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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Price: 195,00 €
Code: 3.004.027

GSM/GPRS Modem 850/900/1800/1900 MHz.

- Suitable for use in remote measuring stations.

- Suitable for use with an office PC for connection to remote measuring stations.

- Audio/Data/Fax/SMS. Built-in SIM card drawer.

- GPRS Class 10

- SMA male antenna connector.

- RS-232 connection via D15F connector.

- USB connection.

- Expandable.

- Supply 5.5 ~ 32VDC .

- Idle consumption 2.5 mA.

- Operating temperature: -30 ~ +75 C.

- Dimensions 89 x 60 x 30 mm.

- To use in Windows with a COM port, install the 'Standard modem 9600 bps'.

- Compatible with Stylitis Explorer, Opton and AutoConnect,. software.

- To use with a USB port, download the drivers below, which are suitable for windows XP/Vista/7, 32-bit 64-bit.

If you have not installed the Java Runtime Environment (JRE), you will also be asked to. Download it from here. In any case, download the Windows x86 Offline one (32-bit), even if your operating system is a 64-bit one.



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Data public display




Memory Cards