appropriate cable. SQM Reader Pro does not calibrate the SQM or alter its accuracy.
If you are an imager, a serious deep-sky observer, or you are conducting a dark sky study, SQM Reader Pro is for you.
Key Features
- on-demand or continuous automatic reading modes (screenshot)
- Find SQM-LU(s), Find SQM-LE(s) and Test Meter Connection functions help with setup (screenshot)
- suspend automatic reading during twilight and/or sun up at the meter
- displays darkness readings in magnitude per square arcsecond (MPSAS) and theoretical Naked Eye Limiting Magnitude (NELM)
- time-averaged readings are available
- calculates and displays minimum, maximum, mean and standard deviation for MPSAS and NELM per sampling period
- graphs one of MPSAS, NELM or a simple moving average of either value in real-time (screenshot)
- stores readings data in comma separated value (CSV) text file (screenshot)
- stores latest graphed data as a JPEG file
- stores latest readings values as a JPEG file
- sends selected file(s) to a program, script, batch file or remote FTP server (screenshot)
- permits adjustment for light loss at a meter enclosure
For more information, please consult the feature comparison matrix below, or consult the SQM Reader Pro User's Manual (669 kb, PDF format )
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CD or digital delivery |
Purchase NowPlease visit the Knightware Store to make your secure online purchase using PayPal or Google Checkout. Shipping is free. SQM Reader Pro has a 30 day money back guarantee (see policies).
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Feature Comparison Matrix
| Feature | SQM Reader | SQM Reader Pro |
| Reads SQM-LE, LU and LR on-demand or automatically |  |
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| Displays reading in mag/sq arcsec, NELM | |
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| Displays date & time of reading | |
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| Stores reading to CSV file | |
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| Suspends automatic reading during twilight and/or sun up | |
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| Displays graph of readings in real-time | |
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| Time-averages readings | |
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| Shows min, max, mean and standard deviation of readings | |
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| Stores graph as JPEG | |
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| Stores reading as JPEG | |
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| Sends data or JPEG files to a remote FTP server | |
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| Sends data or JPEG files to a program, script or batch file | |
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| Includes online Help and examples |
Hardware and software requirements:
You need the following hardware and operating system software to run the product:
- PC with Intel Pentium CPU or later (or a fully compatible and equivalent CPU)
- Windows 7, Vista, XP or 2000 including the latest Windows Updates from Microsoft
- Internet Explorer 5.5 or later (for HTML help)
- 128 MB RAM for Windows 2000 or XP, 512 MB RAM for Windows 7 or Vista
- installation requires about 6 MB of hard disk space
- SVGA or later video
- a pointing device (mouse) is recommended but not required
- Internet connection is recommended but not required
- Ethernet port and cable, or wireless NIC, is required for communication with the SQM-LE
- USB port and cable are required to communicate with the SQM-LU
- 9-pin serial port and cable are required to communicate with SQM-LR
This product has been tested with 32 & 64 bit editions of Windows 7, and 32 bit editions of Vista Home Premium SP2, XP SP3 and 2000 SP4.
Sky Quality Meters are available from Unihedron or any of its dealers worldwide.