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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Full Symmetron products catalog

Click here to download our full line catalog in PDF form.


Sensors for many applications and price budgets. Sensors for many applications and price budgets.

Besides the sensors we manufacture, we can deliver sensors from vendors such as:

- Vector Instruments
- NRG systems
- LiCor
- Apogee
- DeltaOhm
- Thies Clima

Specifically, select from our corresponding product list, the suitable sensors for your application:
- Anemometers and wind vanes
- Temperature and humidity sensors
- Barometric pressure sensors
- Surface temperature sensors
- Solar radiation sensors
- Rain gauges
- Power/energy sensors
- Current transformers
- Mast tilt sensors
Our data loggers cooperate with sensors of most vendors, which we may provide to you. Therefore if you cannot find the sensors you need, ask us for a quote.


Automatically test and calibrate wind vanes Automatically test and calibrate wind vanes


The Symmetron VeriVane system is designed for quick and easy testing and calibration of Wind Vanes.

VeriVane automatically rotates the wind vane in precise steps, measures vane output and records detailed results in an Excel workbook.
The user has only to mount the vane and start the test.

VeriVane includes all hardware, fixtures and software required to produce test reports.
For additional VeriVane information click here.


Anemometer, wind vane and pyranometer output signal converters
The TROPOS series converters by Symmetron, convert a sensor's output signal to voltage 0~2.5V, 0~5V, 0~10V or to current 4~20mA.

Specifically:
- For anemometer frequency (low level AC>80mVp-p or TTL level) converters to voltage or current, click here.
- For wind vane voltage converters to current, click here.
- For pyranometer low voltage amplifiers or for converters to current, click here.

Anemometer calibration certificates Anemometer calibration certificates

Instrument calibration certificates according to ISO 17025 may be issued for most sensors.
For demanding applications, all anemometers may be calibrated to MEASNET standards.
NRG #40C anemometers come with an ISO 17025 calibration certificate.

For additional information please see Services.


Display devices

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Anemometers/ Wind Vanes

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Water Sensors

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Temperature Sensors

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Solar Radiation Sensors

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Current Transformers

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Power/ Energy meters

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Rain Height sensors

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Accessories

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