Datalogger shares processing load, boosting system capabilities
October 2001
Data Acquisition & Telemetry
The DT800 is a low-cost, high-speed standalone and battery-powered data acquisition instrument that measures inputs from most frequently used sensors. By combining the features of a data acquisition plug-in card (DAQ card), a network I/O module and data logger into a single system, the DT800 has the capability and flexibility to handle an extensive range of measurement tasks.
This system features the relocation of the DAQ function from inside the computer to outside the computer, allowing for several benefits to be achieved. The greatest beneficiary is signal integrity. Low-level sensor signals can be kept away from the electrically noisy computing environment and sensor cable lengths can be greatly reduced by placing the DT800 closer to the sensors - also saving on wiring costs. As the DT800 controls and implements the data acquisition process, the host computer is freed to allow more time for data processing and presentation allowing the host to be on another task altogether.
The DT800 core features include: easy-to-use hardware and software, 100 kHz sampling speed, 12 to 42 analog channels with alarm settings for all channels, 16 digital channels, remote monitoring and control, battery powered, stores 120,000 data points internally and in removable PC cards, one smart serial sensor channel (RS232, RS485 or SDI-12), 0,02% accuracy, 2MB of data storage memory, PC card socket for flash, SRAM and modem cards, 10Base-T Ethernet, 115 kbaud RS232 and much more.
Communications features have been greatly enhanced with the addition of high-speed capability of Ethernet. Ethernet has now gained the confidence of the measurement and control facility. It provides an effective, low-cost open networking environment that can be both deterministic and fast.
The DT800 is efficient in low-power consumption. If required the DT800 has the ability to run from its internal battery anything between three hours and three months, depending on the sampling frequency. This provides the DT800 with useful UPS capability missing in most DAQ systems. The powder coated steel case is specifically designed to enable the electronics section to be removed from the base plate and the terminal block assembly without disturbing the installation wiring.
dataTaker is a leading manufacturer of data acquisition and data logging systems. The company provides a three-year warranty with all DT800s and is certified to ISO9002 international quality standards.
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