Das CPEC306 ist ein schlüsselfertiges closed-path Eddy-Covariance (EC) System zum Langezeit-Monitoring der Flüsse von Kohlendioxid, Wasserdampf, Wärme und Impuls. Ein komplettes System besteht aus dem closed-path Gasanalytor (EC155 closed-path gas analyzer), 3D-Ultraschallanemometer (CSAT3A ), Datenlogger (CR6 ) und Pumpe.
Das Design des Einlasses des Gasanalysators und das kleine Probenzellvolumen (5.9 ml) wird eine excellente Frequenzantwort (4.3 Hz Grenzfrequenz) sehr geringem Stromverbrauch des Systems (12 W) möglich. Außerdem reduziert der spezielle Einlass mit Wirbel (United States Patent No. 9,217,692) die Wartung und verbessert die Frequenzantwort gegenüber herkömmlichen Filtern.
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The gas analyzer’s small sample cell volume (5.9 mL) minimizes the sample residence time (50 ms at the system’s nominal flow rate, 7 LPM). This gives excellent frequency response (5.8 Hz half-power bandwidth) with low total system power (12 W).
CO2 and H2O are measured with an EC155 Closed-Path Gas Analyzer. Three-dimensional wind speed and sonic air temperature are measured with a CSAT3A sonic anemometer head.
The 24.9 x 34.0 cm (9.8 x 13.4 in.) enclosure houses the EC100 electronics and the CR6 datalogger attached to the lid of the enclosure. The CPEC300 enclosure can be mounted to a tripod mast, CM106 tripod leg base, tower legs, or a large-diameter pole.
The pump module, a standard component of the CPEC300 system, consists of a small dual-head diaphragm pump with a brushless dc motor mounted inside a fibreglass enclosure. An integral cable connects the pump module to the CPEC300 system enclosure, which provides power, temperature measurement and control, pressure measurement, and pumping speed measurement and control.
|Operating Temperature Range||-30° to +50°C|
|Input Voltage Range||10.5 to 16.0 Vdc|
|Dimensions||34 x 25 x 13 cm (13.4 x 9.8 x 5.1 in.)|
|Weight||4.02 kg (8.85 lb)|
|Inlet Connection||3/8-in. Swagelok|
|Pressure Sensor Range||15 to 115 kPa|
|Pumping Speed||3 to 9 LPM (automatically controlled at the set point, typically 7 LPM)|
|Cable Length||3.0 m (10 ft)|
|Dimensions||35.6 x 29.2 x 13.5 cm (14.0 x 11.5 x 5.3 in.)|
|Weight||5.4 kg (11.8 lb)|
This download is for the CR6 datalogger. Execution of this download places the Operating System file(.obj) on your computer. It also updates the CRBasic Editor compiler and support files.
Why Update? Along with new features and bug fixes, this OS contains a changes related to WebSocket's, GOES, FileManage() and MQTT. With this OS update it is recommended that you also update the Device Configuration Utility to the most recent version so that new datalogger features are available in the utility.
Note: Campbell Scientific always recommends updating operating systems on site if possible. When remote updates are required, it is recommended that you implement the necessary precautions to handle unexpected OS upload complications. All datalogger settings should be retained when updated remotely. If you choose to roll back to a previous operating system, the datalogger settings will be reset to default.
EC100 Operating System.
EC100-Series Support Software.
A software utility used to download operating systems and set up Campbell Scientific hardware. Also will update PakBus Graph and the Network Planner if they have been installed previously by another Campbell Scientific software package.
Supported Operating Systems:
Windows 10, 8.1, 8, and 7 (Both 32 and 64 bit)
CR6 datalogger program for Campbell closed-path eddy-covariance systems.
Note: This version corrects the compile error that the previous version had with the GPS instruction.
The CSAT3H Heater Controller ships with this encrypted program. This program is for the unlikely event that the program needs to be re-installed or updated to a newer version. Please contact Campbell Scientific if you have questions about the program or would like the algorithm modified for a specific application.
Number of FAQs related to CPEC300: 5
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No. A valve module is required to use the Scrub Module. Only the CPEC310 comes with a valve module.
The bottles of sieve for drop-in replacement contain the pellets and a membrane on top. The membrane is necessary to keep the pellets contained while allowing gas to pass over the zeolite. The bottle has the same footprint as the old magnesium perchlorate bottles. The amount in each bottle is listed on the bottle. The amount of sieve needed for each analyzer is the following:
The molecular sieve is a non-hazardous material that can be shipped to any country.
The molecular sieve has been demonstrated here by our engineering department to be effective at removing CO2 and H2O from the air sample. The change was made for two reasons:
The molecular sieve is a direct replacement for the old magnesium perchlorate bottles. The molecular sieve may be used for any Campbell Scientific analyzer that used the old bottles.