A free service to present real-time and historical data of Symmetron data loggers on the World Wide Web, with plots and statistics for each measuring station.

For more information about Captum service, click here.

For a free demonstration, click the Enter button below and login as a visitor, with user name Symmetron. View the site named Office Temperature



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Symmetron will be closed for summer vacation from August 3 to August 21, 2015. Thank you for your cooperation.

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Symmetron vacation 2014
The Symmetron company will remain closed for vacation from 2 to 24 August 2014.
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New data logger operating software Opton 4!
Replace old Opton and Stylitis Explorer with Opton 4, a more user friendly software, which cooperates with all Stylitis data loggers. Some new features are the global sites and connections management, the connection assistant and the produced site messages. For more information, click here
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Digital bus sensors option in Stylitis-10
Digital bus sensors (MODBUS RTU and SDI-12) option in Stylitis-10. Conversion of the PERIPHERAL port to RS-485.
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Stylitis-10 with internal GPS module
The Stylitis-10 datalogger is also available with an internal modem with a GPS module, to receive location and time information.
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New software: Stylitis Explorer 4
Download the new version of Stylitis Explorer 4, without uninstalling the old version (3.). Versions 3. and 4. can be both installed in your computer.
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1 GB CF card

Price: 36.00 €
Manufacturer: TRANSCEND
Code: 003.002.1024

1 GB Compact Flash Card for for Stylitis dataloggers.

- Industrial grade for harsh environments.
- Operation: –40 ~ +85 ºC.
- Used in upgraded Stylitis-41/101 dataloggers.
- Not suitable for Stylitis dataloggers using PCMCIA flash cards.


o Windows compatibility.
o Cards are readable on low cost drives.
o Compact Flash cards are widely available and cost much less than PCMCIA cards.
o Up to 2Gbyte Compact Flash cards are accepted (FAT16).
o Files are locked (require datalogger password for decompression).
o Card file directory is available during download.
o Any file can be downloaded from the card.
o Card file directory is available during decompression.
o Individual Site name per file.
o Files may contain additional sensor information (serial numbers, etc.) for use with upcoming versions of Stylitis Explorer.
o Existing dataloggers are upgradeable to the new format. Upgrade cost is Euro 95.00

* Stylitis Explorer v3.51 is required to read Compact Flash files.
** For external use Industrial grade card are recommended.




Stylitis-Power: Energy auditing and advanced monitoring data logger


Stylitis-10: Solar, wind, hydro, energy data logger and controller


Stylitis-20: Waterproof water measurements datalogger and controller


Stylitis-41: Wind Measurements data logger


Stylitis-101: Solar and wind data logger, suitable for W/T power curve analysis




Data public display




Memory Cards