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Data logger

data logger
data logger
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Description

The KONGSBERG Data Processing Unit (DPU) is a highly flexible and adaptable subsea data logger. The logger can be interfaced with analog, RS232, RS485 and Ethernet sensors. The DPU is capable of processing the sensor values into key data, min / mean / max, or events for example that can be efficiently transmitted via the cNODE® acoustic link, either to a vessel or via a subsea transponder network. Event based changes in the measurement frequency is one of the more important features of the DPU especially in power limited applications. The KONGSBERG DPU is an integral part of the K-Lander system but is also available as a stand alone product. The DPU can interface to multiple sensors with data stored to the SD or dual SD / SSD drive and communicated via acoustic modem, optical link or Ethernet. An extensive interface library is available for ADCPs, current meters, CTDs, pH sensors, CO₂ sensors, CH₄ sensors, hydrophones, sonars etc. Additional interfaces to integrate other sensor can be developed on request. All data is timestamped and logged by the DPU, however when data must be transmitted real time, it may be telemetered via a cNODE® transponder to the sea surface or relayed across a subsea network of cNODEs (consisting of e.g. several DPUs and cNODES). The DPU includes 128 GB of data storage as standard (116 GB usable) which can be extended to 4 TB with an option for redundant storage of key data. All data is stored in a database that guarantees easy access to all raw and condensed data. Online calculation of derived data (e.g. CH₄ concentration from CH₄ and CTD data) is a standard feature of the DPU.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.